{"product_id":"siemens-cfd63b250l-250a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens CFD63B250L - 250 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens CFD63B250L — a rugged 3-pole bolt-on molded case circuit breaker designed to guard panelboards and load centers from overcurrent and short-circuit events. With a 250 A rating and a 600 V maximum, it’s built to handle demanding electrical environments while delivering dependable, repeatable protection.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection, helping maintain consistent electrical performance even in high-traffic electrical panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, fast protection for both overloads and short circuits, reducing nuisance trips and protecting connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to work with matching Siemens load centers and panelboards, making replacements and retrofits smoother and safer.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e ensures balanced protection across three-phase systems, ideal for commercial and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile protection\u003c\/strong\u003e suitable for residential, commercial, and light industrial panel installations that require reliable branch circuit overcurrent and short-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e: In often demanding electrical setups, a robust, predictable protection device is essential. The CFD63B250L’s combination of bolt-on rigidity and a thermal-magnetic trip means you get consistent trip characteristics, quicker fault clearance, and safer operation across your distribution network.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMain distribution protection in commercial panelboards and industrial load centers with three-phase loads.\u003c\/li\u003e \u003cli\u003eBranch circuit protection for high-current circuits such as HVAC equipment, pumps, and motor loads.\u003c\/li\u003e \u003cli\u003eRetrofits or upgrades in Siemens OEM panels where matching trip curves and mounting styles simplify installation and ensure compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e (reference for planning and procurement):\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e CFD63B250L\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 250 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 engineers and electricians selecting protective devices, the CFD63B250L offers a reliable, industry-standard solution that aligns with Siemens panel ecosystems while delivering tangible benefits in performance and ease of installation. Whether you’re equipping a new panelboard or upgrading an older installation, this bolt-on 3-pole breaker provides robust protection you can count on under real-world operating conditions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349779337378,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-cfd63b250l-250-a-600-v-3-pole-bolt-on-circuit-breaker-399.webp?v=1788723762","url":"https:\/\/www.ampstate.com\/products\/siemens-cfd63b250l-250a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}