The\u00a0is a professional-grade protective device designed for solar photovoltaic systems, energy storage, and industrial DC power distribution. With a rated current of 125A<\/strong> and a rated voltage of 800V DC<\/strong>, it delivers powerful and reliable overcurrent and short-circuit protection for high-capacity PV arrays, combiner boxes, and DC distribution boards.<\/p>\n Built around a high-speed arc-extinguishing mechanism, this MCB trips quickly and safely under fault conditions, minimizing equipment damage . Its compact DIN-rail design allows fast, tool-free installation, while the flame-retardant, UV-resistant housing ensures stable performance in outdoor, high-temperature, and humid environments.<\/p>\n Compliant with international safety standards (IEC 60947-2 ), the 125A 800V DC Miniature Circuit Breaker is the dependable choice for protecting modern solar and DC power systems \u2014 from residential PV setups to large-scale commercial and industrial installations.<\/p>\n This 125A 2P\u00a0 Circuit Breaker is certified to UL 1077<\/strong> (Standard for Supplementary Protectors for Use in Electrical Equipment) and CSA C22.2 No. 235<\/strong>, carrying the cULus<\/strong> mark for both the United States and Canada.<\/p>\n UL 1077 certification verifies that the device provides reliable supplementary overcurrent protection \u2014 combining thermal overload protection with magnetic short-circuit protection \u2014 for use within electrical equipment and appliances. It is designed to protect downstream equipment and sub-circuits inside control panels, power supplies, and industrial or solar equipment, where branch circuit protection is already provided or not required.<\/p>\n This 125A, 2-pole configuration delivers high-capacity, dependable protection with fast tripping response, suitable for demanding DC and industrial applications.<\/p>\n T\u1ed5ng quan<\/strong><\/p>\n The is a high-capacity protective device purpose-built for solar photovoltaic systems, energy storage, and industrial DC power distribution. Rated at 125A and 800V DC, it reliably isolates and protects circuits from overcurrent, overload, and short-circuit faults, ensuring the safe and stable operation of PV arrays, combiner boxes, and DC distribution boards.<\/p>\n Key Features<\/strong><\/p>\n Why Partner With Us<\/strong><\/p>\n We are a professional manufacturer of miniature circuit breakers and electrical protection devices, offering flexible OEM and ODM services for brands, distributors, and system integrators worldwide. Whether you need a private-label circuit breaker or a fully customized product, we deliver factory-direct quality at competitive prices.<\/p>\n What We Offer<\/strong><\/p>\n Our Advantages<\/strong><\/p>\n Our Workflow<\/strong><\/p>\n The 2P 125A Circuit Breaker (MCB) provides fast, reliable overload and short-circuit protection for solar PV, energy storage and industrial DC systems. DIN rail mount, Type C curve, 5kA breaking capacity.<\/p>","protected":false},"featured_media":6171,"template":"","meta":{"_acf_changed":false,"footnotes":""},"product_category":[58,59],"product_filter":[],"class_list":["post-6160","product","type-product","status-publish","has-post-thumbnail","hentry","product_category-circuit-breaker","product_category-dc-circuit-breaker"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.yroele.com\/vi\/wp-json\/wp\/v2\/product\/6160","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yroele.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.yroele.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":5,"href":"https:\/\/www.yroele.com\/vi\/wp-json\/wp\/v2\/product\/6160\/revisions"}],"predecessor-version":[{"id":6186,"href":"https:\/\/www.yroele.com\/vi\/wp-json\/wp\/v2\/product\/6160\/revisions\/6186"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yroele.com\/vi\/wp-json\/wp\/v2\/media\/6171"}],"wp:attachment":[{"href":"https:\/\/www.yroele.com\/vi\/wp-json\/wp\/v2\/media?parent=6160"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/www.yroele.com\/vi\/wp-json\/wp\/v2\/product_category?post=6160"},{"taxonomy":"product_filter","embeddable":true,"href":"https:\/\/www.yroele.com\/vi\/wp-json\/wp\/v2\/product_filter?post=6160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}UL 1077 Certified<\/a> Supplementary Protector<\/strong><\/h2>\n
![\"125A](\"https:\/\/i1.wp.com\/www.yroele.com\/wp-content\/uploads\/2026\/08\/6.jpg?quality=85&strip=all\")
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OEM \/ ODM Custom Manufacturing<\/h2>\n
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\n D\u00f2ng s\u1ea3n ph\u1ea9m<\/td>\n YRL7-125DC<\/td>\n<\/tr>\n \n X\u1ebfp h\u1ea1ng hi\u1ec7n t\u1ea1i<\/td>\n 125A<\/td>\n<\/tr>\n \n \u0110i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c<\/td>\n 800V<\/td>\n<\/tr>\n \n Impact-Resistant Voltgae<\/td>\n 6kV<\/td>\n<\/tr>\n \n Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh<\/td>\n -30\u2103~70\u2103<\/td>\n<\/tr>\n \n Ti\u00eau chu\u1ea9n<\/td>\n IEC\/EN60947-2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"