{"product_id":"westinghouse-fb3150-circuit-breaker","title":"Westinghouse | FB3150 | Circuit Breaker | 150A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse FB3150, a purpose-built circuit breaker designed for demanding three-phase power systems. With a 150-amp rating, a 3-pole configuration, and a 600-volt maximum, this breaker provides robust protection for commercial and industrial panels that require precise, reliable interruption during faults.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150A\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\u003ePart reference:\u003c\/strong\u003e FB3150 — the best reference for compatibility\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for:\u003c\/strong\u003e maintenance, retrofit, and replacement projects\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-pole design protects all three phases simultaneously, helping to maintain balance and safe shutdown in three-phase systems.\u003c\/li\u003e \u003cli\u003eDirect compatibility with Westinghouse panels and other systems that use the FB3150 specification when the part number is your match reference.\u003c\/li\u003e \u003cli\u003eA trusted, durable component from Westinghouse, built to endure the rigors of commercial and industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofits in aging service panels where a like-for-like replacement is required to maintain code compliance and electrical safety.\u003c\/li\u003e \u003cli\u003eMaintenance replacements in data centers or manufacturing floors where a 150A, 3-pole, 600V breaker fits the existing bus configuration.\u003c\/li\u003e \u003cli\u003eNew installations that follow three-phase distribution with a 600V system and a 150A protection level for distribution branches.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings in your exact panel. The FB3150 part number is the best reference for compatibility, ensuring the breaker aligns with your panel's bus and mounting. If your system uses three-phase 600V service and requires 150A protection, this unit is designed to provide a reliable, code-compliant solution.\u003c\/p\u003e \u003ch3\u003eSafety and maintenance tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways power down the panel and follow lockout\/tagout procedures before replacement.\u003c\/li\u003e \u003cli\u003eInspect the breaker’s mechanical condition and bus connections during installation to ensure secure operation.\u003c\/li\u003e \u003cli\u003eStore replacement breakers in a clean, dry environment to prevent corrosion and ensure smooth functionality when installed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46424400134306,"sku":"FB3150","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/westinghouse-fb3150-circuit-breaker-150a-3-pole-600v-899.webp?v=1789352717","url":"https:\/\/www.ampstate.com\/products\/westinghouse-fb3150-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}