{"id":2431,"date":"2026-07-09T08:53:16","date_gmt":"2026-07-09T08:53:16","guid":{"rendered":"https:\/\/chac-electric.com\/?post_type=product&#038;p=2431"},"modified":"2026-07-09T09:26:32","modified_gmt":"2026-07-09T09:26:32","slug":"cqb3-63-series-50hz-60hz-ac-miniature-circuit-breaker","status":"publish","type":"product","link":"https:\/\/chac-electric.com\/pt\/product\/cqb3-63-series-50hz-60hz-ac-miniature-circuit-breaker\/","title":{"rendered":"CQB3-63 Series 50Hz\/60Hz AC Miniature Circuit Breaker"},"content":{"rendered":"<h2><strong><b>Product<\/b><\/strong>\u00a0Overview<\/h2>\n<p>The CQB3-63 series miniature circuit breaker, crafted by CHAC Electric, is designed to fulfill the customization needs of international clients in low &#8211; voltage electrical systems. As a professional contract manufacturer with extensive export experience, we excel in ODM\/OEM services.<\/p>\n<p>These MCBs are ideal for AC 50Hz (or 60Hz) distribution systems with a rated voltage of 230\/400V and a rated current up to 63A, featuring a rated short &#8211; circuit breaking capacity of up to 6000A. They serve as protective devices in distribution circuits for infrequent connection, disconnection, and switching. Equipped with overload, short &#8211; circuit, and isolation protection, they&#8217;re suitable for various terminal distribution scenarios in construction, new energy, power, and infrastructure industries.<\/p>\n<p>Our CQB3-63 series highlights advanced technology and strict quality control. Leveraging cutting &#8211; edge equipment and stringent quality standards, we guarantee reliable performance. We understand international clients&#8217; unique requirements and offer flexible customization from product design to packaging. Our efficient processes and quality systems ensure timely delivery of high &#8211; quality products, empowering clients to thrive in the global market.<\/p>\n<h2><strong><b>Product Features<\/b><\/strong><\/h2>\n<p>\u25a0\u00a0High Breaking Capacity<\/p>\n<p>6kA short-circuit protection rating ensures reliable circuit interruption under fault conditions<\/p>\n<p>\u25a0\u00a0Wide Current Range<\/p>\n<p>6-63A ratings with B\/C\/D tripping characteristics for residential and\u00a0commercial applications<\/p>\n<p>\u25a0\u00a0Long Service Life<\/p>\n<p>\u226510,000 mechanical operations and \u22656,000 electrical operations<\/p>\n<p><strong><b>Ordering Specification<\/b><\/strong><\/p>\n<p>1.Product Model: CQB3-63<\/p>\n<p>2.Number of Poles: 1P, 1P+N, 2P, 3P, 3P+N,4P<\/p>\n<p>3.Rated Current &amp; Tripping Curve: [e.g.: C\/32A]<\/p>\n<ul>\n<li>Tripping Curve:B,C,D<\/li>\n<li>Rated Current (In): 6A, 10A, 16A, 20A, 25A, 32A,40A,50A,63A<\/li>\n<\/ul>\n<p>4.Quantity: [e.g.: 100 pcs]<\/p>\n<p>Ordering Example:<\/p>\n<p>CQB3-63 2P C\/32A 100 pcs<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CQB3-63 series miniature circuit breakers are suitable for protection of distribution lines with AC 50Hz (or 60Hz), rated working voltage 230\/400V, rated current up to 63A, and rated short-circuit breaking capacity not exceeding 6000A. They are used for infrequent connection, disconnection and conversion of lines, and have overload, short-circuit and isolation protection functions. They can be widely used in terminal distribution application scenarios in various industries such as construction, new energy, electricity, and infrastructure.<\/p>","protected":false},"featured_media":1182,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[25,46],"product_tag":[],"class_list":["post-2431","product","type-product","status-publish","has-post-thumbnail","product_cat-terminal-electrical-appliances","product_cat-mcb","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/chac-electric.com\/pt\/wp-json\/wp\/v2\/product\/2431","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chac-electric.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/chac-electric.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/pt\/wp-json\/wp\/v2\/comments?post=2431"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/pt\/wp-json\/wp\/v2\/media\/1182"}],"wp:attachment":[{"href":"https:\/\/chac-electric.com\/pt\/wp-json\/wp\/v2\/media?parent=2431"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/chac-electric.com\/pt\/wp-json\/wp\/v2\/product_brand?post=2431"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/chac-electric.com\/pt\/wp-json\/wp\/v2\/product_cat?post=2431"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/chac-electric.com\/pt\/wp-json\/wp\/v2\/product_tag?post=2431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}