{"product_id":"siemens-3va94730qa00-400a-3p-circuit-breaker","title":"Siemens 3VA94730QA00 Circuit Breaker, 400A, 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens 3VA94730QA00 circuit breaker — a purpose-built solution for demanding industrial electrical service, maintenance, and replacement projects. Designed to deliver dependable three-phase protection, this 3-pole unit (3P) carries a robust 400 A rating to safeguard large electrical feeders and distribution circuits with precision and reliability.\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 (three-pole, 3P) configuration for complete three-phase protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3VA94730QA00\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Ideal for industrial service, routine maintenance, and replacement projects requiring a compatible Siemens breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this breaker stands out: it’s built to withstand the rigors of industrial environments while delivering predictable tripping performance when faults occur. The 3VA94730QA00 is not just a component—it's a strategic choice for reliability in three-phase systems, helping minimize downtime and protect expensive equipment connected to high-load circuits.\u003c\/p\u003e \u003cp\u003eKey use cases include protecting large feeders, motor control centers, and other three-phase infrastructure in industrial facilities. It’s particularly well-suited for projects where exact part-number compatibility is essential. To ensure a perfect fit, verify the application requirements and confirm compatibility using the part number 3VA94730QA00 before purchasing or replacing existing breakers.\u003c\/p\u003e \u003cp\u003eWhat to expect in practice: a rugged, industrial-grade circuit breaker designed to plug into compatible Siemens panels and gear, backed by Siemens’ engineering standards. If you’re updating an aging installation or stocking a spare for critical maintenance, this 3P, 400 A unit offers a clear path to reliable, long-term protection for your three-phase electrical system.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCompatibility reminder:\u003c\/strong\u003e Always confirm fit by part number (3VA94730QA00) and review your specific application requirements to ensure seamless integration and compliant operation within your equipment lineup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415521448098,"sku":"3VA94730QA00","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-3va94730qa00-circuit-breaker-400a-3-pole-breakers-566.webp?v=1789162642","url":"https:\/\/www.ampstate.com\/products\/siemens-3va94730qa00-400a-3p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}