{"id":711,"date":"2025-08-28T13:59:52","date_gmt":"2025-08-28T13:59:52","guid":{"rendered":"https:\/\/cnkuangya.com\/?page_id=711"},"modified":"2025-12-22T04:24:32","modified_gmt":"2025-12-22T04:24:32","slug":"pv-combiner-box","status":"publish","type":"page","link":"https:\/\/cnkuangya.com\/ja\/pv-combiner-box\/","title":{"rendered":"PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9"},"content":{"rendered":"\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-6244089 stk-block-background stk--has-background-overlay\" data-block-id=\"6244089\"><style>.stk-6244089 {background-color:#0000009e !important;background-image:url(https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/PV-combiner-box-banner-.webp) !important;background-position:bottom center !important;min-height:var(--stk--preset--block-height--xx-large, 32rem) !important;}.stk-6244089:before{background-color:#0000009e !important;opacity:0.6 !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-6244089-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-ed8bbd6\" data-v=\"4\" data-block-id=\"ed8bbd6\"><style>@media screen and (min-width:690px){.stk-ed8bbd6 {flex:var(--stk-flex-grow, 1) 1 calc(70% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-ed8bbd6-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-ed8bbd6-inner-blocks\">\n<h2 class=\"wp-block-heading has-text-align-left has-x-large-font-size\"><span style=\"color: var(--theme-palette-color-1, #c21d03);\" class=\"stk-highlight\">PV Combiner Box<\/span> <span style=\"color: var(--theme-palette-color-8, #ffffff);\" class=\"stk-highlight\">for Solar Systems<\/span><\/h2>\n\n\n\n<p class=\"has-text-align-left has-medium-font-size wp-block-paragraph\"><span style=\"color: var(--theme-palette-color-8, #ffffff);\" class=\"stk-highlight\">Engineered for ESS, EV Charging, and Commercial Solar \u2014<br>Safe, Reliable, and Efficient DC Power Integration<\/span>.<\/p>\n\n\n\n<p class=\"has-text-align-left has-medium-font-size wp-block-paragraph\">\ud83d\udd12<span style=\"color: var(--theme-palette-color-8, #ffffff);\" class=\"stk-highlight\"> IEC &amp; CE Certified      \u26a1 Up to 1000VDC<br>\ud83c\udfed OEM\/ODM Support  \ud83c\udf0d Global Export Ready<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-a23c163\" data-block-id=\"a23c163\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-a23c163-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-649dd0f\" data-v=\"4\" data-block-id=\"649dd0f\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-649dd0f-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-649dd0f-inner-blocks\">\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-c24c11b\" data-block-id=\"c24c11b\"><style>.stk-c24c11b {max-width:419px !important;min-width:auto !important;}.stk-c24c11b .stk-inner-blocks{column-gap:50px !important;}<\/style><div class=\"stk-row stk-inner-blocks has-text-align-center stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button popmake-757 stk-block stk-1540ea5 popmake-757\" data-block-id=\"1540ea5\"><style>.stk-1540ea5 , .stk-1540ea5 .stk-button{width:100% !important;}.stk-1540ea5 {flex:1 0 var(--stk-button-group-flex-wrap, 0) !important;}.stk-1540ea5 .stk-button{border-top-left-radius:var(--stk--preset--border-radius--full, 9999px) !important;border-top-right-radius:var(--stk--preset--border-radius--full, 9999px) !important;border-bottom-right-radius:var(--stk--preset--border-radius--full, 9999px) !important;border-bottom-left-radius:var(--stk--preset--border-radius--full, 9999px) !important;}.stk-1540ea5 .stk-button:before{border-top-width:0px !important;border-right-width:0px !important;border-bottom-width:0px !important;border-left-width:0px !important;}.stk-1540ea5 .stk-button__inner-text{font-weight:700 !important;}<\/style><a class=\"stk-link stk-button stk--hover-effect-scale-more\" href=\"\"><span class=\"stk-button__inner-text\">Get Quote<\/span><\/a><\/div>\n\n\n\n<div class=\"wp-block-stackable-button stk-block-button stk-block stk-376ec74\" data-block-id=\"376ec74\"><style>.stk-376ec74 {min-height:var(--stk--preset--block-height--none, 0px) !important;flex:1 0 var(--stk-button-group-flex-wrap, 0) !important;}.stk-376ec74 , .stk-376ec74 .stk-button{width:100% !important;}.stk-376ec74 .stk-button{background:#00000000 !important;border-top-left-radius:var(--stk--preset--border-radius--full, 9999px) !important;border-top-right-radius:var(--stk--preset--border-radius--full, 9999px) !important;border-bottom-right-radius:var(--stk--preset--border-radius--full, 9999px) !important;border-bottom-left-radius:var(--stk--preset--border-radius--full, 9999px) !important;}.stk-376ec74 .stk-button:before{border-style:solid !important;border-color:var(--theme-palette-color-1, #c21d03) !important;}.stk-376ec74 .stk-button__inner-text{font-size:var(--stk--preset--font-size--small, 13px) !important;color:var(--theme-palette-color-8, #ffffff) !important;font-weight:700 !important;}@media screen and (max-width:999px){.stk-376ec74 .stk-button__inner-text{font-size:var(--stk--preset--font-size--small, 13px) !important;}}<\/style><a class=\"stk-link stk-button stk--hover-effect-scale-more\" href=\"#s-compare\"><span class=\"has-text-color stk-button__inner-text\">See Models<\/span><\/a><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-6f141da\" data-v=\"4\" data-block-id=\"6f141da\"><style>@media screen and (min-width:690px){.stk-6f141da {flex:var(--stk-flex-grow, 1) 1 calc(30% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-6f141da-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-6f141da-inner-blocks\"><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-0d7196d\" data-block-id=\"0d7196d\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-0d7196d-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-05e800a\" data-v=\"4\" data-block-id=\"05e800a\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-05e800a-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-05e800a-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-8a822d9\" id=\"product-grid\" data-block-id=\"8a822d9\"><h2 class=\"stk-block-heading__text\">Product Grid<\/h2><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div data-wp-context=\"{&quot;notices&quot;:[],&quot;hideNextPreviousButtons&quot;:false,&quot;isDisabledPrevious&quot;:true,&quot;isDisabledNext&quot;:false,&quot;ariaLabelPrevious&quot;:&quot;\\u524d\\u306e\\u5546\\u54c1&quot;,&quot;ariaLabelNext&quot;:&quot;\\u6b21\\u306e\\u5546\\u54c1&quot;,&quot;collection&quot;:&quot;woocommerce\\\/product-collection\\\/hand-picked&quot;}\" data-wp-init=\"callbacks.onRender\" data-wp-interactive=\"woocommerce\/product-collection\" data-wp-router-region=\"wc-product-collection-0\" data-__private-preview-state=\"{&quot;isPreview&quot;:false,&quot;previewMessage&quot;:&quot;Actual products will vary depending on the page being viewed.&quot;}\" data-block-name=\"woocommerce\/product-collection\" data-collection=\"woocommerce\/product-collection\/hand-picked\" data-dimensions=\"{&quot;widthType&quot;:&quot;fill&quot;}\" data-display-layout=\"{&quot;type&quot;:&quot;flex&quot;,&quot;columns&quot;:6,&quot;shrinkColumns&quot;:true}\" data-hide-controls=\"[&quot;inherit&quot;,&quot;hand-picked&quot;,&quot;filterable&quot;,&quot;order&quot;]\" data-query-context-includes=\"[&quot;collection&quot;]\" data-query-id=\"0\" data-query=\"{&quot;perPage&quot;:12,&quot;pages&quot;:0,&quot;offset&quot;:0,&quot;postType&quot;:&quot;product&quot;,&quot;order&quot;:&quot;asc&quot;,&quot;orderBy&quot;:&quot;post__in&quot;,&quot;search&quot;:&quot;&quot;,&quot;exclude&quot;:[],&quot;inherit&quot;:false,&quot;taxQuery&quot;:[],&quot;isProductCollectionBlock&quot;:true,&quot;featured&quot;:false,&quot;woocommerceOnSale&quot;:false,&quot;woocommerceStockStatus&quot;:[&quot;instock&quot;,&quot;outofstock&quot;,&quot;onbackorder&quot;],&quot;woocommerceAttributes&quot;:[],&quot;woocommerceHandPickedProducts&quot;:[&quot;891&quot;,&quot;892&quot;,&quot;911&quot;,&quot;909&quot;,&quot;914&quot;,&quot;916&quot;,&quot;918&quot;,&quot;920&quot;,&quot;924&quot;,&quot;922&quot;,&quot;926&quot;,&quot;928&quot;],&quot;filterable&quot;:false,&quot;relatedBy&quot;:{&quot;categories&quot;:true,&quot;tags&quot;:true}}\" data-tag-name=\"div\" class=\"wp-block-woocommerce-product-collection is-layout-flow wp-block-woocommerce-product-collection-is-layout-flow\">\t\t<div data-wp-interactive=\"woocommerce\/store-notices\" class=\"wc-block-components-notices alignwide\">\n\t\t\t<template data-wp-each--notice=\"state.notices\" data-wp-each-key=\"context.notice.id\">\n\t\t\t\t<div\n\t\t\t\t\tclass=\"wc-block-components-notice-banner\"\n\t\t\t\t\tdata-wp-init=\"callbacks.scrollIntoView\"\n\t\t\t\t\tdata-wp-class--is-error=\"state.isError\"\n\t\t\t\t\tdata-wp-class--is-success=\"state.isSuccess\"\n\t\t\t\t\tdata-wp-class--is-info=\"state.isInfo\"\n\t\t\t\t\tdata-wp-class--is-dismissible=\"context.notice.dismissible\"\n\t\t\t\t\tdata-wp-bind--role=\"state.role\"\n\t\t\t\t\tdata-wp-watch=\"callbacks.injectIcon\"\n\t\t\t\t>\n\t\t\t\t\t<div class=\"wc-block-components-notice-banner__content\">\n\t\t\t\t\t\t<span data-wp-init=\"callbacks.renderNoticeContent\" aria-live=\"assertive\" aria-atomic=\"true\"><\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<button\n\t\t\t\t\t\tdata-wp-bind--hidden=\"!context.notice.dismissible\"\n\t\t\t\t\t\tclass=\"wc-block-components-button wp-element-button wc-block-components-notice-banner__dismiss contained\"\n\t\t\t\t\t\taria-label=\"\u3053\u306e\u901a\u77e5\u3092\u975e\u8868\u793a\"\n\t\t\t\t\t\tdata-wp-on--click=\"actions.removeNotice\"\n\t\t\t\t\t>\n\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 24 24\">\n\t\t\t\t\t\t\t<path d=\"M13 11.8l6.1-6.3-1-1-6.1 6.2-6.1-6.2-1 1 6.1 6.3-6.5 6.7 1 1 6.5-6.6 6.5 6.6 1-1z\" \/>\n\t\t\t\t\t\t<\/svg>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/template>\n\t\t<\/div>\n\t\t<ul data-block-name=\"woocommerce\/product-template\" class=\"wc-block-product-template__responsive columns-6 wc-block-product-template wp-block-woocommerce-product-template is-layout-flow wp-block-woocommerce-product-template-is-layout-flow\" data-wp-on--scroll=\"actions.watchScroll\" data-wp-init=\"callbacks.initResizeObserver\"><li class=\"wc-block-product post-891 product type-product status-publish has-post-thumbnail product_cat-pv-combiner-box first instock shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='woocommerce\/products::{\"productId\":891,\"variationId\":null}'\n\t\t\t\tdata-wp-key=\"product-item-891\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/cnkuangya.com\/ja\/product\/pv-combiner-box-1-in-1-out-1000vdc\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-1-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"pv combiner box 1 in 1 out\" data-testid=\"product-image\" data-image-id=\"957\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-1-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-1-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-1-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-1-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-1-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-1-1.webp 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);line-height:1.4;margin-bottom:0.75rem;margin-top:0\" class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/cnkuangya.com\/ja\/product\/pv-combiner-box-1-in-1-out-1000vdc\/\" target=\"_self\" >HS-1\/1 PV Combiner Box<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-892 product type-product status-publish has-post-thumbnail product_cat-pv-combiner-box  instock shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='woocommerce\/products::{\"productId\":892,\"variationId\":null}'\n\t\t\t\tdata-wp-key=\"product-item-892\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/cnkuangya.com\/ja\/product\/pv-combiner-box-2-in-1-out-1000vdc\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-2-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"pv combiner box 2 in 1 out\" data-testid=\"product-image\" data-image-id=\"958\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-2-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-2-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-2-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-2-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-2-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-2-1.webp 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);line-height:1.4;margin-bottom:0.75rem;margin-top:0\" class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/cnkuangya.com\/ja\/product\/pv-combiner-box-2-in-1-out-1000vdc\/\" target=\"_self\" >HS-2\/1 PV Combiner Box<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-911 product type-product status-publish has-post-thumbnail product_cat-pv-combiner-box  instock shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='woocommerce\/products::{\"productId\":911,\"variationId\":null}'\n\t\t\t\tdata-wp-key=\"product-item-911\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/cnkuangya.com\/ja\/product\/pv-combiner-box-2-in-2-out-1000vdc\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-2-2-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"pv combiner box 2 in 2 out\" data-testid=\"product-image\" data-image-id=\"959\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-2-2-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-2-2-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-2-2-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-2-2-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-2-2-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-2-2.webp 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);line-height:1.4;margin-bottom:0.75rem;margin-top:0\" class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/cnkuangya.com\/ja\/product\/pv-combiner-box-2-in-2-out-1000vdc\/\" target=\"_self\" >HS-2\/2 PV Combiner Box<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-909 product type-product status-publish has-post-thumbnail product_cat-pv-combiner-box last instock shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='woocommerce\/products::{\"productId\":909,\"variationId\":null}'\n\t\t\t\tdata-wp-key=\"product-item-909\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/cnkuangya.com\/ja\/product\/pv-combiner-box-3-in-1-out-1000vdc\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-3-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"pv combiner box 3 in 1 out\" data-testid=\"product-image\" data-image-id=\"960\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-3-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-3-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-3-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-3-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-3-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-3-1.webp 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);line-height:1.4;margin-bottom:0.75rem;margin-top:0\" class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/cnkuangya.com\/ja\/product\/pv-combiner-box-3-in-1-out-1000vdc\/\" target=\"_self\" >HS-3\/1 PV Combiner Box<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-914 product type-product status-publish has-post-thumbnail product_cat-pv-combiner-box first instock shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='woocommerce\/products::{\"productId\":914,\"variationId\":null}'\n\t\t\t\tdata-wp-key=\"product-item-914\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/cnkuangya.com\/ja\/product\/pv-combiner-box-4-in-2-out-1000vdc\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-4-2-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"pv combiner box 4 in 2 out\" data-testid=\"product-image\" data-image-id=\"961\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-4-2-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-4-2-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-4-2-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-4-2-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-4-2-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-4-2.webp 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);line-height:1.4;margin-bottom:0.75rem;margin-top:0\" class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/cnkuangya.com\/ja\/product\/pv-combiner-box-4-in-2-out-1000vdc\/\" target=\"_self\" >HS-4\/2 PV Combiner Box<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-916 product type-product status-publish has-post-thumbnail product_cat-pv-combiner-box  instock shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='woocommerce\/products::{\"productId\":916,\"variationId\":null}'\n\t\t\t\tdata-wp-key=\"product-item-916\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/cnkuangya.com\/ja\/product\/pv-combiner-box-6-in-2-out-1000vdc\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-6-2-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"pv combiner box 6 in 2 out\" data-testid=\"product-image\" data-image-id=\"956\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-6-2-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-6-2-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-6-2-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-6-2-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-6-2-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHS-6-2.webp 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);line-height:1.4;margin-bottom:0.75rem;margin-top:0\" class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/cnkuangya.com\/ja\/product\/pv-combiner-box-6-in-2-out-1000vdc\/\" target=\"_self\" >HS-6\/2 PV Combiner Box<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-918 product type-product status-publish has-post-thumbnail product_cat-pv-combiner-box  instock shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='woocommerce\/products::{\"productId\":918,\"variationId\":null}'\n\t\t\t\tdata-wp-key=\"product-item-918\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/cnkuangya.com\/ja\/product\/1-string-pv-combiner-box-1000vdc\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-1-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"1 string pv combiner box\" data-testid=\"product-image\" data-image-id=\"950\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-1-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-1-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-1-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-1-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-1-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-1-1.webp 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);line-height:1.4;margin-bottom:0.75rem;margin-top:0\" class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/cnkuangya.com\/ja\/product\/1-string-pv-combiner-box-1000vdc\/\" target=\"_self\" >HD-1\/1 PV Combiner Box<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-920 product type-product status-publish has-post-thumbnail product_cat-pv-combiner-box last instock shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='woocommerce\/products::{\"productId\":920,\"variationId\":null}'\n\t\t\t\tdata-wp-key=\"product-item-920\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/cnkuangya.com\/ja\/product\/2-string-pv-combiner-box-1000vdc\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-2-1.png-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"2 string pv combiner box\" data-testid=\"product-image\" data-image-id=\"951\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-2-1.png-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-2-1.png-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-2-1.png-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-2-1.png-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-2-1.png-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-2-1.png.webp 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);line-height:1.4;margin-bottom:0.75rem;margin-top:0\" class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/cnkuangya.com\/ja\/product\/2-string-pv-combiner-box-1000vdc\/\" target=\"_self\" >HD-2\/1 PV Combiner Box<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-924 product type-product status-publish has-post-thumbnail product_cat-pv-combiner-box first instock shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='woocommerce\/products::{\"productId\":924,\"variationId\":null}'\n\t\t\t\tdata-wp-key=\"product-item-924\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/cnkuangya.com\/ja\/product\/dual-string-pv-combiner-box-1000vdc\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-2-2.png-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"dual string pv combiner box\" data-testid=\"product-image\" data-image-id=\"952\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-2-2.png-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-2-2.png-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-2-2.png-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-2-2.png-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-2-2.png-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-2-2.png.webp 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);line-height:1.4;margin-bottom:0.75rem;margin-top:0\" class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/cnkuangya.com\/ja\/product\/dual-string-pv-combiner-box-1000vdc\/\" target=\"_self\" >HD-2\/2 PV Combiner Box<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-922 product type-product status-publish has-post-thumbnail product_cat-pv-combiner-box  instock shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='woocommerce\/products::{\"productId\":922,\"variationId\":null}'\n\t\t\t\tdata-wp-key=\"product-item-922\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/cnkuangya.com\/ja\/product\/3-string-pv-combiner-box-1000vdc\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-3-1.png-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"3 string pv combiner box\" data-testid=\"product-image\" data-image-id=\"953\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-3-1.png-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-3-1.png-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-3-1.png-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-3-1.png-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-3-1.png-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-3-1.png.webp 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);line-height:1.4;margin-bottom:0.75rem;margin-top:0\" class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/cnkuangya.com\/ja\/product\/3-string-pv-combiner-box-1000vdc\/\" target=\"_self\" >HD-3\/1 PV Combiner Box<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-926 product type-product status-publish has-post-thumbnail product_cat-pv-combiner-box  instock shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='woocommerce\/products::{\"productId\":926,\"variationId\":null}'\n\t\t\t\tdata-wp-key=\"product-item-926\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/cnkuangya.com\/ja\/product\/4-string-pv-combiner-box-dual-outputs\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-4-2.png-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"4 string pv combiner box\" data-testid=\"product-image\" data-image-id=\"954\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-4-2.png-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-4-2.png-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-4-2.png-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-4-2.png-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-4-2.png-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-4-2.png.webp 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);line-height:1.4;margin-bottom:0.75rem;margin-top:0\" class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/cnkuangya.com\/ja\/product\/4-string-pv-combiner-box-dual-outputs\/\" target=\"_self\" >HD-4\/2 PV Combiner Box<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-928 product type-product status-publish has-post-thumbnail product_cat-pv-combiner-box last instock shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='woocommerce\/products::{\"productId\":928,\"variationId\":null}'\n\t\t\t\tdata-wp-key=\"product-item-928\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/cnkuangya.com\/ja\/product\/6-string-pv-combiner-box-1000vdc\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-6-2.png-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"6 string pv combiner box\" data-testid=\"product-image\" data-image-id=\"955\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-6-2.png-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-6-2.png-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-6-2.png-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-6-2.png-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-6-2.png-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/DHD-6-2.png.webp 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);line-height:1.4;margin-bottom:0.75rem;margin-top:0\" class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/cnkuangya.com\/ja\/product\/6-string-pv-combiner-box-1000vdc\/\" target=\"_self\" >HD-6\/2 PV Combiner Box<\/a><\/h2>\n\n\t\t\t\t<\/li><\/ul><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-7e01aa4\" data-block-id=\"7e01aa4\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-7e01aa4-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-fd94d27\" data-v=\"4\" data-block-id=\"fd94d27\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-fd94d27-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-fd94d27-inner-blocks\">\n<section id=\"s-topologies\" class=\"wu-sec-topologies\">\n  <style>\n    .wu-sec-topologies{padding:60px 0;background:#fafafa}\n    .wu-sec-topologies h2{font-size:32px;margin-bottom:20px;text-align:center}\n    .wu-topo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;max-width:1200px;margin:0 auto}\n    .wu-topo-card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:20px;box-shadow:0 4px 12px rgba(0,0,0,.04);display:flex;flex-direction:column;justify-content:space-between;transition:all .2s}\n    .wu-topo-card:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(0,0,0,.08)}\n    .wu-topo-card h3{font-size:20px;margin-bottom:10px;color:#b91c1c}\n    .wu-topo-card ul{margin:0 0 10px 18px;padding:0;font-size:14px;line-height:1.5;color:#374151}\n    .wu-topo-card li{margin-bottom:4px}\n    .wu-topo-card a{color:#b91c1c;text-decoration:none}\n    .wu-topo-card a:hover{text-decoration:underline}\n    .wu-sec-topologies .outro{margin-top:30px;text-align:center;font-size:15px;color:#4b5563;max-width:800px;margin-left:auto;margin-right:auto}\n  <\/style>\n\n  <h2>Wiring Topologies<\/h2>\n  <p style=\"text-align:center;max-width:800px;margin:0 auto 30px;color:#4b5563\">\n    PV combiner box topologies vary with inverter count, DC run length, and protection strategy. \n    These cards outline typical layouts so you can match each <strong>solar PV combiner box<\/strong> \n    to the right scenario.\n  <\/p>\n\n  <div class=\"wu-topo-grid\">\n    <!-- Card 1 -->\n    <div class=\"wu-topo-card\">\n      <h3>Single-Bus (1 Output)<\/h3>\n      <ul>\n        <li>Strings: 1\u20136<\/li>\n        <li>Output: Single inverter or MPPT<\/li>\n        <li>Best for: Residential rooftops, small C&#038;I<\/li>\n      <\/ul>\n      <ul>\n        <li>Simpler wiring and easier maintenance.<\/li>\n        <li>Single DC bus reduces component count.<\/li>\n        <li>Use properly sized <a href=\"\/dc-fuse\">DC fuse<\/a>.<\/li>\n      <\/ul>\n    <\/div>\n\n    <!-- Card 2 -->\n    <div class=\"wu-topo-card\">\n      <h3>Dual Outputs (Parallel Inverters)<\/h3>\n      <ul>\n        <li>Strings: 2\u20136<\/li>\n        <li>Output: Two inverters or dual MPPTs<\/li>\n        <li>Best for: Commercial rooftops, hybrids<\/li>\n      <\/ul>\n      <ul>\n        <li>Balances current across two DC paths.<\/li>\n        <li>Provides redundancy if one inverter fails.<\/li>\n        <li>HS <a href=\"\/dc-switch-disconnector\">disconnector<\/a> with dual outputs recommended.<\/li>\n      <\/ul>\n    <\/div>\n\n    <!-- Card 3 -->\n    <div class=\"wu-topo-card\">\n      <h3>Long-Run Strings<\/h3>\n      <ul>\n        <li>Strings: Any<\/li>\n        <li>Output: 1 or 2<\/li>\n        <li>Best for: Ground-mount farms, remote sites<\/li>\n      <\/ul>\n      <ul>\n        <li>Long DC runs increase voltage drop.<\/li>\n        <li>Consider larger conductors for lower losses.<\/li>\n        <li>HD <a href=\"\/dc-mcb\">breaker<\/a> ensures safe load break at distance.<\/li>\n      <\/ul>\n    <\/div>\n\n    <!-- Card 4 -->\n    <div class=\"wu-topo-card\">\n      <h3>Remote SPD Placement<\/h3>\n      <ul>\n        <li>Strings: 2\u20136<\/li>\n        <li>Output: 1 or 2<\/li>\n        <li>Best for: Lightning-prone rooftops<\/li>\n      <\/ul>\n      <ul>\n        <li>Type II <a href=\"\/dc-spd\">SPD<\/a> near the array to clamp surges.<\/li>\n        <li>Optional I+II near inverter for dual protection.<\/li>\n        <li>Short leads and proper grounding are critical.<\/li>\n      <\/ul>\n    <\/div>\n\n    <!-- Card 5 -->\n    <div class=\"wu-topo-card\">\n      <h3>Grounding &amp; Polarity<\/h3>\n      <ul>\n        <li>Strings: Any<\/li>\n        <li>Output: Any<\/li>\n        <li>Best for: All installations<\/li>\n      <\/ul>\n      <ul>\n        <li>Bold <strong>+\/\u2212 polarity<\/strong> labels avoid mistakes.<\/li>\n        <li>Common PE bar for equipotential bonding.<\/li>\n        <li>7Weatherproof enclosures protect terminals.<\/li>\n      <\/ul>\n    <\/div>\n  <\/div>\n\n  <p class=\"outro\">\n    Understanding these <strong>combiner box PV system<\/strong> layouts helps ensure safe, efficient \n    DC distribution with the right topology for your solar project.\n  <\/p>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-89cf261\" data-block-id=\"89cf261\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-89cf261-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-0a28732\" data-v=\"4\" data-block-id=\"0a28732\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-0a28732-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-0a28732-inner-blocks\">\n<section id=\"s-apps\" class=\"wu-sec-apps\">\n  <style>\n    .wu-sec-apps{padding:60px 0;background:#ffffff}\n    .wu-sec-apps h2{font-size:32px;line-height:1.25;margin:0 0 16px;text-align:center}\n    .wu-sec-apps .lead{max-width:860px;margin:0 auto 28px;text-align:center;color:#4b5563}\n   .wu-app-grid {\n  display: grid;\n  grid-template-columns: repeat(2, 1fr); \/* \u56fa\u5b9a\u4e24\u5217 *\/\n  gap: 28px; \/* \u53ef\u4ee5\u7a0d\u5fae\u52a0\u5927\u95f4\u8ddd *\/\n  max-width: 1100px; \/* \u63a7\u5236\u6574\u4f53\u5bbd\u5ea6\uff0c\u907f\u514d\u592a\u5bbd *\/\n  margin: 0 auto;\n  padding: 0 12px;\n}\n@media (max-width:690px) {\n  .wu-app-grid {\n    grid-template-columns: 1fr; \/* \u624b\u673a\u7aef\u6539\u56de\u4e00\u5217 *\/\n  }\n}\n    .wu-app-card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,.04);transition:transform .18s ease, box-shadow .18s ease}\n    .wu-app-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.08)}\n    .wu-app-media{aspect-ratio:16\/10;background:#f3f4f6;display:block}\n    .wu-app-media img{width:100%;height:100%;object-fit:cover;display:block}\n    .wu-app-body{padding:16px 16px 18px}\n    .wu-app-body h3{font-size:18px;margin:0 0 6px;color:#111827}\n    .wu-app-body p.desc{margin:0 0 10px;color:#374151}\n    .wu-app-body ul{margin:0 0 6px 18px;color:#374151;font-size:14px;line-height:1.55;padding:0}\n    .wu-app-body li{margin:0 0 4px}\n    .wu-sec-apps a{color:#b91c1c;text-decoration:none}\n    .wu-sec-apps a:hover{text-decoration:underline}\n    .wu-sec-apps .cta{margin-top:26px;text-align:center;color:#4b5563}\n    .wu-sec-apps .cta a{display:inline-block;border:1px solid #b91c1c;color:#b91c1c;padding:10px 16px;border-radius:999px;margin-left:8px}\n  <\/style>\n\n  <h2>Applications &amp; Use Cases<\/h2>\n  <p class=\"lead\">\n    A rich gallery of real-world scenarios to help you match each <strong>solar PV combiner box<\/strong>\n    to site conditions\u2014string count, outputs, and surge protection\u2014so your <strong>combiner box PV system<\/strong> stays safe and efficient.\n  <\/p>\n\n  <div class=\"wu-app-grid\">\n\n    <!-- 4.1 Residential Rooftop -->\n    <article class=\"wu-app-card\" id=\"app-residential\">\n      <figure class=\"wu-app-media\">\n        <img loading=\"lazy\" decoding=\"async\"\n             src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/Residential-Rooftop.webp\"\n             alt=\"Residential rooftop solar array with single-inverter PV combiner box use case\">\n      <\/figure>\n      <div class=\"wu-app-body\">\n        <h3>Residential Rooftop<\/h3>\n        <p class=\"desc\">Compact arrays with short DC runs and a single inverter.<\/p>\n        <ul>\n          <li>1\u20132 strings \u00b7 1 output \u00b7 <a href=\"\/dc-spd\">Type II SPD<\/a><\/li>\n          <li>Use <a href=\"\/dc-fuse\">gPV fuses<\/a> sized to module Isc \u00d7 factor<\/li>\n          <li>Clear +\/\u2212 labels and service-friendly layout<\/li>\n        <\/ul>\n      <\/div>\n    <\/article>\n\n    <!-- 4.2 Commercial & Industrial Rooftop -->\n    <article class=\"wu-app-card\" id=\"app-ci-rooftop\">\n      <figure class=\"wu-app-media\">\n        <img loading=\"lazy\" decoding=\"async\"\n             src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/Commercial-Industrial-Rooftop-.webp\"\n             alt=\"Commercial &#038; industrial rooftop solar with dual-MPPT PV combiner configuration\">\n      <\/figure>\n      <div class=\"wu-app-body\">\n        <h3>Commercial &amp; Industrial Rooftop<\/h3>\n        <p class=\"desc\">Multiple strings split across dual MPPT channels or parallel inverters.<\/p>\n        <ul>\n          <li>2\u20134 strings \u00b7 1\u20132 outputs \u00b7 <a href=\"\/dc-spd\">Type II SPD<\/a><\/li>\n          <li><a href=\"\/dc-switch-disconnector\">HS disconnector<\/a> for simple isolation; <a href=\"\/dc-mcb\">HD breaker<\/a> if frequent load break is needed<\/li>\n          <li>Short SPD leads and solid PE bonding<\/li>\n        <\/ul>\n      <\/div>\n    <\/article>\n\n    <!-- 4.3 Ground-Mount Arrays -->\n    <article class=\"wu-app-card\" id=\"app-ground-mount\">\n      <figure class=\"wu-app-media\">\n        <img loading=\"lazy\" decoding=\"async\"\n             src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/Ground-Mount-Arrays.webp\"\n             alt=\"Ground-mount solar field with long DC runs toward centralized inverter area\">\n      <\/figure>\n      <div class=\"wu-app-body\">\n        <h3>Ground-Mount Arrays<\/h3>\n        <p class=\"desc\">Long DC runs to centralized inverters at utility-scale fields.<\/p>\n        <ul>\n          <li>4\u20136 strings \u00b7 1\u20132 outputs \u00b7 <a href=\"\/dc-spd\">I+II SPD<\/a> (regional)<\/li>\n          <li>Manage voltage drop with larger conductors<\/li>\n          <li><a href=\"\/dc-mcb\">HD breaker<\/a> enables safe isolation at distance<\/li>\n        <\/ul>\n      <\/div>\n    <\/article>\n\n    <!-- 4.4 Carports \/ EV Canopies -->\n    <article class=\"wu-app-card\" id=\"app-ev-canopy\">\n      <figure class=\"wu-app-media\">\n        <img loading=\"lazy\" decoding=\"async\"\n             src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/Carports-EV-Canopies.webp\"\n             alt=\"EV charging canopy with solar panels feeding parallel inverters\">\n      <\/figure>\n      <div class=\"wu-app-body\">\n        <h3>Carports \/ EV Canopies<\/h3>\n        <p class=\"desc\">Canopy-mounted modules feeding EV infrastructure with parallel inverters.<\/p>\n        <ul>\n          <li>2\u20134 strings \u00b7 2 outputs \u00b7 <a href=\"\/dc-spd\">I+II SPD<\/a><\/li>\n          <li>Dual outputs for parallel MPPTs or inverters<\/li>\n          <li>Label routing for overhead maintenance safety<\/li>\n        <\/ul>\n      <\/div>\n    <\/article>\n\n    <!-- 4.5 ESS DC Bus Coupling -->\n    <article class=\"wu-app-card\" id=\"app-ess\">\n      <figure class=\"wu-app-media\">\n        <img loading=\"lazy\" decoding=\"async\"\n             src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/ESS-DC-Bus-Coupling.webp\"\n             alt=\"Energy storage containers coupled with PV strings via combiner box\">\n      <\/figure>\n      <div class=\"wu-app-body\">\n        <h3>ESS DC Bus Coupling<\/h3>\n        <p class=\"desc\">Hybrid sites coupling PV strings to energy storage systems.<\/p>\n        <ul>\n          <li>2\u20133 strings \u00b7 1 output \u00b7 <a href=\"\/dc-spd\">I+II SPD<\/a><\/li>\n          <li><a href=\"\/dc-switch-disconnector\">HS disconnector<\/a> simplifies service windows<\/li>\n          <li>Coordinate fuse ratings with charge current<\/li>\n        <\/ul>\n      <\/div>\n    <\/article>\n\n    <!-- 4.6 Microgrid \/ Off-Grid -->\n    <article class=\"wu-app-card\" id=\"app-microgrid\">\n      <figure class=\"wu-app-media\">\n        <img loading=\"lazy\" decoding=\"async\"\n             src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/MicrogridOff-Grid.png\"\n             alt=\"Remote microgrid site with stand-alone solar array and service hut\">\n      <\/figure>\n      <div class=\"wu-app-body\">\n        <h3>Microgrid \/ Off-Grid<\/h3>\n        <p class=\"desc\">Isolated sites with variable loads and planned service intervals.<\/p>\n        <ul>\n          <li>1\u20133 strings \u00b7 1 output \u00b7 <a href=\"\/dc-spd\">I+II SPD<\/a> (risk-based)<\/li>\n          <li><a href=\"\/dc-mcb\">HD breaker<\/a> supports frequent switching\/diagnostics<\/li>\n          <li>Keep spares: fuses, labels, glands<\/li>\n        <\/ul>\n      <\/div>\n    <\/article>\n\n  <\/div>\n\n  <p class=\"cta\">\n    Not sure which <strong>pv combiner boxes<\/strong> fit your scenario?\n    <a href=\"#s-selector\">Compare HS\/HD<\/a> or\n    <a href=\"\/contact-us\">talk to an engineer<\/a>.\n  <\/p>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-048dfe4\" data-block-id=\"048dfe4\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-048dfe4-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-e24a924\" data-v=\"4\" data-block-id=\"e24a924\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-e24a924-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-e24a924-inner-blocks\">\n<section id=\"s-materials\" class=\"wu-sec-materials\">\n  <style>\n    .wu-sec-materials{padding:60px 0;background:#fafafa}\n    .wu-sec-materials h2{font-size:32px;line-height:1.25;margin:0 0 14px;text-align:center}\n    .wu-sec-materials .lead{max-width:860px;margin:0 auto 28px;text-align:center;color:#4b5563}\n    .wu-mat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:1100px;margin:0 auto;padding:0 12px}\n    @media (max-width:690px){.wu-mat-grid{grid-template-columns:1fr}}\n    .wu-mat-card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;overflow:hidden;\n      box-shadow:0 4px 12px rgba(0,0,0,.04);transition:transform .18s ease, box-shadow .18s ease}\n    .wu-mat-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.08)}\n    .wu-mat-media{display:none;aspect-ratio:3\/2;background:#f3f4f6}\n    .wu-mat-media img{width:100%;height:100%;object-fit:cover;display:block}\n    .wu-mat-body{padding:16px 16px 18px}\n    .wu-mat-body h3{font-size:18px;margin:0 0 8px;color:#111827}\n    .wu-mat-body p{margin:0 0 10px;color:#374151}\n    .wu-mat-body ul{margin:0 0 6px 18px;color:#374151;font-size:14px;line-height:1.55;padding:0}\n    .wu-mat-body li{margin:0 0 4px}\n    .wu-sec-materials a{color:#b91c1c;text-decoration:none}\n    .wu-sec-materials a:hover{text-decoration:underline}\n    \/* \u5982\u679c\u9700\u8981\u81ea\u7136\u52a0\u5165\u56fe\u7247\uff1a\u7ed9 .wu-mat-card \u6dfb\u52a0 has-media \u7c7b\uff0c\u56fe\u7247\u533a\u4f1a\u81ea\u52a8\u663e\u793a *\/\n    .wu-mat-card.has-media .wu-mat-media{display:block}\n  <\/style>\n\n  <h2>Build &amp; Materials<\/h2>\n  <p class=\"lead\">\n    Rugged construction matters in outdoor DC distribution. Thoughtful materials, ingress protection\n    and service-friendly details make each <strong>PV combiner box<\/strong> safer to install and easier to maintain.\n  <\/p>\n\n  <div class=\"wu-mat-grid\">\n    <!-- 5.1 UV-Resistant Enclosure -->\n    <article class=\"wu-mat-card\">\n      <!-- \u5982\u9700\u81ea\u7136\u52a0\u5165\u56fe\u7247\uff1a\u7ed9\u7236\u5143\u7d20\u52a0 has-media\uff0c\u5e76\u586b\u5165 src \u4e0e alt -->\n      <!-- <figure class=\"wu-mat-media\"><img loading=\"lazy\" decoding=\"async\" src=\"\/media\/mat-uv-enclosure.webp\" alt=\"UV-resistant PV combiner enclosure detail\"><\/figure> -->\n      <div class=\"wu-mat-body\">\n        <h3>UV-Resistant Enclosure<\/h3>\n        <p>PC\/ABS blend with outdoor durability and weather seal integrity.<\/p>\n        <ul>\n          <li>UV-stabilized shell for long exposure<\/li>\n          <li>Gasket compression &#038; tight door tolerance<\/li>\n          <li>Stainless hardware to prevent corrosion<\/li>\n        <\/ul>\n        <p>See enclosure details<\/p>\n      <\/div>\n    <\/article>\n\n    <!-- 5.2 Cable Glands & Terminations -->\n    <article class=\"wu-mat-card\">\n      <!-- <figure class=\"wu-mat-media\"><img decoding=\"async\" loading=\"lazy\" src=\"\/media\/mat-gland-termination.webp\" alt=\"IP-rated cable glands and terminal torque labels\"><\/figure> -->\n      <div class=\"wu-mat-body\">\n        <h3>Cable Glands &amp; Terminations<\/h3>\n        <p>IP-rated glands sized to cable OD with strain relief and clear routing.<\/p>\n        <ul>\n          <li>Marked torque references at terminals<\/li>\n          <li>Minimized bend radius &#038; tidy cable paths<\/li>\n          <li>Ingress protection maintained after service<\/li>\n        <\/ul>\n           <\/div>\n    <\/article>\n\n    <!-- 5.3 Busbar & Wiring Layout -->\n    <article class=\"wu-mat-card\">\n      <!-- <figure class=\"wu-mat-media\"><img decoding=\"async\" loading=\"lazy\" src=\"\/media\/mat-busbar-layout.webp\" alt=\"Copper busbar layout with segregated polarity\"><\/figure> -->\n      <div class=\"wu-mat-body\">\n        <h3>Busbar &amp; Wiring Layout<\/h3>\n        <p>Low-resistance copper busbars with safe spacing and test access.<\/p>\n        <ul>\n          <li>Segregated paths for + \/ \u2212 and PE<\/li>\n          <li>Labeled test points for commissioning<\/li>\n          <li>Fuse coordination per <a href=\"\/dc-fuse\">gPV sizing<\/a><\/li>\n        <\/ul>\n      <\/div>\n    <\/article>\n\n    <!-- 5.4 Labeling & Safety Marks -->\n    <article class=\"wu-mat-card\">\n      <!-- <figure class=\"wu-mat-media\"><img decoding=\"async\" loading=\"lazy\" src=\"\/media\/mat-label-safety.webp\" alt=\"Bold polarity and PE labeling with service tags\"><\/figure> -->\n      <div class=\"wu-mat-body\">\n        <h3>Labeling &amp; Safety Marks<\/h3>\n        <p>Bold **+\/\u2212** and PE symbols for quick verification in the field.<\/p>\n        <ul>\n          <li>UV\/chemical-resistant labels &#038; service tags<\/li>\n          <li>QR quick docs for installers<\/li>\n          <li>LOTO-friendly handle area (where applicable)<\/li>\n        <\/ul>\n        <p><a href=\"\/dc-switch-disconnector\">HS disconnector<\/a> \u00b7 <a href=\"\/dc-mcb\">HD breaker<\/a><\/p>\n      <\/div>\n    <\/article>\n\n    <!-- 5.5 Serviceability & Spares -->\n    <article class=\"wu-mat-card\">\n      <!-- <figure class=\"wu-mat-media\"><img decoding=\"async\" loading=\"lazy\" src=\"\/media\/mat-service-access.webp\" alt=\"Front access to fuses or breaker for maintenance\"><\/figure> -->\n      <div class=\"wu-mat-body\">\n        <h3>Serviceability &amp; Spares<\/h3>\n        <p>Front access and a small spares kit keep downtime low.<\/p>\n        <ul>\n          <li>Clearance for fuse drawer \/ breaker handle<\/li>\n          <li>Spares list: fuses, glands, labels<\/li>\n          <li>Inspection intervals aligned with site load &#038; environment<\/li>\n        <\/ul>\n        <p><a href=\"\/dc-spd\">SPD placement<\/a> \u00b7 <a href=\"\/dc-fuse\">Fuse selection<\/a><\/p>\n      <\/div>\n    <\/article>\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-fa9b889\" data-block-id=\"fa9b889\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-fa9b889-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-ecb27a9\" data-v=\"4\" data-block-id=\"ecb27a9\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-ecb27a9-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-ecb27a9-inner-blocks\">\n<section id=\"s-checklist\" class=\"wu-sec-checklist\">\n  <style>\n    \/* ===== SEC6: Full-width Engineering Checklist ===== *\/\n    .wu-sec-checklist{\n      position:relative;\n      padding:68px 0 56px;\n      \/* 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rgba(255,255,255,.12);\n      border-radius:16px;\n      box-shadow:0 8px 22px rgba(0,0,0,.18);\n      padding:16px 14px 14px;\n      transition:transform .18s ease, box-shadow .18s ease;\n      display:flex;flex-direction:column;gap:8px;\n    }\n    .wu-cl-card:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(0,0,0,.22)}\n    .wu-cl-card h3{font-size:16px;margin:0 0 6px;color:#b91c1c}\n    .wu-cl-card ul{margin:0 0 4px 18px;padding:0;font-size:14px;line-height:1.55;color:#374151}\n    .wu-cl-card li{margin:0 4px 4px 0}\n\n    \/* CTA \u6309\u94ae\uff08Popup Maker\uff09 *\/\n    .wu-sec-checklist .cta{margin-top:26px;text-align:center}\n    .wu-sec-checklist .btn-enquiry{\n      display:inline-block;background:#fff;color:#b91c1c;\n      font-weight:600;padding:12px 22px;border-radius:999px;text-decoration:none;\n      border:1px solid #fff;transition:all .2s ease;\n    }\n    .wu-sec-checklist .btn-enquiry:hover{background:#f3f4f6;color:#7f1d1d}\n    .wu-sec-checklist a{color:#b91c1c;text-decoration:none}\n    .wu-sec-checklist a:hover{text-decoration:underline}\n  <\/style>\n\n  <div class=\"wrap\">\n    <h2>Engineering Checklist<\/h2>\n    <p class=\"lead\">\n      Before commissioning a <strong>solar PV combiner box<\/strong>, verify these essentials.\n      A concise checklist reduces installation errors and improves the reliability of your\n      <strong>combiner box PV system<\/strong>.\n    <\/p>\n\n    <div class=\"wu-cl-grid\">\n      <!-- 6.1 DC Voltage & Strings -->\n      <article class=\"wu-cl-card\">\n        <h3>DC Voltage &amp; Strings<\/h3>\n        <ul>\n          <li>Array Voc @ Tmin fits 500\/600\/1000&nbsp;V rating<\/li>\n          <li>String count matches input terminals<\/li>\n          <li>Apply safety factor when calculating Isc<\/li>\n        <\/ul>\n      <\/article>\n\n      <!-- 6.2 Cable Sizing & Runs -->\n      <article class=\"wu-cl-card\">\n        <h3>Cable Sizing &amp; Runs<\/h3>\n        <ul>\n          <li>Measure length to inverter; target &lt; 2% drop<\/li>\n          <li>Select conductor cross-section accordingly<\/li>\n          <li>Glands match cable outer diameter<\/li>\n        <\/ul>\n      <\/article>\n\n      <!-- 6.3 Protection Coordination -->\n      <article class=\"wu-cl-card\">\n        <h3>Protection Coordination<\/h3>\n        <ul>\n          <li>gPV fuse vs Isc \u00d7 factor (<a href=\"\/dc-fuse\">see sizing<\/a>)<\/li>\n          <li>SPD <a href=\"\/dc-spd\">Type II or I+II<\/a> per site risk<\/li>\n          <li>HS disconnector or HD breaker per load profile<\/li>\n        <\/ul>\n      <\/article>\n\n      <!-- 6.4 Grounding & Polarity -->\n      <article class=\"wu-cl-card\">\n        <h3>Grounding &amp; Polarity<\/h3>\n        <ul>\n          <li>Bold +\/\u2212 labels, PE bonding to enclosure<\/li>\n          <li>Continuity check across grounding system<\/li>\n          <li>Torque terminals per spec sheet<\/li>\n        <\/ul>\n      <\/article>\n\n      <!-- 6.5 O&M Planning -->\n      <article class=\"wu-cl-card\">\n        <h3>O&amp;M Planning<\/h3>\n        <ul>\n          <li>Define inspection interval (annual\/biannual)<\/li>\n          <li>Stock spares: fuses, glands, labels<\/li>\n          <li>Train staff on lock-out \/ tag-out<\/li>\n        <\/ul>\n      <\/article>\n    <\/div>\n\n    <!-- CTA\uff1a\u4f7f\u7528\u73b0\u6709\u7684 Popup Maker class \u89e6\u53d1\u8be2\u76d8 -->\n    <div class=\"cta\">\n      <a href=\"#\" class=\"btn-enquiry popmake-757\">Talk to an Engineer<\/a>\n    <\/div>\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-06abbbb\" data-block-id=\"06abbbb\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-06abbbb-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-8a9c07f\" data-v=\"4\" data-block-id=\"8a9c07f\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-8a9c07f-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-8a9c07f-inner-blocks\">\n<section id=\"s-compare\" class=\"wu-sec-compare\">\n  <style>\n    .wu-sec-compare{padding:60px 0;background:#fff}\n    .wu-sec-compare h2{font-size:32px;line-height:1.25;margin:0 0 12px;text-align:center}\n    .wu-sec-compare .lead{max-width:900px;margin:0 auto 22px;text-align:center;color:#4b5563}\n    .wu-cp-wrap{max-width:1200px;margin:0 auto;padding:0 12px}\n    .wu-cp-filters{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 14px}\n    @media (max-width:820px){.wu-cp-filters{grid-template-columns:1fr}}\n    .wu-cp-select{width:100%;padding:10px 12px;border:1px solid #e5e7eb;border-radius:12px;background:#fff}\n\n    \/* \u8868\u683c\u6837\u5f0f *\/\n    .wu-table{width:100%;border-collapse:separate;border-spacing:0 8px}\n    .wu-table thead th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#6b7280;text-align:left;padding:8px 10px}\n    .wu-row{background:#fafafa;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden}\n    .wu-row td{padding:12px 10px;vertical-align:middle;font-size:14px;color:#111827}\n    .wu-row td.model{font-weight:600}\n    .wu-badge{display:inline-block;font-size:12px;padding:4px 8px;border-radius:999px;border:1px solid #e5e7eb;background:#fff;color:#374151}\n    .wu-link{color:#b91c1c;text-decoration:none}\n    .wu-link:hover{text-decoration:underline}\n    \/* \u79fb\u52a8\u7aef\u6805\u683c\u5316\u663e\u793a *\/\n    @media (max-width:740px){\n      .wu-table, .wu-table thead, .wu-table tbody, .wu-table tr, .wu-table td, .wu-table th{display:block}\n      .wu-table thead{display:none}\n      .wu-row{margin-bottom:10px}\n      .wu-row td{padding:8px 12px;border-top:1px dashed #eee}\n      .wu-row td:first-child{border-top:none}\n      .wu-row td::before{content:attr(data-label);display:block;font-size:12px;color:#6b7280;margin-bottom:2px}\n    }\n  <\/style>\n\n  <h2>Model Comparison<\/h2>\n  <p class=\"lead\">Compare all HS (Disconnector) and HD (Breaker) <strong>pv combiner boxes<\/strong> at a glance, then jump to <strong>Specs &amp; Wiring<\/strong> for details.<\/p>\n\n  <div class=\"wu-cp-wrap\">\n    <!-- Filters -->\n    <div class=\"wu-cp-filters\">\n      <select id=\"cp-series\" class=\"wu-cp-select\" aria-label=\"Series\">\n        <option value=\"\">Series: All<\/option>\n        <option value=\"HS\">HS \u2014 Disconnector<\/option>\n        <option value=\"HD\">HD \u2014 Breaker<\/option>\n      <\/select>\n      <select id=\"cp-strings\" class=\"wu-cp-select\" aria-label=\"Strings\">\n        <option value=\"\">Strings: All<\/option>\n        <option>1<\/option><option>2<\/option><option>3<\/option><option>4<\/option><option>6<\/option>\n      <\/select>\n      <select id=\"cp-outputs\" class=\"wu-cp-select\" aria-label=\"Outputs\">\n        <option value=\"\">Outputs: All<\/option>\n        <option>1<\/option><option>2<\/option>\n      <\/select>\n    <\/div>\n\n    <!-- Table -->\n    <table class=\"wu-table\" aria-describedby=\"compare-desc\">\n      <thead>\n        <tr>\n          <th>Model<\/th>\n          <th>Series<\/th>\n          <th>IN<\/th>\n          <th>OUT<\/th>\n          <th>Voltage<\/th>\n          <th>Switch<\/th>\n          <th>Use case<\/th>\n          <th>Specs<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody id=\"cp-body\"><\/tbody>\n    <\/table>\n    <p id=\"compare-desc\" class=\"sr-only\" style=\"position:absolute;left:-9999px\">Comparison of PV combiner box models with strings, outputs, voltage and switch type.<\/p>\n  <\/div>\n\n  <script>\n    (function(){\n      \/\/ \u5355\u4e00\u6570\u636e\u6e90\uff1a\u540e\u7eed\u82e5\u6539\u5185\u5bb9\uff0c\u53ea\u7ef4\u62a4\u8fd9\u91cc\u5373\u53ef\uff08\u907f\u514d\u4e0e SEC2 \u91cd\u590d\u7ef4\u62a4\uff09\n      const DATA = [\n        \/\/ HS (Disconnector)\n        {series:'HS', model:'HS-1\/1', in:1, out:1, voltage:'600\/1000 VDC', switch:'Disconnector', use:'Compact rooftops, single MPPT', url:'\/product\/pv-combiner-box-1-in-1-out-1000vdc\/#specs'},\n        {series:'HS', model:'HS-2\/1', in:2, out:1, voltage:'600\/1000 VDC', switch:'Disconnector', use:'Two strings to one inverter', url:'\/product\/pv-combiner-box-2-in-1-out-1000vdc\/#specs'},\n        {series:'HS', model:'HS-3\/1', in:3, out:1, voltage:'600\/1000 VDC', switch:'Disconnector', use:'Hybrid-ready, simple isolation', url:'\/product\/pv-combiner-box-3-in-1-out\/#specs'},\n        {series:'HS', model:'HS-2\/2', in:2, out:2, voltage:'600\/1000 VDC', switch:'Disconnector', use:'Dual outputs for parallel MPPTs', url:'\/product\/pv-combiner-box-2-in-2-out\/#specs'},\n        {series:'HS', model:'HS-4\/2', in:4, out:2, voltage:'600\/1000 VDC', switch:'Disconnector', use:'C&I rooftops, split channels', url:'\/product\/pv-combiner-box-4-in-2-out\/#specs'},\n        {series:'HS', model:'HS-6\/2', in:6, out:2, voltage:'600\/1000 VDC', switch:'Disconnector', use:'Ground-mount arrays, parallel inverters', url:'\/product\/pv-combiner-box-6-in-2-out\/#specs'},\n\n        \/\/ HD (Breaker)\n        {series:'HD', model:'HD-1\/1', in:1, out:1, voltage:'500\/1000 VDC', switch:'Breaker', use:'Breaker config for diagnostics', url:'\/product\/1-string-pv-combiner-box\/#specs'},\n        {series:'HD', model:'HD-2\/1', in:2, out:1, voltage:'500\/1000 VDC', switch:'Breaker', use:'Two strings, single output', url:'\/product\/2-string-pv-combiner-box\/#specs'},\n        {series:'HD', model:'HD-3\/1', in:3, out:1, voltage:'500\/1000 VDC', switch:'Breaker', use:'C&I arrays with load break', url:'\/product\/3-string-pv-combiner-box\/#specs'},\n        {series:'HD', model:'HD-2\/2', in:2, out:2, voltage:'500\/1000 VDC', switch:'Breaker', use:'Parallel inverters, dual outputs', url:'\/product\/dual-string-pv-combiner-box\/#specs'},\n        {series:'HD', model:'HD-4\/2', in:4, out:2, voltage:'500\/1000 VDC', switch:'Breaker', use:'Four strings with split outputs', url:'\/product\/4-string-pv-combiner-box-dual-outputs\/#specs'},\n        {series:'HD', model:'HD-6\/2', in:6, out:2, voltage:'500\/1000 VDC', switch:'Breaker', use:'Large ground-mount, frequent switching', url:'\/product\/6-string-pv-combiner-box\/#specs'}\n      ];\n\n      const $body = document.getElementById('cp-body');\n      const $series = document.getElementById('cp-series');\n      const $strings = document.getElementById('cp-strings');\n      const $outputs = document.getElementById('cp-outputs');\n\n      function render(){\n        const s = $series.value;\n        const n = $strings.value ? parseInt($strings.value,10) : null;\n        const o = $outputs.value ? parseInt($outputs.value,10) : null;\n\n        const rows = DATA.filter(d=>{\n          if(s && d.series!==s) return false;\n          if(n && d.in!==n) return false;\n          if(o && d.out!==o) return false;\n          return true;\n        }).map(d=>`\n          <tr class=\"wu-row\">\n            <td class=\"model\" data-label=\"Model\">${d.model}<\/td>\n            <td data-label=\"Series\"><span class=\"wu-badge\">${d.series}<\/span><\/td>\n            <td data-label=\"IN\">${d.in}<\/td>\n            <td data-label=\"OUT\">${d.out}<\/td>\n            <td data-label=\"Voltage\">${d.voltage}<\/td>\n            <td data-label=\"Switch\">${d.switch}<\/td>\n            <td data-label=\"Use case\">${d.use}<\/td>\n            <td data-label=\"Specs\"><a class=\"wu-link\" href=\"${d.url}\">View \u2192<\/a><\/td>\n          <\/tr>\n        `).join('');\n\n        $body.innerHTML = rows || `<tr class=\"wu-row\"><td data-label=\"Notice\" colspan=\"8\">No match \u2014 adjust filters or open <a class=\"wu-link\" href=\"#s-selector\">Quick Selector<\/a>.<\/td><\/tr>`;\n      }\n\n      [$series,$strings,$outputs].forEach(el=>el.addEventListener('change', render));\n      render();\n    })();\n  <\/script>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-b7ee222\" data-block-id=\"b7ee222\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-b7ee222-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-fbeb761\" data-v=\"4\" data-block-id=\"fbeb761\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-fbeb761-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-fbeb761-inner-blocks\">\n<section id=\"s-faq\" class=\"wu-sec-faq\">\n  <style>\n    .wu-sec-faq{padding:60px 0;background:#fafafa}\n    .wu-sec-faq h2{font-size:32px;line-height:1.25;margin:0 0 14px;text-align:center}\n    .wu-sec-faq .lead{max-width:860px;margin:0 auto 28px;text-align:center;color:#4b5563}\n    .wu-faq{max-width:1000px;margin:0 auto;padding:0 12px}\n    .wu-faq-item{background:#fff;border:1px solid #e5e7eb;border-radius:14px;margin-bottom:10px;overflow:hidden}\n    .wu-faq-q{display:flex;justify-content:space-between;align-items:center;gap:10px;width:100%;\n      padding:14px 16px;background:#fff;border:none;cursor:pointer;font-size:16px;color:#111827}\n    .wu-faq-q:hover{background:#f9fafb}\n    .wu-faq-a{display:none;padding:0 16px 16px;color:#374151;font-size:15px;line-height:1.6}\n    .wu-faq-a p{margin:10px 0}\n    .wu-faq-a a{color:#b91c1c;text-decoration:none}\n    .wu-faq-a a:hover{text-decoration:underline}\n    .wu-faq-q .icon{flex:0 0 auto;transition:transform .2s ease}\n    .wu-faq-item.open .wu-faq-a{display:block}\n    .wu-faq-item.open .wu-faq-q .icon{transform:rotate(45deg)}\n  <\/style>\n\n  <h2>FAQ<\/h2>\n  <p class=\"lead\">\n    Common engineering and installation questions about our <strong>PV combiner boxes<\/strong>.\n    Practical guidance for <strong>combiner box PV system<\/strong> design, sizing and service.\n  <\/p>\n\n  <div class=\"wu-faq\" id=\"faq-list\">\n    <!-- Q1 -->\n    <div class=\"wu-faq-item\">\n      <button class=\"wu-faq-q\" aria-expanded=\"false\">\n        <span>1) What does a PV combiner box actually combine?<\/span>\n        <span class=\"icon\">\uff0b<\/span>\n      <\/button>\n      <div class=\"wu-faq-a\">\n        <p>It merges multiple DC strings into one or two protected outputs. Inside you usually have gPV <a href=\"\/dc-fuse\">fuses<\/a>, <a href=\"\/dc-spd\">SPDs<\/a>, and a switch device (HS disconnector or HD breaker) to isolate and protect downstream equipment.<\/p>\n      <\/div>\n    <\/div>\n\n    <!-- Q2 -->\n    <div class=\"wu-faq-item\">\n      <button class=\"wu-faq-q\" aria-expanded=\"false\">\n        <span>2) HS vs HD \u2014 when should I choose a disconnector or a breaker?<\/span>\n        <span class=\"icon\">\uff0b<\/span>\n      <\/button>\n      <div class=\"wu-faq-a\">\n        <p>Choose <strong>HS (disconnector)<\/strong> when you need simple, safe isolation with low switching frequency. Choose <strong>HD (breaker)<\/strong> when you require frequent switching, integrated overcurrent protection, or more advanced diagnostics. See also the <a href=\"#s-checklist\">Engineering Checklist<\/a>.<\/p>\n      <\/div>\n    <\/div>\n\n    <!-- Q3 -->\n    <div class=\"wu-faq-item\">\n      <button class=\"wu-faq-q\" aria-expanded=\"false\">\n        <span>3) How do I size the fuse rating for each string?<\/span>\n        <span class=\"icon\">\uff0b<\/span>\n      <\/button>\n      <div class=\"wu-faq-a\">\n        <p>Use the module Isc multiplied by a safety factor (per IEC guidance) and select a gPV <a href=\"\/dc-fuse\">fuse<\/a> with the correct DC voltage rating. Fuse sizing must coordinate with cable cross-section and ambient temperature.<\/p>\n      <\/div>\n    <\/div>\n\n    <!-- Q4 -->\n    <div class=\"wu-faq-item\">\n      <button class=\"wu-faq-q\" aria-expanded=\"false\">\n        <span>4) Which SPD type should I install?<\/span>\n        <span class=\"icon\">\uff0b<\/span>\n      <\/button>\n      <div class=\"wu-faq-a\">\n        <p>Most rooftops use Type II <a href=\"\/dc-spd\">SPDs<\/a>. If your site has high lightning exposure or ground-mount arrays, consider a Type I+II SPD. Always install with short leads and solid PE bonding to keep surge protection effective.<\/p>\n      <\/div>\n    <\/div>\n\n    <!-- Q5 -->\n    <div class=\"wu-faq-item\">\n      <button class=\"wu-faq-q\" aria-expanded=\"false\">\n        <span>5) Can I mix strings with different module orientations?<\/span>\n        <span class=\"icon\">\uff0b<\/span>\n      <\/button>\n      <div class=\"wu-faq-a\">\n        <p>It&#8217;s not recommended. Mixed orientations create mismatch and hot spots. Always keep strings of similar orientation and tilt angle in the same combiner. Consult inverter manufacturer guidelines before combining non-identical arrays.<\/p>\n      <\/div>\n    <\/div>\n\n    <!-- Q6 -->\n    <div class=\"wu-faq-item\">\n      <button class=\"wu-faq-q\" aria-expanded=\"false\">\n        <span>6) How often should PV combiner boxes be serviced?<\/span>\n        <span class=\"icon\">\uff0b<\/span>\n      <\/button>\n      <div class=\"wu-faq-a\">\n        <p>Visual inspection: every 6 months. Torque check: annually. Replace fuses after trips. Inspect breakers and <a href=\"\/dc-switch-disconnector\">disconnectors<\/a> for mechanical wear. Service intervals may vary with environment (dust, humidity, temperature cycles).<\/p>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <script>\n    \/\/ FAQ toggle\n    document.querySelectorAll('.wu-faq-q').forEach(btn=>{\n      btn.addEventListener('click', ()=>{\n        const item = btn.closest('.wu-faq-item');\n        item.classList.toggle('open');\n        const expanded = item.classList.contains('open');\n        btn.setAttribute('aria-expanded', expanded);\n      });\n    });\n  <\/script>\n<\/section>\n<\n<\/script>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-721b461\" data-block-id=\"721b461\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-721b461-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-95839ed\" data-v=\"4\" data-block-id=\"95839ed\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-95839ed-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-95839ed-inner-blocks\">\n<section id=\"s-closing\" class=\"wu-sec-closing\">\n  <style>\n    .wu-sec-closing{\n      padding:60px 0;\n      background:#f9fafb; \/* \u6d45\u7070\u80cc\u666f *\/\n      border-top:1px solid #e5e7eb; \/* \u4e0e\u4e0a\u4e00\u533a\u5206\u7684\u5206\u5272\u7ebf *\/\n    }\n    .wu-sec-closing h2{\n      font-size:32px;line-height:1.25;margin:0 0 12px;text-align:center\n    }\n    .wu-sec-closing .lead{\n      max-width:860px;margin:0 auto 28px;text-align:center;color:#4b5563\n    }\n    .wu-clo-grid{\n      display:grid;\n      grid-template-columns:repeat(3,1fr);\n      gap:20px;\n      max-width:1200px;\n      margin:0 auto;\n      padding:0 12px\n    }\n    @media (max-width:1000px){.wu-clo-grid{grid-template-columns:repeat(2,1fr)}}\n    @media (max-width: 680px){.wu-clo-grid{grid-template-columns:1fr}}\n\n    .wu-clo-card{\n      background:#fff;\n      border:1px solid #e5e7eb;\n      border-radius:16px;\n      overflow:hidden;\n      box-shadow:0 4px 12px rgba(0,0,0,.04);\n      padding:16px;\n      transition:transform .18s ease, box-shadow .18s ease\n    }\n    .wu-clo-card:hover{\n      transform:translateY(-3px);\n      box-shadow:0 10px 24px rgba(0,0,0,.08)\n    }\n    .wu-clo-card h3{font-size:18px;margin:0 0 6px;color:#111827}\n    .wu-clo-card p{margin:0;color:#374151;font-size:15px;line-height:1.6}\n    .wu-sec-closing a{color:#b91c1c;text-decoration:none}\n    .wu-sec-closing a:hover{text-decoration:underline}\n    .wu-sec-closing .cta{margin-top:26px;text-align:center}\n    .wu-sec-closing .btn-enquiry{\n      display:inline-block;\n      background:#b91c1c;\n      color:#fff;\n      font-weight:600;\n      padding:12px 22px;\n      border-radius:999px;\n      text-decoration:none;\n      border:1px solid #b91c1c;\n      transition:all .2s ease\n    }\n    .wu-sec-closing .btn-enquiry:hover{background:#7f1d1d;border-color:#7f1d1d}\n  <\/style>\n\n  <h2>Why Choose Us<\/h2>\n  <p class=\"lead\">\n    A final word on why our <strong>PV combiner boxes<\/strong> stand out: safe design, verified standards, and dependable service from engineering to delivery.\n  <\/p>\n\n  <div class=\"wu-clo-grid\">\n    <!-- 1. Standards First -->\n    <article class=\"wu-clo-card\">\n      <h3>Standards First<\/h3>\n      <p>\n        Designed and referenced against key standards:\n        <a href=\"https:\/\/webstore.iec.ch\/publication\/6008\" target=\"_blank\" rel=\"noopener\">IEC 60947-3<\/a>\n        (switch disconnectors) and\n        <a href=\"https:\/\/webstore.iec.ch\/publication\/33649\" target=\"_blank\" rel=\"noopener\">IEC 61643-31<\/a>\n        (DC surge protective devices).\n      <\/p>\n    <\/article>\n\n    <!-- 2. Engineering Support -->\n    <article class=\"wu-clo-card\">\n      <h3>Engineering Support<\/h3>\n      <p>\n        Sizing guidance, wiring diagrams, and quick docs for installers.\n        <a href=\"#s-compare\">Compare models<\/a> or <a href=\"\/contact-us\">talk to an engineer<\/a>.\n      <\/p>\n    <\/article>\n\n    <!-- 3. Factory Direct -->\n    <article class=\"wu-clo-card\">\n      <h3>Factory Direct<\/h3>\n      <p>\n        Controlled supply chain and traceable components with short lead times. Packaging and labeling\n        tailored for global shipping and on-site identification.\n      <\/p>\n    <\/article>\n\n    <!-- 4. Customization -->\n    <article class=\"wu-clo-card\">\n      <h3>Customization<\/h3>\n      <p>\n        OEM\/ODM options for enclosure size, labeling, and connection interfaces\u2014match your\n        <strong>combiner box PV system<\/strong> to project requirements without over-engineering.\n      <\/p>\n    <\/article>\n\n    <!-- 5. Global Service -->\n    <article class=\"wu-clo-card\">\n      <h3>Global Service<\/h3>\n      <p>\n        Proven across residential, C&amp;I rooftops, ground-mount arrays, ESS coupling and EV canopies.\n        Spare kits and maintenance references keep downtime low.\n      <\/p>\n    <\/article>\n  <\/div>\n\n  <div class=\"cta\">\n    <a href=\"#\" class=\"btn-enquiry popmake-757\">Talk to an Engineer<\/a>\n  <\/div>\n<\/section>\n<!-- ===== Schema Injection at Page End ===== -->\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"TechArticle\",\n  \"headline\": \"PV Combiner Box \u2014 Models, Applications & Engineering Guide\",\n  \"description\": \"Comprehensive guide to solar PV combiner boxes: models, wiring topologies, applications, materials, checklists, and FAQs. Covers HS disconnector and HD breaker series with specs, use cases, and IEC standards.\",\n  \"mainEntityOfPage\": {\n    \"@type\": \"WebPage\",\n    \"@id\": \"https:\/\/cnkuangya.com\/pv-combiner-box\/\"\n  },\n  \"author\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Kuangya Electrical\"\n  },\n  \"publisher\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Kuangya Electrical\",\n    \"logo\": {\n      \"@type\": \"ImageObject\",\n      \"url\": \"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/08\/logo.png\"\n    }\n  },\n  \"inLanguage\": \"en\"\n}\n<\/script>\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"ItemList\",\n  \"name\": \"PV Combiner Box Models\",\n  \"itemListElement\": [\n    {\"@type\":\"ListItem\",\"position\":1,\"url\":\"https:\/\/cnkuangya.com\/product\/pv-combiner-box-1-in-1-out-1000vdc\/\",\"name\":\"HS-1\/1 \u2014 PV Combiner Box 1 in 1 out\"},\n    {\"@type\":\"ListItem\",\"position\":2,\"url\":\"https:\/\/cnkuangya.com\/product\/pv-combiner-box-2-in-1-out-1000vdc\/\",\"name\":\"HS-2\/1 \u2014 PV Combiner Box 2 in 1 out\"},\n    {\"@type\":\"ListItem\",\"position\":3,\"url\":\"https:\/\/cnkuangya.com\/product\/pv-combiner-box-3-in-1-out\/\",\"name\":\"HS-3\/1 \u2014 PV Combiner Box 3 in 1 out\"},\n    {\"@type\":\"ListItem\",\"position\":4,\"url\":\"https:\/\/cnkuangya.com\/product\/pv-combiner-box-2-in-2-out\/\",\"name\":\"HS-2\/2 \u2014 PV Combiner Box 2 in 2 out\"},\n    {\"@type\":\"ListItem\",\"position\":5,\"url\":\"https:\/\/cnkuangya.com\/product\/pv-combiner-box-4-in-2-out\/\",\"name\":\"HS-4\/2 \u2014 PV Combiner Box 4 in 2 out\"},\n    {\"@type\":\"ListItem\",\"position\":6,\"url\":\"https:\/\/cnkuangya.com\/product\/pv-combiner-box-6-in-2-out\/\",\"name\":\"HS-6\/2 \u2014 PV Combiner Box 6 in 2 out\"},\n    {\"@type\":\"ListItem\",\"position\":7,\"url\":\"https:\/\/cnkuangya.com\/product\/1-string-pv-combiner-box\/\",\"name\":\"HD-1\/1 \u2014 1 String PV Combiner Box\"},\n    {\"@type\":\"ListItem\",\"position\":8,\"url\":\"https:\/\/cnkuangya.com\/product\/2-string-pv-combiner-box\/\",\"name\":\"HD-2\/1 \u2014 2 String PV Combiner Box\"},\n    {\"@type\":\"ListItem\",\"position\":9,\"url\":\"https:\/\/cnkuangya.com\/product\/3-string-pv-combiner-box\/\",\"name\":\"HD-3\/1 \u2014 3 String PV Combiner Box\"},\n    {\"@type\":\"ListItem\",\"position\":10,\"url\":\"https:\/\/cnkuangya.com\/product\/dual-string-pv-combiner-box\/\",\"name\":\"HD-2\/2 \u2014 Dual String PV Combiner Box\"},\n    {\"@type\":\"ListItem\",\"position\":11,\"url\":\"https:\/\/cnkuangya.com\/product\/4-string-pv-combiner-box-dual-outputs\/\",\"name\":\"HD-4\/2 \u2014 4 String PV Combiner Box\"},\n    {\"@type\":\"ListItem\",\"position\":12,\"url\":\"https:\/\/cnkuangya.com\/product\/6-string-pv-combiner-box\/\",\"name\":\"HD-6\/2 \u2014 6 String PV Combiner Box\"}\n  ]\n}\n<\/script>\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does a PV combiner box actually combine?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"It merges multiple DC strings into one or two protected outputs. Inside you usually have gPV fuses, SPDs, and a switch device (HS disconnector or HD breaker) to isolate and protect downstream equipment.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"HS vs HD \u2014 when should I choose a disconnector or a breaker?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Choose HS (disconnector) when you need simple, safe isolation with low switching frequency. Choose HD (breaker) when you require frequent switching, integrated overcurrent protection, or more advanced diagnostics.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I size the fuse rating for each string?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Use the module Isc multiplied by a safety factor (per IEC guidance) and select a gPV fuse with the correct DC voltage rating. 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Intervals may vary with environment such as dust, humidity, and temperature cycles.\"\n      }\n    }\n  ]\n}\n<\/script>\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>PV Combiner Box for Solar Systems Engineered for ESS, EV Charging, and Commercial Solar \u2014Safe, Reliable, and Efficient DC Power Integration. \ud83d\udd12 IEC &amp; CE Certified \u26a1 Up to 1000VDC\ud83c\udfed OEM\/ODM Support \ud83c\udf0d Global Export Ready Get Quote See Models Product Grid Wiring Topologies PV combiner box topologies vary with inverter count, DC run length, and protection strategy. These cards outline typical layouts so you can match each solar PV combiner box to the right scenario. Single-Bus (1 Output) Strings: 1\u20136 Output: Single inverter or MPPT Best for: Residential rooftops, small C&#038;I Simpler wiring and easier maintenance. Single DC bus reduces component count. Use properly sized DC fuse. Dual Outputs [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-711","page","type-page","status-publish","hentry"],"blocksy_meta":{"has_hero_section":"disabled","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/pages\/711","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/comments?post=711"}],"version-history":[{"count":15,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/pages\/711\/revisions"}],"predecessor-version":[{"id":2300,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/pages\/711\/revisions\/2300"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/media?parent=711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}