{"product_id":"mbk125a","title":"Siemens MBK125A - 125A, 240VAC, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens MBK125A—a dependable 125A, 240VAC circuit breaker designed to deliver reliable overcurrent protection in demanding electrical environments. Built to safeguard panelboards, switchboards, control panels, and OEM equipment, this breaker helps prevent electrical faults from cascading into costly downtime and equipment damage.\u003c\/p\u003e \u003ch3\u003eWhy the MBK125A stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e125A current rating at 240VAC\u003c\/strong\u003e provides robust protection for medium-to-large branch circuits and feeders.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile installation\u003c\/strong\u003e ideal for industrial facilities, commercial buildings, and OEM assemblies, including motor control centers and distribution panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeamless integration\u003c\/strong\u003e designed to fit standard panel and switchboard configurations, simplifying wiring and reducing installation time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e built for continual operation in challenging environments, helping maintain safe performance over the life of the system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 125A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240VAC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cp\u003eThe MBK125A excels in distribution panels and motor control centers across industrial facilities and commercial sites. Use it to protect feeders, branch circuits, and critical equipment feeds from overloads and short circuits. For OEM projects, the MBK125A is designed to integrate with standard panel architectures, enabling straightforward installation and reliable protection in a wide range of configurations.\u003c\/p\u003e \u003ch3\u003ePractical guidance for selection and installation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e Match the 125A rating to your circuit’s maximum continuous load to ensure appropriate protection without nuisance trips.\u003c\/li\u003e \u003cli\u003e Verify that your system’s 240VAC supply aligns with the panel’s rating and the equipment requirements.\u003c\/li\u003e \u003cli\u003e Consult the installation manual for mounting requirements, enclosure compatibility, and any accessory needs to ensure proper heat dissipation and easy access for testing and resets.\u003c\/li\u003e \u003cli\u003e Consider future load growth when selecting protection to simplify upgrades and maintain consistent safety margins.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default","offer_id":46390578053282,"sku":"MBK125A","price":171.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_1039cffb-b37c-418c-bf7a-6caddefc8fc8.png?v=1765377203","url":"https:\/\/www.ampstate.com\/products\/mbk125a","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}