{"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\/ja\/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 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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;: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=\"\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-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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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=\"\u30d7\u30ec\u30fc\u30b9\u30db\u30eb\u30c0\u30fc\" 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\/ja\/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\/ja\/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\/ja\/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\/ja\/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\/ja\/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 current Standard residential\/commercial loads 30 \/ 100 \/ 300 mA 2P \/ 4P Do not use where pulsating DC may occur. A AC + pulsating DC Appliances with power electronics, SMPS 10 \/ 30 \/ 100 \/ 300 mA 2P \/ 4P Recommended default for mixed modern loads. F AC + pulsating DC + high-frequency [&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\/ja\/wp-json\/wp\/v2\/pages\/1604","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=1604"}],"version-history":[{"count":4,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/pages\/1604\/revisions"}],"predecessor-version":[{"id":2051,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/pages\/1604\/revisions\/2051"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/media?parent=1604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}