{"product_id":"siemens-3va5445-5ec31-0aa0-450a-3p-480v-circuit-breaker","title":"Siemens 3VA5445-5EC31-0AA0 Circuit Breaker, 450A, 3-Pole, 480V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens 3VA5445-5EC31-0AA0 Circuit Breaker is built for demanding industrial environments where reliable three‑phase protection matters. With a 450 A rating and a 3‑pole configuration at 480 V, this device is designed to safeguard heavy electrical loads, minimize downtime, and simplify maintenance in service, repair, and replacement projects.\u003c\/p\u003e \u003ch3\u003eWhy this Siemens circuit breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact part-number compatibility\u003c\/strong\u003e: Use the model 3VA5445-5EC31-0AA0 to confirm fit for your application. Compatibility checks by part number and intended use ensure you don’t overbuy or miss a critical specification.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection for balanced, robust safety\u003c\/strong\u003e: Handles all three hot conductors in a 3‑phase system to deliver coordinated interruption and reduce fault propagation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability\u003c\/strong\u003e: 450 A capacity supports substantial loads and equipment with higher surge or startup current, helping to prevent nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOptimized for 480 V distribution\u003c\/strong\u003e: Suited for standard industrial electrical networks, aligning with common feeders and equipment across factories and facilities.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, maintenance-friendly design\u003c\/strong\u003e: Engineered for frequent operation in industrial settings, with the reliability you expect from Siemens protection devices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEmergency replacements in existing Siemens panels when your protection device reaches end of life or fails.\u003c\/li\u003e \u003cli\u003ePanel upgrades or retrofits that require a 3-pole, 450 A solution to safely distribute three-phase power.\u003c\/li\u003e \u003cli\u003eNew installations in facilities that demand dependable Siemens protection to meet safety, compliance, and uptime goals.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for verifying compatibility\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit by part number (3VA5445-5EC31-0AA0) and review your application requirements before purchase.\u003c\/li\u003e \u003cli\u003eIf you’re unsure about compatibility with your current gear, reach out so we can help verify the match by part number and application context.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecification snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 3VA5445-5EC31-0AA0\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 450 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who demand precise compatibility and dependable protection, the Siemens 3VA5445-5EC31-0AA0 is an essential component for safeguarding industrial power distribution. Ready to verify compatibility and proceed with your project? Send a note and we’ll assist with part-number validation and next-step guidance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415884222626,"sku":"3VA5445-5EC31-0AA0","price":9040.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/siemens-3va5445-5ec31-0aa0-450a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}