{"product_id":"siemens-3va5140-4ed21-0aa0-40a-2p-480v-circuit-breaker","title":"Siemens 3VA5140-4ED21-0AA0 Circuit Breaker, 40A, 2-Pole, 480V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens 3VA5140-4ED21-0AA0 is a high-reliability circuit breaker designed for demanding industrial electrical service, routine maintenance, and replacement projects. With a 40 A rating and two poles, this unit provides robust overcurrent protection for 480 V systems, helping safeguard equipment and maintain operational uptime in busy facilities. Use the exact part number to confirm compatibility with your Siemens panels and installation requirements.\u003c\/p\u003e \u003ch3\u003eKey specifications\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 3VA5140-4ED21-0AA0\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 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned for reliability in industrial environments, this 3VA-series style breaker delivers accurate protection for distribution circuits operating at 480 V. Its 2-pole configuration ensures simultaneous interruption of both hot legs, enhancing safety and fault isolation. By using the precise part number—3VA5140-4ED21-0AA0—you can confirm exact fit and electrical characteristics for your application, reducing the risk of mismatched replacements.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eNew installations in factories, warehouses, or processing plants that run on 480 V\u003c\/li\u003e \u003cli\u003ePanel maintenance and component upgrades within existing Siemens-based electrical systems\u003c\/li\u003e \u003cli\u003eReplacement of degraded protective devices to restore reliable overcurrent protection\u003c\/li\u003e \u003cli\u003eSpare parts inventories for high-uptime industrial environments\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and support\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Verify fit by part number and application requirements. If you’re unsure about compatibility, we can help confirm that 3VA5140-4ED21-0AA0 matches your equipment and protection needs—feel free to message us for guidance.\u003c\/p\u003e \u003cp\u003eWhen you choose this Siemens circuit breaker, you’re investing in durable protection for your 480 V distribution and two-pole circuits, designed to integrate smoothly with appropriate Siemens electrical infrastructure and service workflows. It’s a practical, purpose-built solution for industrial service, maintenance, and replacement projects that demand dependable, ready-to-install protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415890088098,"sku":"3VA5140-4ED21-0AA0","price":1319.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-3va5140-4ed21-0aa0-circuit-breaker-40a-2-pole-480v-breakers-953.webp?v=1789207562","url":"https:\/\/www.ampstate.com\/products\/siemens-3va5140-4ed21-0aa0-40a-2p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}