{"product_id":"siemens-3va6340-8jq31-0aa0-400a-3p-600v-circuit-breaker","title":"Siemens 3VA6340-8JQ31-0AA0 Circuit Breaker, 400A, 3-Pole, 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens 3VA6340-8JQ31-0AA0 Circuit Breaker — a robust, industrial-grade solution designed to protect and control high-demand electrical systems. Built for reliability in maintenance, service, and replacement projects, this 3-pole unit delivers solid performance in demanding environments where uptime and safety matter.\u003c\/p\u003e \u003cp\u003eKey advantages at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400 A rating\u003c\/strong\u003e provides strong protection for main feeders and large equipment in three-phase systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e supports balanced protection across all phases, helping prevent phase imbalances and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V maximum operating voltage\u003c\/strong\u003e suits a wide range of industrial distribution panels, motor circuits, and power feeds.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number accuracy\u003c\/strong\u003e use the exact model 3VA6340-8JQ31-0AA0 to confirm compatibility with your application requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-grade build\u003c\/strong\u003e engineered for frequent maintenance cycles and replacement scenarios common in factories, processing plants, and large facilities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho is this ideal for?\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFacility managers overseeing powered industrial plants and manufacturing lines who need dependable, compatible circuit protection.\u003c\/li\u003e \u003cli\u003eElectrical engineers conducting panel upgrades, retrofits, or equipment replacement projects.\u003c\/li\u003e \u003cli\u003eMaintenance teams seeking a ready-to-install breaker that matches existing Siemens equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing an outdated or failed main breaker in a three-phase distribution panel.\u003c\/li\u003e \u003cli\u003eUpgrading feeder protection for high-load motors and conveyors in manufacturing settings.\u003c\/li\u003e \u003cli\u003eIntegrating a compatible Siemens unit into new installations where a 400 A, 3-pole, 600 V breaker is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify fit by cross-checking the part number 3VA6340-8JQ31-0AA0 with your application requirements before purchase.\u003c\/li\u003e \u003cli\u003eProfessional installation is recommended to ensure proper mounting, electrical connections, and safety compliance.\u003c\/li\u003e \u003cli\u003eConfirm panel and busbar compatibility with the provided part number to avoid fitment issues during replacement or retrofits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\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 3VA6340-8JQ31-0AA0\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\n\u003c\/ul\u003e \u003cp\u003eIf you’re unsure about compatibility or need guidance to match this part with your exact panel model or application, send us a message — we’re ready to help confirm the fit and get you the right Siemens breaker for your project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416091414690,"sku":"3VA6340-8JQ31-0AA0","price":21640.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-3va6340-8jq31-0aa0-circuit-breaker-400a-3-pole-600v-breakers-796.webp?v=1789235142","url":"https:\/\/www.ampstate.com\/products\/siemens-3va6340-8jq31-0aa0-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}