{"product_id":"siemens-3va6340-0hm31-0aa0-400a-3p-480v-circuit-breaker","title":"Siemens 3VA6340-0HM31-0AA0 400A 3P 480V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens 3VA6340-0HM31-0AA0 — a rugged three-pole circuit breaker crafted for serious panel protection in 3-phase electrical systems. With a 400 A rating and 480 V operation, this device is built to safeguard panelboards, load centers, and electrical distribution networks while delivering reliable performance when it matters most. It’s a smart pick for maintenance teams and panel builders who demand exact part-number compatibility for efficient sourcing, stock management, and rapid field replacements. Available from AmpState, this part-number-matters solution keeps your spare inventory aligned with your Siemens installations.\u003c\/p\u003e \u003ch3\u003eWhy this Siemens circuit breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact part-number compatibility\u003c\/strong\u003e — 3VA6340-0HM31-0AA0 is designed to fit Siemens panelboards and distribution assemblies, reducing sourcing risk and downtime from mismatches.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current, three-phase protection\u003c\/strong\u003e — 400 A capacity across 3 poles in a 480 V system, ideal for protecting heavy loads and motor-driven equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStrategic stocking for maintenance\u003c\/strong\u003e — A dependable spare that shortens repair windows and keeps critical systems online during service calls.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted Siemens reliability\u003c\/strong\u003e — Built to meet standard electrical distribution protection requirements, ensuring consistent performance in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability through AmpState\u003c\/strong\u003e — Ready-to-ship status with expert compatibility support to confirm fit when you need it most.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eStocking a dedicated spare for facilities with 3-phase, 480 V distribution to minimize downtime during faults or scheduled maintenance.\u003c\/li\u003e \u003cli\u003eReplacement in Siemens panelboards and load centers in industrial settings where exact part-number match matters for warranty and performance guarantees.\u003c\/li\u003e \u003cli\u003eSpec-driven projects where panel builders specify Siemens components for consistent electrical protection and compatibility across assemblies.\u003c\/li\u003e \u003cli\u003eRetrofits and upgrades in manufacturing floors where reliable overcurrent protection is critical for uptime and safety compliance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes it different from generic breakers\u003c\/h3\u003e\n\u003cp\u003eUnlike generic substitutes, the Siemens 3VA6340-0HM31-0AA0 is engineered to pair precisely with Siemens equipment, aligning with standard mounting, trip characteristics, and electrical distribution expectations. The direct part-number match minimizes cross-reference work, streamlines procurement, and delivers predictable performance during overcurrent events—crucial for mission-critical panel protection and long-term maintenance planning.\u003c\/p\u003e \u003ch3\u003eHow to confirm fit and install\u003c\/h3\u003e\n\u003cp\u003eBegin by verifying the exact part number 3VA6340-0HM31-0AA0 against the target Siemens equipment. Confirm system voltage (480 V), the three poles (3P), and the amperage rating (400 A) to ensure proper coverage for your three-phase distribution. If you need a second pair of eyes on compatibility, AmpState support is ready to help confirm fit and suggest appropriate alternatives within the Siemens line.\u003c\/p\u003e \u003cp\u003eReady to secure dependable, Siemens-aligned protection for your panelboards and load centers? Add the Siemens 3VA6340-0HM31-0AA0 400 A 3P 480V circuit breaker from AmpState to your cart and simplify your electrical distribution maintenance and procurement.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413701251234,"sku":"3VA6340-0HM31-0AA0","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/siemens-3va6340-0hm31-0aa0-400a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}