{"product_id":"westinghouse-ma3450-circuit-breaker","title":"Westinghouse | MA3450 | Circuit Breaker | 450A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse MA3450 circuit breaker — a robust 3-pole, 450A unit designed for demanding three-phase power systems. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker ensures reliable control of your 600V distribution network.\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 450A\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 reference:\u003c\/strong\u003e MA3450\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this MA3450 matters for your project\u003c\/h3\u003e\n\u003cp\u003eWhen upgrading an electrical panel or swapping a failed breaker, compatibility is everything. The MA3450 is the exact part number to reference if your system requires a 450A, 3-pole, 600V solution. Using the correct part minimizes downtime and ensures safe, predictable operation across your three-phase network.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance activities in industrial facilities that rely on 600V three-phase distribution\u003c\/li\u003e \u003cli\u003eRetrofits that modernize aging panels while preserving established wiring configurations\u003c\/li\u003e \u003cli\u003eReplacement scenarios where a precise spec match prevents mismatched trip characteristics or fit issues\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho should consider this breaker\u003c\/h3\u003e\n\u003cp\u003eElectrical contractors, facilities engineers, and maintenance teams responsible for commercial and light industrial power systems with three-phase 600V rails will find the MA3450 a reliable, exact-spec replacement.\u003c\/p\u003e \u003ch3\u003ePractical tips for selection and installation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify the panel's compatibility by matching the part number MA3450, amperage (450A), poles (3), and voltage (600V) with the existing equipment label\u003c\/li\u003e \u003cli\u003eDouble-check fit and ratings before ordering to avoid compatibility issues\u003c\/li\u003e \u003cli\u003eConsult your panel's documentation for acceptable trip characteristics and mounting compatibility\u003c\/li\u003e \u003cli\u003eFollow best safety practices and local electrical codes during installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNotes: Confirm fit and ratings before ordering. The MA3450 part number is your best reference for compatibility with three-phase, 600V systems needing a 450A, 3-pole breaker.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427175157922,"sku":"MA3450","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/westinghouse-ma3450-circuit-breaker-450a-3-pole-600v-481.webp?v=1789677858","url":"https:\/\/www.ampstate.com\/products\/westinghouse-ma3450-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}