{"id":1604,"date":"2025-09-17T08:51:45","date_gmt":"2025-09-17T08:51:45","guid":{"rendered":"https:\/\/cnkuangya.com\/?page_id=1604"},"modified":"2025-10-06T14:21:04","modified_gmt":"2025-10-06T14:21:04","slug":"rccb","status":"publish","type":"page","link":"https:\/\/cnkuangya.com\/ar\/rccb\/","title":{"rendered":"RCCB"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center\">KUANGYA Residual Current Circuit Breaker (RCCB)<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-palette-color-1-color has-alpha-channel-opacity has-palette-color-1-background-color has-background\"\/>\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;\\u0627\\u0644\\u0645\\u0646\\u062a\\u062c\\u0627\\u062a 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data-query-context-includes=\"[&quot;collection&quot;]\" data-query-id=\"0\" data-query=\"{&quot;perPage&quot;:20,&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;1575&quot;,&quot;1562&quot;,&quot;1563&quot;,&quot;1564&quot;,&quot;1566&quot;,&quot;1568&quot;,&quot;1569&quot;,&quot;1570&quot;,&quot;1571&quot;,&quot;1572&quot;,&quot;1573&quot;,&quot;1574&quot;,&quot;1565&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=\"\u0625\u062e\u0641\u0627\u0621 \u0647\u0630\u0647 \u0627\u0644\u0645\u0644\u0627\u062d\u0638\u0629\"\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-1575 product type-product status-publish has-post-thumbnail product_cat-rccb 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='{\"productId\":1575}'\n\t\t\t\tdata-wp-key=\"product-item-1575\"\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\/ar\/product\/rccb-63a-30ma-vml01\/\" 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\/VML01-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"rccb 63a 30ma\" data-testid=\"product-image\" data-image-id=\"1818\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VML01-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VML01-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VML01-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VML01-1-12x12.webp 12w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VML01-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VML01-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VML01-1.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) * 0.313), 18px);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\/ar\/product\/rccb-63a-30ma-vml01\/\" target=\"_self\" >RCCB 63A 30mA VML01 \u2014 Residual Current Circuit Breaker<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-1562 product type-product status-publish has-post-thumbnail product_cat-rccb  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='{\"productId\":1562}'\n\t\t\t\tdata-wp-key=\"product-item-1562\"\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\/ar\/product\/type-a-rccb-vfl001\/\" 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\/VFL001-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"type a rccb\" data-testid=\"product-image\" data-image-id=\"1795\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL001-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL001-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL001-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL001-1-12x12.webp 12w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL001-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL001-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL001-1.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) * 0.313), 18px);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\/ar\/product\/type-a-rccb-vfl001\/\" target=\"_self\" >RCCB VFL001 \u2014 Residual Current Circuit Breaker<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-1563 product type-product status-publish has-post-thumbnail product_cat-rccb  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='{\"productId\":1563}'\n\t\t\t\tdata-wp-key=\"product-item-1563\"\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\/ar\/product\/rccb-2-pole-vfl002\/\" 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\/VFL002-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"rccb 2 pole\" data-testid=\"product-image\" data-image-id=\"1797\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL002-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL002-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL002-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL002-1-12x12.webp 12w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL002-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL002-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL002-1.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) * 0.313), 18px);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\/ar\/product\/rccb-2-pole-vfl002\/\" target=\"_self\" >RCCB VFL002 \u2014 2\/4 Pole Residual Current Circuit Breaker<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-1564 product type-product status-publish has-post-thumbnail product_cat-rccb 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='{\"productId\":1564}'\n\t\t\t\tdata-wp-key=\"product-item-1564\"\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\/ar\/product\/rccb-type-b-vfl002b\/\" 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\/VFL002B-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"rccb type b\" data-testid=\"product-image\" data-image-id=\"1799\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL002B-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL002B-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL002B-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL002B-1-12x12.webp 12w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL002B-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL002B-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL002B-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) * 0.313), 18px);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\/ar\/product\/rccb-type-b-vfl002b\/\" target=\"_self\" >RCCB VFL002B \u2014 Residual Current Circuit Breaker (Type B\/B+)<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-1566 product type-product status-publish has-post-thumbnail product_cat-rccb 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='{\"productId\":1566}'\n\t\t\t\tdata-wp-key=\"product-item-1566\"\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\/ar\/product\/breaker-rccb-vfl007\/\" 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\/VFL007-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"breaker rccb\" data-testid=\"product-image\" data-image-id=\"1803\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL007-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL007-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL007-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL007-1-12x12.webp 12w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL007-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL007-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL007-1.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) * 0.313), 18px);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\/ar\/product\/breaker-rccb-vfl007\/\" target=\"_self\" >RCCB VFL007 \u2014 Residual Current Circuit Breaker<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-1568 product type-product status-publish has-post-thumbnail product_cat-rccb  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='{\"productId\":1568}'\n\t\t\t\tdata-wp-key=\"product-item-1568\"\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\/ar\/product\/circuit-breaker-rccb-type-vfl008\/\" 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\/VFL008-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"circuit breaker rccb type\" data-testid=\"product-image\" data-image-id=\"1805\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL008-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL008-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL008-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL008-1-12x12.webp 12w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL008-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL008-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL008-1.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) * 0.313), 18px);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\/ar\/product\/circuit-breaker-rccb-type-vfl008\/\" target=\"_self\" >RCCB VFL008 \u2014 Residual Current Circuit Breaker<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-1569 product type-product status-publish has-post-thumbnail product_cat-rccb  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='{\"productId\":1569}'\n\t\t\t\tdata-wp-key=\"product-item-1569\"\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\/ar\/product\/rccb-single-phase-vkl001\/\" 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\/VKL001-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"rccb single phase\" data-testid=\"product-image\" data-image-id=\"1807\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL001-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL001-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL001-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL001-1-12x12.webp 12w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL001-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL001-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL001-1.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) * 0.313), 18px);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\/ar\/product\/rccb-single-phase-vkl001\/\" target=\"_self\" >RCCB VKL001 \u2014 Residual Current Circuit Breaker<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-1570 product type-product status-publish has-post-thumbnail product_cat-rccb 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='{\"productId\":1570}'\n\t\t\t\tdata-wp-key=\"product-item-1570\"\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\/ar\/product\/4-pole-rccb-vkl005\/\" 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\/VKL005-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"4 pole rccb\" data-testid=\"product-image\" data-image-id=\"1809\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL005-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL005-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL005-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL005-1-12x12.webp 12w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL005-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL005-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL005-1.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) * 0.313), 18px);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\/ar\/product\/4-pole-rccb-vkl005\/\" target=\"_self\" >RCCB VKL005 \u2014 Residual Current Circuit Breaker<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-1571 product type-product status-publish has-post-thumbnail product_cat-rccb 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='{\"productId\":1571}'\n\t\t\t\tdata-wp-key=\"product-item-1571\"\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\/ar\/product\/30ma-4-pole-rccb-vkl008\/\" 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\/VKL008-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"30ma 4 pole rccb\" data-testid=\"product-image\" data-image-id=\"1811\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL008-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL008-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL008-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL008-1-12x12.webp 12w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL008-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL008-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL008-1.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) * 0.313), 18px);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\/ar\/product\/30ma-4-pole-rccb-vkl008\/\" target=\"_self\" >RCCB VKL008 \u2014 Residual Current Circuit Breaker<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-1572 product type-product status-publish has-post-thumbnail product_cat-rccb  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='{\"productId\":1572}'\n\t\t\t\tdata-wp-key=\"product-item-1572\"\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\/ar\/product\/4p-rccb-vkl11-a-ac-asi\/\" 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\/VKL11-2-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"4p rccb\" data-testid=\"product-image\" data-image-id=\"1814\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL11-2-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL11-2-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL11-2-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL11-2-12x12.webp 12w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL11-2-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL11-2-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL11-2.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) * 0.313), 18px);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\/ar\/product\/4p-rccb-vkl11-a-ac-asi\/\" target=\"_self\" >RCCB VKL11 (A\/AC\/ASi) \u2014 Residual Current Circuit Breaker<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-1573 product type-product status-publish product_cat-rccb  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='{\"productId\":1573}'\n\t\t\t\tdata-wp-key=\"product-item-1573\"\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\/ar\/product\/b-type-rccb-vkl11-b-b\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/woocommerce-placeholder-300x300.webp\" class=\"woocommerce-placeholder wp-post-image\" alt=\"\u0639\u0646\u0635\u0631 \u0646\u0627\u0626\u0628 Placeholder\" style=\"object-fit:cover;\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/woocommerce-placeholder-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/woocommerce-placeholder-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/woocommerce-placeholder-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/woocommerce-placeholder-1024x1024.webp 1024w, https:\/\/cnkuangya.com\/wp-content\/uploads\/woocommerce-placeholder-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/woocommerce-placeholder-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/woocommerce-placeholder.webp 1200w\" 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) * 0.313), 18px);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\/ar\/product\/b-type-rccb-vkl11-b-b\/\" target=\"_self\" >RCCB VKL11 (B\/B+) \u2014 Residual Current Circuit Breaker<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-1574 product type-product status-publish has-post-thumbnail product_cat-rccb 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='{\"productId\":1574}'\n\t\t\t\tdata-wp-key=\"product-item-1574\"\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\/ar\/product\/type-f-rccb-vkl11f\/\" 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\/VKL11F-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"type f rccb\" data-testid=\"product-image\" data-image-id=\"1815\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL11F-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL11F-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL11F-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL11F-1-12x12.webp 12w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL11F-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL11F-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VKL11F-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) * 0.313), 18px);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\/ar\/product\/type-f-rccb-vkl11f\/\" target=\"_self\" >RCCB VKL11F \u2014 Residual Current Circuit Breaker<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-1565 product type-product status-publish has-post-thumbnail product_cat-rccb 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='{\"productId\":1565}'\n\t\t\t\tdata-wp-key=\"product-item-1565\"\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\/ar\/product\/circuit-breaker-rccb-type-vfl005\/\" 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\/VFL005-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"rccb type b\" data-testid=\"product-image\" data-image-id=\"1801\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL005-1-300x300.webp 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL005-1-150x150.webp 150w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL005-1-768x768.webp 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL005-1-12x12.webp 12w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL005-1-600x600.webp 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL005-1-100x100.webp 100w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/VFL005-1.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) * 0.313), 18px);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\/ar\/product\/circuit-breaker-rccb-type-vfl005\/\" target=\"_self\" >VFL005 Circuit Breaker RCCB Type \u2013 2P &#038; 4P Residual Current Protection<\/a><\/h2>\n\n\t\t\t\t<\/li><\/ul><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-bb9b5c5\" data-block-id=\"bb9b5c5\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-bb9b5c5-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-0a25fb2\" data-v=\"4\" data-block-id=\"0a25fb2\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-0a25fb2-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-0a25fb2-inner-blocks\">\n<!-- ================= RCCB Landing \u2014 SEC3 to SEC7 (Kuangya) ================= -->\n<section id=\"rccb-sections\" class=\"ky-wrap\" aria-label=\"RCCB Sections\">\n  <style>\n    :root{\n      --brand:#B5220E; --ink:#111827; --muted:#4B5563; --line:#E5E7EB;\n      --bg:#F9FAFB; --white:#fff; --success:#0E7A0D; --warn:#B45309;\n    }\n    .ky-wrap{font-family:Arial,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,sans-serif;color:var(--ink);background:var(--bg)}\n    .ky-container{max-width:1200px;margin:0 auto;padding:0 16px}\n    .ky-sec{padding:40px 0}\n    .ky-title-center{font-size:28px;line-height:1.25;text-align:center;margin:0 0 8px}\n    .ky-lead{color:var(--muted);text-align:center;max-width:920px;margin:0 auto 22px}\n    \/* Table *\/\n    .ky-table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}\n    .ky-table thead th{background:#fff;font-weight:700}\n    .ky-table th,.ky-table td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}\n    .ky-table tbody tr:hover{background:#FAFAFA}\n    \/* Lists *\/\n    .ky-list{list-style:disc;margin:10px 0 0 20px}\n    .two-col{columns:2;column-gap:28px}\n    @media (max-width:900px){.two-col{columns:1}}\n    \/* Grid cards *\/\n    .ky-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}\n    @media (max-width:980px){.ky-grid-3{grid-template-columns:repeat(2,1fr)}}\n    @media (max-width:620px){.ky-grid-3{grid-template-columns:1fr}}\n    .ky-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;font-weight:600}\n    .ky-card p{margin:6px 0 0;color:var(--muted);font-weight:400}\n    \/* Callouts *\/\n    .callout{display:flex;gap:10px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px}\n    .callout .tag{font-weight:700;color:#fff;background:var(--brand);border-radius:8px;padding:4px 8px}\n    .callout.warn .tag{background:var(--warn)}\n    .callout.good .tag{background:var(--success)}\n    \/* Inline links *\/\n    a.inline{color:var(--brand);font-weight:600;text-decoration:none}\n    a.inline:hover{text-decoration:underline}\n  <\/style>\n\n  <!-- ===== SEC3 \u2014 Quick Comparison Table ===== -->\n  <section id=\"sec-compare\" class=\"ky-sec\">\n    <div class=\"ky-container\">\n      <h2 class=\"ky-title-center\">Quick Comparison of RCCB Types<\/h2>\n      <p class=\"ky-lead\">\n        Our <strong>AC RCCB<\/strong> range covers Type AC, Type A, Type F, and Type B\/B+ plus selective Type S.\n        Use this table to select the correct waveform sensitivity and trip characteristic.\n      <\/p>\n\n      <table class=\"ky-table\" aria-label=\"RCCB type comparison\">\n        <thead>\n          <tr>\n            <th>Type<\/th>\n            <th>Waveform Coverage<\/th>\n            <th>Typical Applications<\/th>\n            <th>Sensitivity (I\u0394n)<\/th>\n            <th>Poles<\/th>\n            <th>Notes<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td><strong>AC<\/strong><\/td>\n            <td>Pure sinusoidal AC residual current<\/td>\n            <td>Standard residential\/commercial loads<\/td>\n            <td>30 \/ 100 \/ 300 mA<\/td>\n            <td>2P \/ 4P<\/td>\n            <td>Do not use where pulsating DC may occur.<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>A<\/strong><\/td>\n            <td>AC + pulsating DC<\/td>\n            <td>Appliances with power electronics, SMPS<\/td>\n            <td>10 \/ 30 \/ 100 \/ 300 mA<\/td>\n            <td>2P \/ 4P<\/td>\n            <td>Recommended default for mixed modern loads.<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>F<\/strong><\/td>\n            <td>AC + pulsating DC + high-frequency components<\/td>\n            <td>Drives, UPS, frequency converters<\/td>\n            <td>30 \/ 100 mA<\/td>\n            <td>2P \/ 4P<\/td>\n            <td>Improved immunity to nuisance tripping.<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>B \/ B+<\/strong><\/td>\n            <td>All currents including smooth DC<\/td>\n            <td>EV charging, PV inverters, industrial VFDs<\/td>\n            <td>30 \/ 100 \/ 300 mA<\/td>\n            <td>2P \/ 4P<\/td>\n            <td>Mandatory if smooth DC leakage is possible.<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>S (Selective)<\/strong><\/td>\n            <td>Time-delayed trip (~150\u2013500 ms)<\/td>\n            <td>Upstream protection for discrimination<\/td>\n            <td>100 \/ 300 mA<\/td>\n            <td>2P \/ 4P<\/td>\n            <td>Use upstream of 30 mA devices to avoid blackouts.<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n\n      <div class=\"callout good\" style=\"margin-top:14px\">\n        <span class=\"tag\">Tip<\/span>\n        <div>\n          For terminal circuits needing both overload and leakage protection, consider an\n          <a class=\"inline\" href=\"\/RCBO\">RCBO<\/a>. For upstream overcurrent only, coordinate\n          <a class=\"inline\" href=\"\/MCB\">MCB<\/a> with RCCB.\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- ===== SEC4 \u2014 Key Features & Benefits ===== -->\n  <section id=\"sec-features\" class=\"ky-sec\" aria-label=\"RCCB Features\">\n    <div class=\"ky-container\">\n      <h2 class=\"ky-title-center\">Key Features &#038; Benefits<\/h2>\n      <ul class=\"ky-list two-col\">\n        <li>Residual current protection options: I\u0394n 10 \/ 30 \/ 100 \/ 300 mA<\/li>\n        <li><strong>RCCB single phase<\/strong> (2P) and three-phase (4P) versions<\/li>\n        <li>High conditional short-circuit current (Inc\/I\u0394c) up to 10 kA<\/li>\n        <li>Clear ON\/OFF and status indicator window; front TEST button<\/li>\n        <li>Selective type (S) for upstream discrimination<\/li>\n        <li>Wide ambient temperature range for panel builders<\/li>\n        <li>DIN rail 35 mm mounting (EN 60715), modular widths<\/li>\n        <li>Terminals suitable for pin\/fork busbars and copper conductors<\/li>\n        <li>High electrical and mechanical endurance<\/li>\n        <li>Compliance with IEC\/EN 61008-1<\/li>\n        <li>Popular configurations include <strong>RCCB 63A 30mA<\/strong> for residential boards<\/li>\n        <li>Coordination guidelines with <a class=\"inline\" href=\"\/MCB\">MCB<\/a>, <a class=\"inline\" href=\"\/RCBO\">RCBO<\/a>, and <a class=\"inline\" href=\"\/AFDD\">AFDD<\/a><\/li>\n      <\/ul>\n    <\/div>\n  <\/section>\n\n  <!-- ===== SEC5 \u2014 Applications & Use Cases ===== -->\n  <section id=\"sec-apps\" class=\"ky-sec\" aria-label=\"RCCB Applications\">\n    <div class=\"ky-container\">\n      <h2 class=\"ky-title-center\">Applications &#038; Use Cases<\/h2>\n      <div class=\"ky-grid-3\">\n        <div class=\"ky-card\">Residential &#038; commercial distribution boards<p>Use 30 mA Type A for personnel protection.<\/p><\/div>\n        <div class=\"ky-card\">Industrial panels<p>Selective Type S upstream; 30 mA downstream on final circuits.<\/p><\/div>\n        <div class=\"ky-card\">EV infrastructure<p>Type B\/B+ where smooth DC leakage may occur.<\/p><\/div>\n        <div class=\"ky-card\">Data centers &#038; IT loads<p>Type F with improved HF immunity for converters\/UPS.<\/p><\/div>\n        <div class=\"ky-card\">Hospitals &#038; public buildings<p>High reliability and discrimination requirements.<\/p><\/div>\n        <div class=\"ky-card\">PV \/ ESS coupling<p>Coordinate with <a class=\"inline\" href=\"\/AC-SPD\">AC SPD<\/a>; Type B when required by inverter.<\/p><\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- ===== SEC6 \u2014 Installation & Wiring ===== -->\n  <section id=\"sec-install\" class=\"ky-sec\" aria-label=\"RCCB Installation\">\n    <div class=\"ky-container\">\n      <h2 class=\"ky-title-center\">Installation &#038; Wiring<\/h2>\n      <p class=\"ky-lead\">RCCBs do not provide overload or short-circuit protection; always coordinate with an upstream MCB\/MCCB.<\/p>\n\n      <div class=\"callout warn\" style=\"margin-bottom:12px\">\n        <span class=\"tag\">Important<\/span>\n        <div>Observe polarity (L\/N), rated sensitivity, and monthly function tests. Neutral must pass through the RCCB.<\/div>\n      <\/div>\n\n      <div class=\"ky-grid-3\">\n        <div class=\"ky-card\">\n          2P \u2014 <strong>RCCB single phase<\/strong> (L + N)\n          <p>Place upstream of branch circuits. Typical residential choice includes <strong>RCCB 63A 30mA<\/strong>.<\/p>\n        <\/div>\n        <div class=\"ky-card\">\n          4P \u2014 Three-phase (3L + N)\n          <p>Ensure phase sequence and shared neutral through the device for correct sensing.<\/p>\n        <\/div>\n        <div class=\"ky-card\">\n          Sensitivity selection\n          <p>30 mA for personnel protection; 100\/300 mA for fire protection or upstream selectivity.<\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- ===== SEC7 \u2014 Protection Coordination ===== -->\n  <section id=\"sec-coordination\" class=\"ky-sec\" aria-label=\"Protection Coordination\">\n    <div class=\"ky-container\">\n      <h2 class=\"ky-title-center\">Protection Coordination<\/h2>\n      <p class=\"ky-lead\">Layer protection for robust AC systems and proper selectivity.<\/p>\n\n      <table class=\"ky-table\" aria-label=\"Coordination table\">\n        <thead>\n          <tr>\n            <th>Stack<\/th>\n            <th>Purpose<\/th>\n            <th>Notes<\/th>\n            <th>Related Category<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td>MCB \u2192 RCCB<\/td>\n            <td>Overcurrent + leakage<\/td>\n            <td>Choose curve (B\/C\/D) and I\u0394n; respect Inc\/I\u0394c values.<\/td>\n            <td><a class=\"inline\" href=\"\/MCB\">MCB<\/a><\/td>\n          <\/tr>\n          <tr>\n            <td>RCBO (alternative)<\/td>\n            <td>Combined in one device<\/td>\n            <td>Simplifies final-circuit protection and wiring.<\/td>\n            <td><a class=\"inline\" href=\"\/RCBO\">RCBO<\/a><\/td>\n          <\/tr>\n          <tr>\n            <td>RCCB + AFDD<\/td>\n            <td>Leakage + arc-fault<\/td>\n            <td>Use in bedrooms, aging wiring, combustible areas.<\/td>\n            <td><a class=\"inline\" href=\"\/AFDD\">AFDD<\/a><\/td>\n          <\/tr>\n          <tr>\n            <td>RCCB + AC SPD<\/td>\n            <td>Surge + leakage protection<\/td>\n            <td>Place SPD per coordination rules for upstream devices.<\/td>\n            <td><a class=\"inline\" href=\"\/AC-SPD\">AC SPD<\/a><\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n  <\/section>\n<\/section>\n<!-- ================= END RCCB Landing \u2014 SEC3 to SEC7 ================= -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-75b26eb\" data-block-id=\"75b26eb\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-75b26eb-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-52e9c34\" data-v=\"4\" data-block-id=\"52e9c34\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-52e9c34-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-52e9c34-inner-blocks\">\n<!-- ================= RCCB Landing \u2014 SEC8 to SEC10 (Refined) ================= -->\n<section id=\"rccb-lower\" class=\"rccb-neo\" aria-label=\"RCCB Lower Sections\">\n  <style>\n    \/* ========== Design Tokens ========== *\/\n    .rccb-neo{\n      --brand:#B5220E; --ink:#0F172A; --muted:#6B7280; --line:#E5E7EB;\n      --bg:#F7F7F8; --card:#FFFFFF; --head:#F3F4F6; --ring:rgba(181,34,14,.14);\n      --shadow:0 10px 30px rgba(2,6,23,.06);\n    }\n    .rccb-neo *{box-sizing:border-box}\n    .rccb-neo .container{max-width:1160px;margin:0 auto;padding:0 20px}\n    .rccb-neo .sec{padding:64px 0}\n    .rccb-neo .title{font:700 30px\/1.2 ui-sans-serif,system-ui,Segoe UI,Roboto,Arial;color:var(--ink);text-align:center;margin:0 0 10px}\n    .rccb-neo .lead{color:var(--muted);text-align:center;max-width:880px;margin:0 auto 26px}\n    .rccb-neo .card{\n      background:var(--card); border:1px solid var(--line); border-radius:16px;\n      box-shadow:var(--shadow);\n    }\n    .rccb-neo .note{\n      background:linear-gradient(180deg,#fff, #fff0); border:1px solid var(--line);\n      border-left:4px solid var(--brand); border-radius:14px; padding:14px 16px; color:var(--muted)\n    }\n    .rccb-neo .divider{height:1px;background:linear-gradient(90deg,transparent,#E5E7EB,transparent);margin:28px 0}\n    .rccb-neo .gap{height:64px}\n    @media (max-width:880px){ .rccb-neo .sec{padding:46px 0} .rccb-neo .gap{height:40px} }\n\n    \/* ========== Table (nice) ========== *\/\n    .rccb-neo .table-wrap{overflow:auto; border-radius:16px}\n    .rccb-neo table{\n      width:100%; border-collapse:separate; border-spacing:0; min-width:720px;\n      background:var(--card); border:1px solid var(--line); border-radius:16px; overflow:hidden\n    }\n    .rccb-neo thead th{\n      position:sticky; top:0; z-index:1; background:var(--head); font-weight:700; text-align:left\n    }\n    .rccb-neo th,.rccb-neo td{padding:14px 16px; border-bottom:1px solid var(--line); color:var(--ink)}\n    .rccb-neo tbody tr:nth-child(2n){background:#FAFAFB}\n    .rccb-neo tbody tr:hover{background:#F6F7F8}\n    .rccb-neo strong{color:#111827}\n\n    \/* ========== Certifications grid ========== *\/\n    .rccb-neo .certs{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}\n    .rccb-neo .certs .card{display:flex;align-items:center;justify-content:center;padding:16px}\n    .rccb-neo .certs img{height:36px;max-width:100%;object-fit:contain;filter:grayscale(20%)}\n\n    \/* ========== FAQ ========== *\/\n    .rccb-neo details{\n      border:1px solid var(--line); border-radius:14px; background:var(--card); padding:14px 16px; box-shadow:var(--shadow)\n    }\n    .rccb-neo details+details{margin-top:12px}\n    .rccb-neo summary{cursor:pointer; font-weight:700; color:var(--ink); list-style:none; outline:none}\n    .rccb-neo summary::-webkit-details-marker{display:none}\n    .rccb-neo details[open]{outline:2px solid var(--ring)}\n    .rccb-neo details p{color:#374151; margin:10px 0 0}\n\n    \/* ========== Links inside text ========== *\/\n    .rccb-neo a.inline{color:var(--brand);font-weight:600;text-decoration:none}\n    .rccb-neo a.inline:hover{text-decoration:underline}\n  <\/style>\n\n  <!-- ================= SEC8 \u2014 Technical Data ================= -->\n  <section id=\"sec8-tech\" class=\"sec\">\n    <div class=\"container\">\n      <h2 class=\"title\">Technical Data (General)<\/h2>\n      <p class=\"lead\">Typical envelope values for Kuangya AC RCCB range. Confirm final numbers in the datasheet per model.<\/p>\n\n      <div class=\"table-wrap card\">\n        <table aria-label=\"RCCB technical data\">\n          <thead>\n            <tr><th style=\"width:32%\">Parameter<\/th><th>Value \/ Range<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Standard<\/td><td>IEC\/EN 61008-1<\/td><\/tr>\n            <tr><td>Poles<\/td><td>2P (single-phase) \/ 4P (three-phase)<\/td><\/tr>\n            <tr><td>Rated Current (In)<\/td><td>16\u2013125 A \u2014 popular: <strong>RCCB 63A 30mA<\/strong><\/td><\/tr>\n            <tr><td>Rated Sensitivity (I\u0394n)<\/td><td>10 \/ 30 \/ 100 \/ 300 mA<\/td><\/tr>\n            <tr><td>Rated Voltage (Ue)<\/td><td>240 V~ (2P) \/ 415 V~ (4P)<\/td><\/tr>\n            <tr><td>Insulation Voltage (Ui)<\/td><td>\u2265 500 V<\/td><\/tr>\n            <tr><td>Conditional Short-Circuit (Inc\/I\u0394c)<\/td><td>6\u201310 kA with upstream breaker<\/td><\/tr>\n            <tr><td>Impulse Withstand (Uimp)<\/td><td>4\u20136 kV<\/td><\/tr>\n            <tr><td>Tripping Class<\/td><td>Instantaneous; Selective S (\u2248150\u2013500 ms delay)<\/td><\/tr>\n            <tr><td>Endurance<\/td><td>\u2265 10,000 mechanical\/electrical operations<\/td><\/tr>\n            <tr><td>Terminal Capacity<\/td><td>Up to 35 mm\u00b2 Cu; pin\/fork busbar compatible<\/td><\/tr>\n            <tr><td>Mounting<\/td><td>DIN rail 35 mm (EN 60715)<\/td><\/tr>\n            <tr><td>Operating Temperature<\/td><td>\u221225 \u00b0C \u2026 +55 \u00b0C<\/td><\/tr>\n            <tr><td>Waveform Types<\/td><td>Type AC \/ A \/ F \/ B \/ B+; Selective S<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <div class=\"note\" style=\"margin-top:16px\">\n        RCCB does not protect against overload or short circuit \u2014 coordinate with an upstream\n        <a class=\"inline\" href=\"\/MCB\">MCB<\/a> or <a class=\"inline\" href=\"\/RCBO\">RCBO<\/a>. Add <a class=\"inline\" href=\"\/AFDD\">AFDD<\/a> where arc-fault protection is required.\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- Optional visual break for future image\/banner -->\n  <div class=\"divider\"><\/div>\n  <div class=\"gap\"><\/div>\n\n  <!-- ================= SEC9 \u2014 Certifications ================= -->\n  <section id=\"sec9-cert\" class=\"sec\">\n    <div class=\"container\">\n      <h2 class=\"title\">Certifications<\/h2>\n      <p class=\"lead\">Series-dependent approvals. Contact us for the exact certificate set per model family.<\/p>\n\n      <div class=\"certs\">\n        <div class=\"card\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/cert-ce.svg\" alt=\"CE\"><\/div>\n        <div class=\"card\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/cert-cb.svg\" alt=\"CB Scheme\"><\/div>\n        <div class=\"card\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/cert-ukca.svg\" alt=\"UKCA\"><\/div>\n        <div class=\"card\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/cert-rohs.svg\" alt=\"RoHS\"><\/div>\n        <div class=\"card\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/cert-iec.svg\" alt=\"IEC 61008\"><\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- Optional visual break for future image\/banner -->\n  <div class=\"divider\"><\/div>\n  <div class=\"gap\"><\/div>\n\n  <!-- ================= SEC10 \u2014 FAQ ================= -->\n  <section id=\"sec10-faq\" class=\"sec\">\n    <div class=\"container\">\n      <h2 class=\"title\">FAQs \u2014 RCCB<\/h2>\n\n      <details>\n        <summary>What is the difference between RCCB and RCBO?<\/summary>\n        <p>RCCB detects residual (earth) current only; RCBO integrates residual-current and overcurrent protection in one device for terminal circuits.<\/p>\n      <\/details>\n\n      <details>\n        <summary>When should I use a selective RCCB (Type S)?<\/summary>\n        <p>Use Type S upstream to achieve selectivity with downstream 30 mA RCDs. The intentional time delay (\u2248150\u2013500 ms) prevents whole-board trips.<\/p>\n      <\/details>\n\n      <details>\n        <summary>Which RCCB type suits EV chargers or PV?<\/summary>\n        <p>Use Type B\/B+ where smooth DC residual currents are possible (certain EV chargers and PV inverters). Always confirm with the equipment manual.<\/p>\n      <\/details>\n\n      <details>\n        <summary>What does I\u0394n = 30 mA mean?<\/summary>\n        <p>It is the sensitivity threshold. 30 mA protects people; 100\/300 mA are used upstream for fire protection\/selectivity.<\/p>\n      <\/details>\n\n      <details>\n        <summary>Can an RCCB work without an MCB?<\/summary>\n        <p>No. RCCB does not protect against overload or short circuit. Always coordinate with an upstream <a class=\"inline\" href=\"\/MCB\">MCB<\/a> or MCCB.<\/p>\n      <\/details>\n\n      <details>\n        <summary>Type AC vs Type A \u2014 which should I choose?<\/summary>\n        <p>Type A is recommended for modern mixed loads because it also detects pulsating DC from power electronics. Type AC is for purely sinusoidal AC loads.<\/p>\n      <\/details>\n\n      <details>\n        <summary>How often should I test an RCCB?<\/summary>\n        <p>Press the TEST button monthly (or per local regulation) to verify correct trip function. Replace any device that fails the test.<\/p>\n      <\/details>\n\n      <details>\n        <summary>Do I need AFDD together with RCCB?<\/summary>\n        <p>In fire-risk areas (bedrooms, aging wiring, combustible storage), add an <a class=\"inline\" href=\"\/AFDD\">AFDD<\/a> for arc-fault detection alongside RCCB.<\/p>\n      <\/details>\n    <\/div>\n  <\/section>\n<\/section>\n<!-- ================= END RCCB Landing \u2014 SEC8 to SEC10 (Refined) ================= -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>KUANGYA Residual Current Circuit Breaker (RCCB) Quick Comparison of RCCB Types Our AC RCCB range covers Type AC, Type A, Type F, and Type B\/B+ plus selective Type S. Use this table to select the correct waveform sensitivity and trip characteristic. Type Waveform Coverage Typical Applications Sensitivity (I\u0394n) Poles Notes AC Pure sinusoidal AC residual [&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-1604","page","type-page","status-publish","hentry"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/pages\/1604","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/comments?post=1604"}],"version-history":[{"count":4,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/pages\/1604\/revisions"}],"predecessor-version":[{"id":2051,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/pages\/1604\/revisions\/2051"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media?parent=1604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}