{"product_id":"siemens-fj63b175-circuit-breaker","title":"Siemens | FJ63B175 | Circuit Breaker | 175A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003eSiemens FJ63B175 Circuit Breaker is built to safeguard your three-phase power system with precise, plug-and-play reliability. Designed for maintenance, retrofit, and replacement projects, this 175A, 3-pole unit delivers consistent protection for demanding industrial and commercial panels where performance matters. \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 175A\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 number:\u003c\/strong\u003e FJ63B175\u003c\/li\u003e\n\u003c\/ul\u003e This Siemens circuit breaker stands out in retrofit and replacement scenarios thanks to its exact spec match and robust bolt-on mounting, which provides a secure, vibration-resistant connection in demanding environments. If you’re upgrading an aging panel or restoring a system after a fault, FJ63B175 ensures you stay aligned with your panel’s original design intent and electrical characteristics. Who benefits most\n- Industrial facilities and commercial buildings with 3-phase loads that require reliable 175A protection\n- Panels and switchgear that are configured for 3-pole, 600V operation\n- Maintenance teams performing targeted replacements where exact part compatibility is critical Key considerations for a smooth fit\n- Confirm fit and ratings before ordering; the part number is the best reference for compatibility\n- Use in applications that match a 3-pole, 600V, 175A configuration with bolt-on terminals\n- Ensure the installation is performed by a qualified electrician and in accordance with local electrical codes and panel labeling Why this matters in real-world use\n- Maintains continuity of service for three-phase equipment, reducing downtime during maintenance or upgrades\n- Provides dependable overcurrent protection aligned with your existing Siemens gear and panel architecture\n- Simplifies lifecycle management by offering a direct replacement path when refreshing older installations Practical tips for installation and ongoing care\n- Verify the panel’s listing and the busbar style to ensure seamless integration with the bolt-on mounting\n- Handle with care to avoid nicks on terminals, and torque connections according to manufacturer guidelines\n- Keep a record of the part number (FJ63B175) for future replacements or audits to maintain consistent protection across your system Siemens FJ63B175 is your precise, purpose-built solution for upgrading or maintaining three-phase electrical infrastructure. It delivers the right combination of amperage, voltage rating, and mounting style to keep your equipment protected and your operations running smoothly.\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425526272162,"sku":"FJ63B175","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-fj63b175-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}