{"product_id":"siemens-3va5445-5ef31-0aa0-450a-3p-600v-circuit-breaker","title":"Siemens 3VA5445-5EF31-0AA0 450A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens 3VA5445-5EF31-0AA0, a robust three-pole circuit breaker built for everyday electrical work in panelboards, load centers, and centralized distribution. Designed to protect high-capacity circuits, this 450 A device anchors reliable protection for demanding commercial or industrial electrical systems while supporting retrofit projects and maintenance planning that relies on a consistent part number.\u003c\/p\u003e \u003ch2\u003eKey specifications at a glance\u003c\/h2\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 3VA5445-5EF31-0AA0\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\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 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, load centers, and electrical distribution systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eChoosing a Siemens 3VA5445-5EF31-0AA0 means tapping into a proven, reliable solution from a trusted electrical manufacturer. Its 3‑pole design is ideal for balanced three-phase systems, helping to maintain stable distribution across multiple circuits. The 450 A rating makes it suitable for mid-to-high demand environments, while the 600 V rating ensures compatibility with common industrial and commercial power systems. The device is purpose-built to simplify retrofit work and ongoing maintenance by preserving a consistent part number, reducing the risk of misfits during part swaps.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where keeping the same part number simplifies stocking and service history\u003c\/li\u003e \u003cli\u003eMaintenance planning for panelboards and load centers in commercial facilities or light industrial settings\u003c\/li\u003e \u003cli\u003eSpare parts strategy for critical distribution networks requiring dependable protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it compares and why it matters\u003c\/h3\u003e\n\u003cp\u003eWhen reliability and compatibility matter, this Siemens circuit breaker delivers a straightforward, compatible solution for large distribution panels. It’s designed to slot into existing configurations without forcing a broader panel replacement, which helps keep downtime to a minimum and maintenance events predictable. If you’re replacing or stocking for ongoing service, the 3VA5445-5EF31-0AA0 provides a clear, consistent path to sustained electrical protection.\u003c\/p\u003e \u003ch3\u003eCompatibility and expert support\u003c\/h3\u003e\n\u003cp\u003eAmpState stocks this part for convenient procurement. If you’re unsure about fit or compatibility with your specific panel or distribution setup, \u003cstrong\u003emessage us\u003c\/strong\u003e and we’ll help you confirm the best match and ensure proper inclusion in your service plan.\u003c\/p\u003e \u003ch3\u003ePractical tips for deployment\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panelboard or load center supports a 3-pole, 450 A, 600 V breaker of the Siemens 3VA5445-5EF31-0AA0 specification.\u003c\/li\u003e \u003cli\u003eUse this part as a stable reference point in maintenance planning to simplify ordering and reduce misloads during service events.\u003c\/li\u003e \u003cli\u003eKeep a labeled spare on hand to minimize downtime during routine protection system maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re upgrading an existing distribution network or planning routine maintenance, the Siemens 3VA5445-5EF31-0AA0 delivers dependable protection with the reliability of Siemens engineering and the convenience of consistent part-number usage. Ready to confirm compatibility or place an order? AmpState is ready to assist you in securing the right fit for your next service project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413702168738,"sku":"3VA5445-5EF31-0AA0","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-3va5445-5ef31-0aa0-450a-3p-600v-circuit-breaker-ampstate-575.webp?v=1789084661","url":"https:\/\/www.ampstate.com\/products\/siemens-3va5445-5ef31-0aa0-450a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}