{"product_id":"siemens-3va6340-0hn31-0aa0-400a-3p-600v-circuit-breaker","title":"Siemens 3VA6340-0HN31-0AA0 400A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens 3VA6340-0HN31-0AA0 is a robust circuit breaker designed to protect essential electrical distribution paths in panelboards, load centers, and similar infrastructure. With a 400 A rating, 3 poles, and a 600 V maximum, this unit delivers reliable, three-phase overcurrent protection where it matters most in industrial and commercial settings.\u003c\/p\u003e \u003cp\u003eDesigned for retrofit work and maintenance planning, this exact part number helps you keep documentation, spares, and field service consistent across facilities. When part-number fidelity is important—such as in multi-site deployments or legacy installations—the Siemens 3VA6340-0HN31-0AA0 ensures you’re always sourcing the right device without guesswork.\u003c\/p\u003e \u003cp\u003eKey details at a glance\u003c\/p\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 3VA6340-0HN31-0AA0\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 400 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 \u003cp\u003eWhat makes this breaker stand out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eOEM consistency for retrofits\u003c\/strong\u003e – keep exact part numbers across installations to simplify ordering, stocking, and maintenance planning.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSolid three-phase protection\u003c\/strong\u003e – 3-pole configuration is ideal for distributed three-phase circuits common in commercial and industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current readiness\u003c\/strong\u003e – 400 A capacity supports substantial feeder loads and main distribution paths without compromising protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBroad compatibility\u003c\/strong\u003e – 600 V rating fits a wide range of industrial equipment and panelboard architectures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExpert compatibility support\u003c\/strong\u003e – AmpState can assist with part-number matching and fit confirmation to minimize downtime and uncertainty.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho this is for: facilities managers, electrical contractors, and procurement teams responsible for reliable, scalable electrical distribution in manufacturing facilities, office campuses, data centers, and other buildings where uptime is critical.\u003c\/p\u003e \u003cp\u003ePractical use scenarios include planned replacements in aging Siemens panelboards, upgrades that require a consistent Siemens part-numbering approach, and emergency spares that keep maintenance windows short. If you’re unsure about compatibility or fit, message us—AmpState is ready to help confirm the right match for your panelboard or load center.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413701218466,"sku":"3VA6340-0HN31-0AA0","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-3va6340-0hn31-0aa0-400a-3p-600v-circuit-breaker-ampstate-810.webp?v=1789084449","url":"https:\/\/www.ampstate.com\/products\/siemens-3va6340-0hn31-0aa0-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}