{"product_id":"westinghouse-jb3150-circuit-breaker","title":"Westinghouse | JB3150 | Circuit Breaker | 150A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for robust protection in 3-phase systems, the Westinghouse JB3150 circuit breaker delivers dependable overcurrent protection at 150 A and 600 V. Whether you’re performing a retrofit, replacement, or routine maintenance, this unit matches the exact specifications your panel demands.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 150 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e: A 3-pole design ensures balanced protection across all three hot legs, helping prevent phase imbalances and electrical faults from escalating. The 150 A rating is well-suited for large branch circuits or main feeders in commercial environments, providing reliable trip performance when fault conditions occur.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eBest-fit and compatibility\u003c\/strong\u003e: To ensure seamless replacement, rely on the JB3150 part number as the primary reference for compatibility. Always confirm fit and ratings with your panel manufacturer’s guidance before ordering.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaintenance and service on 3-phase panels that require 150 A, 600 V protection\u003c\/li\u003e\n\u003cli\u003eRetrofit projects where exact Westinghouse JB3150 specifications are needed\u003c\/li\u003e\n\u003cli\u003eReplacement of a failed breaker in existing 600 V, 3-pole electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for installation and care\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsult your panel’s documentation to verify compatibility with 3-pole 600 V breakers\u003c\/li\u003e\n\u003cli\u003eHave a qualified electrician perform the installation to ensure safety and proper electrical connections\u003c\/li\u003e\n\u003cli\u003eKeep the JB3150 reference handy as a dedicated spare for scheduled maintenance and quick replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427252588706,"sku":"JB3150","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\/westinghouse-jb3150-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}