{"product_id":"siemens-3va6340-6hn31-0aa0","title":"Siemens 3VA6340-6HN31-0AA0 0A 3-Pole 3 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens 3VA6340-6HN31-0AA0, a specialized 0 A current-rated, 3-pole circuit breaker with an integrated potential transformer. This compact module is designed for precise voltage sensing in three-phase power systems, streamlining protection and metering within a single, easy-to-install unit.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e supports full 3‑phase protection in a single module, reducing wiring complexity and panel space.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e0 A current rating\u003c\/strong\u003e indicates the unit is intended for sensing and control circuits rather than carrying main load, making it ideal for protective relays and low-voltage measurement paths.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating of 3 V\u003c\/strong\u003e provides a safe, low-voltage signal suitable for accurate monitoring and metering inputs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated potential transformer\u003c\/strong\u003e delivers reliable voltage sampling for protection relays, fault detection, and digital meters without the need for separate transformers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number specificity\u003c\/strong\u003e 3VA6340-6HN31-0AA0 ensures seamless compatibility with Siemens switchgear, panels, and replacement catalogs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged industrial design\u003c\/strong\u003e built to withstand the demands of control rooms, distribution panels, and machine enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and scenarios\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIn new or retrofit control panels where accurate voltage sensing across all three phases is required for protection relays and monitoring equipment.\u003c\/li\u003e \u003cli\u003eIn compact switchgear installations, where integrating the transformer and breaker reduces wiring complexity and saves panel footprint.\u003c\/li\u003e \u003cli\u003eFor OEM panel builders who need a reliable, Siemens-compatible solution that simplifies procurement and installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat makes this unit stand out\u003c\/p\u003e \u003cul\u003e \u003cli\u003eConsolidates protection and sensing into one robust module, improving reliability and reducing potential wiring errors.\u003c\/li\u003e \u003cli\u003eDesigned for seamless integration with Siemens protection and automation ecosystems, minimizing integration risk and downtime.\u003c\/li\u003e \u003cli\u003eClear part identification with 3VA6340-6HN31-0AA0, aiding quick replacements and inventory management for maintenance teams.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips\u003c\/p\u003e \u003cul\u003e \u003cli\u003eConfirm that your sensing and control circuitry accepts a 3 V input from the integrated transformer for accurate readings.\u003c\/li\u003e \u003cli\u003ePlan for protective relays and meters that can utilize low-voltage signals derived from the transformer for real-time monitoring.\u003c\/li\u003e \u003cli\u003eKeep a spare 3VA6340-6HN31-0AA0 on hand to minimize downtime during maintenance or panel upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who demand precise voltage sensing, reliable protection, and streamlined installation in three-phase systems, the Siemens 3VA6340-6HN31-0AA0 0A 3-Pole 3 V Circuit Breaker Potential Transformer delivers a targeted, industrial-grade solution for modern control panels and switchgear.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423171203234,"sku":"3VA6340-6HN31-0AA0","price":13978.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-3va6340-6hn31-0aa0-0a-3-pole-v-circuit-breaker-potential-845.webp?v=1789278439","url":"https:\/\/www.ampstate.com\/products\/siemens-3va6340-6hn31-0aa0","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}