{"product_id":"westinghouse-j3090-circuit-breaker","title":"Westinghouse | J3090 | Circuit Breaker | 90A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eWestinghouse J3090 Circuit Breaker delivers reliable overcurrent protection for three-phase electrical systems, rated at 90 amps with three poles and a maximum voltage of 600V. Built for maintenance, retrofit, and replacement scenarios where exact specifications matter, this unit integrates smoothly into your existing panelboards when the goal is consistent protection and minimal downtime.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference\u003c\/strong\u003e: J3090\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this Westinghouse breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eExact spec matching for retrofit and replacement projects helps avoid panel incompatibility and eliminates guesswork during maintenance.\u003c\/li\u003e \u003cli\u003eReliable protection for 3-phase loads in commercial and industrial settings, reducing the risk of unplanned outages caused by mismatched protection.\u003c\/li\u003e \u003cli\u003ePart number J3090 is the most dependable reference for compatibility, ensuring you’re selecting the correct unit for your existing hardware.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofits in aging commercial panels where a 90A, 3-pole, 600V rating matches the original protection scheme.\u003c\/li\u003e \u003cli\u003eMaintenance replacements to reduce downtime with a trusted Westinghouse reliability.\u003c\/li\u003e \u003cli\u003eNew equipment installations where a proven 3-pole 600V protection device is required for three-phase systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eFit and ordering guidance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlways verify fit and ratings before ordering. The part number J3090 serves as your best reference for compatibility, ensuring the breaker aligns with your panel labeling, bus configuration, and conductor sizing.\u003c\/p\u003e \u003cp\u003eStocked for dependable performance, the Westinghouse J3090 is a practical, long-lasting choice for professionals who value proper protection and straightforward replacement in three-phase power systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46424394629282,"sku":"J3090","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/westinghouse-j3090-circuit-breaker-90a-3-pole-600v-614.webp?v=1789351133","url":"https:\/\/www.ampstate.com\/products\/westinghouse-j3090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}