{"product_id":"westinghouse-nb21200s-circuit-breaker","title":"Westinghouse | NB21200S | Circuit Breaker | 1200A | 2-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse NB21200S Circuit Breaker — a high-capacity, bolt-on protective device engineered for reliability in demanding electrical installations. With a 1200 A amperage rating, 2-pole configuration, and 600 V maximum, this breaker is designed to handle heavy loads while maintaining clear, predictable trip behavior when faults occur.\u003c\/p\u003e \u003cp\u003eDesigned for maintenance, retrofit, and replacement projects, the NB21200S supports quick field swaps and secure mounting. The bolt-on design enables solid connections in compatible panels, reducing installation time and minimizing service downtime.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 1200 A for robust overcurrent protection in heavy-load circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 2-pole design to protect two conductors and support simultaneous disconnection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V, suitable for a wide range of industrial and commercial systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-on installation for dependable, time-saving service in the field\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility reference:\u003c\/strong\u003e Part number NB21200S is the clearest indicator for matching fit and ratings\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for professionals maintaining Westinghouse panels or retrofitting older gear to meet current protection requirements, this breaker helps keep critical equipment powered safely and reliably. Use cases include upgrading feeder protection, replacing failed breakers, or stocking a ready-to-install spare for service teams.\u003c\/p\u003e \u003cp\u003eImportant: Confirm fit and ratings before ordering. The NB21200S part number is the best reference for compatibility with your panel and electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427172339874,"sku":"NB21200S","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/westinghouse-nb21200s-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}