{"id":3098,"date":"2026-07-28T05:40:45","date_gmt":"2026-07-28T05:40:45","guid":{"rendered":"https:\/\/chac-electric.com\/?post_type=product&#038;p=3098"},"modified":"2026-07-29T09:55:54","modified_gmt":"2026-07-29T09:55:54","slug":"cqb2-40-miniature-circuit-breaker","status":"publish","type":"product","link":"https:\/\/chac-electric.com\/pt\/product\/cqb2-40-miniature-circuit-breaker\/","title":{"rendered":"Disjuntor Miniatura CQB2-40"},"content":{"rendered":"<h2>Product Overview<\/h2>\n<p>These MCBs are suitable for AC 50Hz (or 60Hz) power distribution systems, featuring a rated voltage of 230\/400V and a rated current up to 40A and below, with a rated short &#8211; circuit breaking capacity of up to 4500A\/6000A\/10000A. They serve as protection devices in distribution circuits for infrequent connection, disconnection, and switching operations. Equipped with overload, short &#8211; circuit, and isolation protection functions, they can be widely applied in various terminal distribution scenarios in the construction, power, and infrastructure industries.<\/p>\n<p>What sets our CQB2-40 series apart is the blend of advanced technology and rigorous quality control. We utilize cutting &#8211; edge production equipment and adhere to strict quality inspection standards to ensure each unit meets the highest performance levels. Our commitment to innovation and precision ensures that these circuit breakers operate efficiently and reliably, even under demanding electrical conditions. This makes them an ideal choice for customers seeking robust and durable electrical protection solutions in diverse distribution applications.<\/p>\n<p>Moreover, as a professional customization service provider, we understand the unique needs of our international clients. We offer flexible customization options, from product design and specifications to packaging and branding, enabling our clients to tailor the products to their specific market requirements. Our efficient production processes and stringent quality management systems guarantee timely delivery of premium &#8211; quality products, helping our clients stay ahead in the competitive global market.<\/p>\n<h2><strong><b>Product Features<\/b><\/strong><\/h2>\n<p>\u25a0\u00a0Compact structure and robust design<\/p>\n<p>\u25a0\u00a0Low power consumption<\/p>\n<p>\u25a0\u00a0Easy DIN-Rail extraction<\/p>\n<p>\u25a0\u00a0Overload &amp; short circuit protection<\/p>\n<p>\u25a0\u00a0Suitable for industrial, commercial, high-rise and civil residences circuit protection.<\/p>\n<h2><strong><b>Ordering Specification<\/b><\/strong><\/h2>\n<p>Please specify the following when ordering:<\/p>\n<p>1.Product Model: CQB2-40<\/p>\n<p>2.Number of Poles: 1P+N<\/p>\n<p>3.Rated Current &amp; Tripping Curve: [e.g.: C\/32A]<\/p>\n<ul>\n<li>Tripping Curve (Type): B, C, D<\/li>\n<li>Rated Current (In): 10A, 16A, 20A, 25A, 32A, 40A<\/li>\n<\/ul>\n<p>4.Quantity: [e.g.: 200 pcs]<\/p>\n<p>Ordering Example:<\/p>\n<p>CQB2-40 1P+N C\/32A 200 pcs<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The CQB2-63 series miniature circuit breaker is meticulously designed by CHAC Electric to fulfill the customization requirements of international clients in the low-voltage electrical sector. As a proficient contract manufacturer with extensive export expertise, we are dedicated to delivering high &#8211; quality and reliable products.<\/p>\n<div class=\"product-specs-grid\">\n<p><!-- Item 1 --><\/p>\n<div class=\"spec-item\">\n<div class=\"spec-title\">Polacos:<\/div>\n<div class=\"spec-value\">1P+N<\/div>\n<\/div>\n<p><!-- Item 2 --><\/p>\n<div class=\"spec-item\">\n<div class=\"spec-title\">Corrente Nominal:<\/div>\n<div class=\"spec-value\">10A\u201340A<\/div>\n<\/div>\n<p><!-- Item 3 --><\/p>\n<div class=\"spec-item\">\n<div class=\"spec-title\">Tens\u00e3o Nominal:<\/div>\n<div class=\"spec-value\">230V~<\/div>\n<\/div>\n<p><!-- Item 4 --><\/p>\n<div class=\"spec-item\">\n<div class=\"spec-title\">Capacidade de Ruptura:<\/div>\n<div class=\"spec-value\">4.5kA<\/div>\n<\/div>\n<p><!-- Item 5 --><\/p>\n<div class=\"spec-item\">\n<div class=\"spec-title\">Curva de Disparo<\/div>\n<div class=\"spec-value\">B \/ C \/ D<\/div>\n<\/div>\n<p><!-- Item 6 --><\/p>\n<div class=\"spec-item\">\n<div class=\"spec-title\">Normal<\/div>\n<div class=\"spec-value\">IEC 60898-1<\/div>\n<div><\/div>\n<\/div>\n<div>\n<div class=\"spec-title\">Personaliza\u00e7\u00e3o:<\/div>\n<div class=\"spec-value\">Servi\u00e7o OEM\/ODM Completo<\/div>\n<\/div>\n<\/div>","protected":false},"featured_media":3107,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[25,46],"product_tag":[],"class_list":["post-3098","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\/3098","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=3098"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/pt\/wp-json\/wp\/v2\/media\/3107"}],"wp:attachment":[{"href":"https:\/\/chac-electric.com\/pt\/wp-json\/wp\/v2\/media?parent=3098"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/chac-electric.com\/pt\/wp-json\/wp\/v2\/product_brand?post=3098"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/chac-electric.com\/pt\/wp-json\/wp\/v2\/product_cat?post=3098"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/chac-electric.com\/pt\/wp-json\/wp\/v2\/product_tag?post=3098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}