{"product_id":"siemens-fj63s250a-circuit-breaker","title":"Siemens | FJ63S250A | Circuit Breaker | 250A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens FJ63S250A circuit breaker delivers robust, high-current protection for demanding 3‑phase electrical systems. rated at 250A with a 3‑pole configuration and a 600V maximum, this bolt‑on breaker is engineered for dependable performance in maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 250A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e FJ63S250A (best compatibility reference)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service on Siemens-compatible panels and feeders requiring a precise 250A, 3‑pole, 600V bolt‑on solution\u003c\/li\u003e \u003cli\u003eRetrofits where upgrading or replacing existing 3‑phase protection without changing enclosure design\u003c\/li\u003e \u003cli\u003eReplacement for aging or obsolete circuits in industrial control panels, motor control centers, and large equipment feeders\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy the bolt-on, 3‑pole 600V design matters\u003c\/h2\u003e\n\u003cp\u003eThe bolt-on mounting provides a secure, vibration‑resistant connection that stands up to challenging industrial environments. The 3‑pole configuration ensures balanced protection across all three phases, which is essential for motors, drives, and other high‑power loads. With a 600V rating, this breaker is suited for commercial and industrial power distribution where reliable interruption capability and precise coordination with existing protection schemes are critical.\u003c\/p\u003e \u003ch2\u003eInstallation and compatibility notes\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, verify that the FJ63S250A matches your panel or switchgear’s form factor and ratings. The part number is the best reference for compatibility, ensuring a precise fit and expected performance in your system. Follow standard safety procedures during installation and consult your electrical schematic to confirm exact breaker position and wiring configuration.\u003c\/p\u003e \u003ch2\u003ePractical use tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUse this breaker in environments where three-phase protection and quick fault isolation are priorities\u003c\/li\u003e \u003cli\u003ePair with compatible Siemens accessories and enclosure hardware to maintain enclosure integrity and clearance\u003c\/li\u003e \u003cli\u003eDocument the replacement with the exact part number (FJ63S250A) for future maintenance and audits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427520958626,"sku":"FJ63S250A","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-fj63s250a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}