{"product_id":"siemens-fxd63s250a-250a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens FXD63S250 A - 250 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens FXD63S250A — a rugged 250 A, 600 V, 3-Pole bolt-on molded case circuit breaker designed to deliver reliable overcurrent and short-circuit protection in panelboards and load centers. Built for demanding environments, this breaker helps keep electrical systems safe and service-ready with precise protection that you can count on.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e: A secure, rigid connection that resists vibration and panel movement, maintaining a dependable bus connection in cabinets subjected to door cycling or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Combines thermal (overload) and magnetic (short-circuit) protection for stable, repeatable performance and fast fault interruption when it matters most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM system compatibility\u003c\/strong\u003e: Designed to work with matching Siemens loadcenters and panelboards, ensuring consistent fit, coordination, and protection across your electrical distribution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e: Ideal for three-phase circuits, providing coordinated protection across all phases in commercial, light industrial, and select residential apps.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeavy-duty 600 V rating\u003c\/strong\u003e: Suitable for a wide range of panels and feeders, delivering reliable performance in both standard and demanding installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhere and how you’ll use it\u003c\/h3\u003e\n\u003cp\u003ePerfect for main distribution applications in panelboards and load centers where a robust 250 A, 3-pole breaker is required. It serves as a dependable line-side protection device in commercial spaces, mechanical rooms, and light industrial facilities, helping to prevent costly outages by interrupting fault currents before wiring or equipment overheats.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\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: FXD63S250A\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 \u003ch3\u003ePractical considerations and tips\u003c\/h3\u003e\n\u003cp\u003eWhen upgrading or installing, ensure you’re pairing this FXD63S250A with compatible Siemens panelboards to maintain proper coordination and protection curves. The bolt-on design simplifies retrofit or replacement in established enclosures, helping reduce installation time and ensuring a stable, long-lasting connection in environments where vibration or panel movement is a factor.\u003c\/p\u003e \u003ch3\u003eWho should consider this breaker\u003c\/h3\u003e\n\u003cp\u003eElectrical professionals and facilities managers who need a reliable, high-capacity 3-pole solution for main or branch protection in panelboards and load centers. It’s well-suited for commercial spaces, light industrial applications, and robust residential service panels that require a 250 A rating with solid thermal-magnetic protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349797261474,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_2f40d04d-5f7a-43bb-8e9c-6d9ba2254e8f.png?v=1764157070","url":"https:\/\/www.ampstate.com\/products\/siemens-fxd63s250a-250a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}