{"product_id":"westinghouse-hfb31550ml-circuit-breaker","title":"Westinghouse | HFB31550ML | Circuit Breaker | 3-Pole | 600V | Feed-Through","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse HFB31550ML: a purpose-built 3-pole, 600V feed-through circuit breaker designed for demanding industrial and commercial panels. Built for maintenance, retrofit, and replacement projects, this unit delivers dependable protection with a focus on precise compatibility and straightforward wiring.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole protection\u003c\/strong\u003e delivers coordinated, reliable control across three phases, ideal for multi-phase electrical systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V voltage rating\u003c\/strong\u003e suitable for heavy-duty applications common in industrial and commercial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFeed-Through design\u003c\/strong\u003e simplifies wiring within panels by providing direct-through terminals, helping to organize feeders and reduce terminal clutter.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement ready\u003c\/strong\u003e engineered for scenarios where exact specs matter and downtime is minimized by a straightforward swap-in solution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number reference\u003c\/strong\u003e HFB31550ML is the clearest compatibility identifier—always verify fit and ratings before ordering to ensure a seamless installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWho benefits from the Westinghouse HFB31550ML?\u003c\/h2\u003e\n\u003cp\u003eElectrical technicians, panel builders, and facility managers working in environments with three-phase power will appreciate the clear compatibility signals and reliable performance of this unit. It’s especially well-suited for retrofit projects where a like-for-like replacement is required, as well as routine maintenance where keeping a consistent, trusted breaker in service matters most.\u003c\/p\u003e \u003ch2\u003eKey use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects that require a direct 3-pole, 600V feed-through breaker with familiar Westinghouse reliability.\u003c\/li\u003e \u003cli\u003eMaintenance swaps in existing 3-phase panels where space and wiring discipline benefit from feed-through terminals.\u003c\/li\u003e \u003cli\u003eReplacement of aging breakers in industrial equipment, ensuring continued protection for critical loads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e \u003cli\u003eConfiguration: Feed-Through\u003c\/li\u003e \u003cli\u003ePart number: HFB31550ML\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number HFB31550ML is the best reference for compatibility, and matching it to your panel’s specifications will help ensure a smooth, reliable installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46424363794594,"sku":"HFB31550ML","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/westinghouse-hfb31550ml-circuit-breaker-3-pole-600v-feed-through-279.webp?v=1789344521","url":"https:\/\/www.ampstate.com\/products\/westinghouse-hfb31550ml-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}