{"product_id":"westinghouse-315c043g16-circuit-breaker","title":"Westinghouse | 315C043G16 | Circuit Breaker | 400A | 3-Pole | 415V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse \u003cstrong\u003e315C043G16 Circuit Breaker\u003c\/strong\u003e — a purpose-built protective device for demanding electrical systems. With a \u003cstrong\u003e400A\u003c\/strong\u003e rating, a \u003cstrong\u003e3-pole\u003c\/strong\u003e configuration, and operation at \u003cstrong\u003e415V\u003c\/strong\u003e, this breaker is designed for three-phase distribution in industrial and commercial environments. It excels in maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 415V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: 315C043G16 (best reference for compatibility)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this Westinghouse model\u003c\/h3\u003e\n\u003cp\u003eUnlike generic breakers, the \u003cstrong\u003e315C043G16\u003c\/strong\u003e is chosen for precise spec alignment with Westinghouse panels and compatible equipment. Its \u003cstrong\u003e400-amp, 3-pole design\u003c\/strong\u003e provides reliable protection for high-load three-phase feeders, helping to safeguard motors, transformers, and distribution circuits. The \u003cstrong\u003e415V rating\u003c\/strong\u003e suits many commercial and industrial power systems, reducing the need for awkward step-down configurations during installs.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 315C043G16 in an existing Westinghouse or compatible panel\u003c\/li\u003e \u003cli\u003eRetrofits where your system operates on 415V three-phase supply and requires a 400A feeder breaker\u003c\/li\u003e \u003cli\u003eMaintenance upgrades to ensure continuity and safety in heavy electrical cabinets\u003c\/li\u003e \u003cli\u003eNew installations in facilities with standard 415V three-phase distribution that demand robust overcurrent protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and how to order\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003epart number 315C043G16\u003c\/strong\u003e is your best reference for compatibility. Before ordering, verify that your panel, bus configuration, and rating align with this model's 3-pole design and 415V operation. When in doubt, cross-check your panel's labeling and internal schematics against the 315C043G16 specifications to minimize downtime and ensure a seamless replacement.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and safety\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down the equipment and lockout\/tagout before replacing any circuit breaker\u003c\/li\u003e \u003cli\u003eConfirm torque specs and terminal sizes according to the panel’s installation manual\u003c\/li\u003e \u003cli\u003eInspect surrounding wiring for wear and replace damaged conductors to avoid nuisance trips\u003c\/li\u003e \u003cli\u003eKeep spare 315C043G16 units on hand for planned maintenance windows to reduce system downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427328282786,"sku":"315C043G16","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-315c043g16-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}