{"product_id":"siemens-cfd63b125-125a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens CFD63B125 - 125 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens CFD63B125—a dependable, 3-pole bolt-on molded case circuit breaker designed to protect your electrical system with precision in panelboards and loadcenters. With a 125 A rating and a 600 V capability, this device handles demanding branch-circuit protection for residential, commercial, and light industrial applications.\u003c\/p\u003e \u003cp\u003eWhy this breaker stands out:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant connection to the bus, minimizing loosening risk in dynamic environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by accurately responding to both overloads and short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to work with matching Siemens\/ OEM loadcenters and panelboards for a cohesive, reliable protection solution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e ideal for residential panels, commercial equipment rooms, and light industrial distributions where dependable protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe CFD63B125 is purpose-built for branch circuit overcurrent and short-circuit protection, ensuring your panelboard or loadcenter stays safeguarded under normal operation and during fault conditions. Its 3-pole design supports multi-phase setups, making it suitable for a range of panel configurations and installation scenarios.\u003c\/p\u003e \u003cp\u003eTechnical overview at a glance:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e CFD63B125\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 125 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals building or maintaining panel systems, the CFD63B125 offers a precise, reliable protection option that aligns with Siemens OEM panels while delivering predictable performance across common operating conditions. Whether upgrading an existing installation or configuring a new panel, this breaker helps you achieve clean protection, solid conductivity, and straightforward serviceability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349778518178,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-cfd63b125-125-a-600-v-3-pole-bolt-on-circuit-breaker-219.webp?v=1788723662","url":"https:\/\/www.ampstate.com\/products\/siemens-cfd63b125-125a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}