{"product_id":"westinghouse-315c043g20-circuit-breaker","title":"Westinghouse | 315C043G20 | Circuit Breaker | 400A | 3-Pole | 415V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse 315C043G20 Circuit Breaker — a robust, three-phase protection device designed for industrial and commercial electrical systems demanding reliability and easy retrofitting.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole (three-phase protection)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 415 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number reference:\u003c\/strong\u003e 315C043G20 (best compatibility reference)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned to fit within established Westinghouse and compatible panel configurations, this circuit breaker preserves system integrity while speeding up replacements. Before ordering, confirm fit and ratings to ensure seamless integration with your equipment and protective coordination with upstream devices.\u003c\/p\u003e \u003ch3\u003eWhy this Westinghouse circuit breaker stands out\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eReliable three-phase protection:\u003c\/strong\u003e The 3-Pole design protects all three lines in a standard three-phase 415V network, helping prevent equipment damage from overloads or short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability:\u003c\/strong\u003e With a 400 A rating, it handles substantial load demands typical in industrial panels, MCCs, and large machinery feeders.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-ready:\u003c\/strong\u003e The 315C043G20 form factor is chosen for maintenance and replacement projects where exact specs are critical, reducing downtime and system modification needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReplacing a failed breaker in an existing 3-phase, 415V distribution panel without rewiring or panel reconfiguration.\u003c\/li\u003e \u003cli\u003eUpgrading protection in manufacturing lines, CNC machines, or HVAC systems that operate on 400 A 3-phase loads.\u003c\/li\u003e \u003cli\u003eMaintaining critical systems in data centers or facilities where consistent trip performance and coordination with upstream protection matter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e electrical maintenance teams, facility managers, electrical contractors, and systems integrators who need a dependable, plug-compatible replacement that matches exact specifications.\u003c\/p\u003e \u003cp\u003eTips for optimal results:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eVerify that your panel and bus configuration align with the 3-Pole 415 V rating before purchase.\u003c\/li\u003e \u003cli\u003eKeep the \u003cem\u003e315C043G20\u003c\/em\u003e part number handy as the definitive reference for compatibility checks.\u003c\/li\u003e \u003cli\u003eStore spares in a controlled environment to prevent corrosion or contact deterioration, ensuring rapid response during outages.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBring reliable protection to your electrical system with the Westinghouse 315C043G20 Circuit Breaker. It's not just a replacement—it's a strategic upgrade that keeps your critical processes running smoothly, with a focus on safety, longevity, and ease of install.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427328151714,"sku":"315C043G20","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-315c043g20-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}