{"product_id":"siemens-3va5140-4ef31-0aa0-40a-3p-600v-circuit-breaker","title":"Siemens 3VA5140-4EF31-0AA0 40A 3P 600V Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens \u003cstrong\u003e3VA5140-4EF31-0AA0\u003c\/strong\u003e is a purpose-built circuit breaker designed to deliver reliable overcurrent protection for three-phase electrical systems. Built for panelboards, load centers, and distributed power schemes, this 40 A, 3-pole device ensures consistent protection where system uptime matters most.\u003c\/p\u003e \u003cp\u003eKey to retrofit projects and maintenance planning, this bolt-on model maintains the familiar Siemens part number while providing a secure, straightforward installation path. Its 600 V rating supports a wide range of commercial and light industrial applications, making it a practical choice for upgrades, replacements, and service activities that require dependable, field-proven protection.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting type:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 3VA5140-4EF31-0AA0\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Available from AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this model matters\u003c\/h2\u003e\n\u003cp\u003eFor electrical distribution, a 3-pole breaker at 40 A provides precise protection for balanced three-phase circuits, safeguarding motors and other equipment from overloads. The bolt-on design streamlines retrofits and service replacements, reducing downtime and ensuring a snug, durable connection in panelboards and load centers. By sticking with the 3VA5140-4EF31-0AA0 part number, maintenance teams can maintain consistent inventories and documentation across satisfyingly similar installations.\u003c\/p\u003e \u003ch2\u003eUse cases and ideal environments\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where existing installations rely on Siemens 3VA-series breakers and part-number continuity matters\u003c\/li\u003e \u003cli\u003eMaintenance planning for commercial and light-industrial panels needing reliable 40 A protection on 3-phase circuits\u003c\/li\u003e \u003cli\u003ePanelboard and load-center upgrades that require a secure bolt-on mounting solution\u003c\/li\u003e \u003cli\u003eSpare-part stock for service technicians who service Siemens-based electrical distributions\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical tips for installation and compatibility\u003c\/h2\u003e\n\u003cp\u003eBefore installation, verify that your panelboard accepts bolt-on breakers in the Siemens 3VA family and that the system voltage aligns with the 600 V rating. The bolt-on mounting provides a robust seating that simplifies field replacements and minimizes rework during maintenance cycles. If you’re uncertain about fit, AmpState can assist in confirming compatibility with your specific panel and distribution setup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413704888482,"sku":"3VA5140-4EF31-0AA0","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-3va5140-4ef31-0aa0-40a-3p-600v-circuit-breaker-bolt-239.webp?v=1789085372","url":"https:\/\/www.ampstate.com\/products\/siemens-3va5140-4ef31-0aa0-40a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}