{"product_id":"siemens-3va64405jq310aa0-400a-3p-690v-circuit-breaker","title":"Siemens 3VA64405JQ310AA0 400A 3P 690V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens 3VA64405JQ310AA0 is a heavy-duty 400 A, 3-pole, 690 V circuit breaker designed to protect distribution systems in panelboards, load centers, and industrial electrical layouts. Built for everyday electrical work, this unit provides dependable overcurrent protection while supporting retrofit projects and maintenance planning with a consistent part number that stays the same across upgrades.\u003c\/p\u003e \u003ch2\u003eUnique value you’ll notice\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current protection with precision.\u003c\/strong\u003e 400 A capacity makes it ideal for main feeders and essential distribution circuits in commercial and light-industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for balanced, coordinated protection.\u003c\/strong\u003e Supports three-phase systems common in modern facilities, helping prevent nuisance trips and ensuring stable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e690 V compatibility for robust electrical networks.\u003c\/strong\u003e Safe, reliable interruption performance in high-voltage distribution scenarios.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-ready with consistent part number.\u003c\/strong\u003e If you’re updating panels or replacing aging breakers, the fixed model number simplifies sourcing and stock management while reducing downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications across panelboards, load centers, and electrical distribution.\u003c\/strong\u003e A practical choice for service upgrades, facility refreshes, and ongoing maintenance programs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cp\u003eUse this Siemens breaker when you need solid, code-compliant protection for large feeders in:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCommercial panelboards and distribution boards where a reliable 3-pole, 690 V device is required\u003c\/li\u003e \u003cli\u003eIndustrial load centers supplying high-demand equipment and machinery\u003c\/li\u003e \u003cli\u003e Retrofit projects where staying on a consistent part number streamlines procurement and maintenance planning\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility and maintenance planning\u003c\/h2\u003e\n\u003cp\u003eChoosing a breaker with a stable part number like 3VA64405JQ310AA0 supports long-term maintenance strategies. It simplifies inventory, ensures compatibility with existing bus and accessory configurations, and minimizes compatibility risk during panel updates or replacements.\u003c\/p\u003e \u003ch2\u003eTechnical snapshot\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 3VA64405JQ310AA0\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 690 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, load centers, electrical distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm the fit for your specific panel and configuration.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413000507554,"sku":"3VA64405JQ310AA0","price":29912.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-3va64405jq310aa0-400a-3p-690v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}