{"product_id":"westinghouse-kb3250wsk-circuit-breaker","title":"Westinghouse | KB3250WSK | Circuit Breaker | 250A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the \u003cstrong\u003eWestinghouse KB3250WSK Circuit Breaker\u003c\/strong\u003e — a robust, purpose-built solution for safeguarding three-phase power in industrial and commercial panels. With a \u003cstrong\u003e250A\u003c\/strong\u003e rating and a \u003cstrong\u003e600V\u003c\/strong\u003e maximum, this breaker is designed to reliably interrupt fault currents and protect wiring, equipment, and personnel in demanding environments.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\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:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e KB3250WSK\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNotes: Confirm fit and ratings before ordering. The part number \u003cstrong\u003eKB3250WSK\u003c\/strong\u003e is the best reference for compatibility, ensuring a seamless retrofit or replacement in existing panels.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eThis Westinghouse KB3250WSK is purpose-built for \u003cstrong\u003emaintenance, retrofit, and replacement\u003c\/strong\u003e when matching specifications are essential. It provides consistent tri-phase protection, which is critical for motors, conveyors, and other 3-phase loads. By aligning with the exact \u003cstrong\u003e250A\u003c\/strong\u003e, \u003cstrong\u003e3-Pole\u003c\/strong\u003e, and \u003cstrong\u003e600V\u003c\/strong\u003e spec, you minimize downtime and cabinet modification while preserving accurate protection characteristics.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Replace worn or malfunctioning breakers in service panels to restore reliable protection without surprises.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit:\u003c\/strong\u003e Upgrade or reconfigure existing 3-phase circuits to a known, compatible spec that matches your panel’s bus arrangement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReplacement:\u003c\/strong\u003e Stand-in for legacy breakers in equipment racks and switchgear where the KB3250WSK spec is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways verify fit and ratings against your panel’s documentation before ordering.\u003c\/li\u003e \u003cli\u003eUse the \u003cstrong\u003eKB3250WSK\u003c\/strong\u003e part number as the primary compatibility reference to avoid mismatches.\u003c\/li\u003e \u003cli\u003eEnsure the panel supports 600V systems and 250A overcurrent protection with a 3-pole configuration.\u003c\/li\u003e \u003cli\u003eFollow all local electrical codes and the manufacturer’s installation guidelines during replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427250622626,"sku":"KB3250WSK","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-kb3250wsk-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}