{"product_id":"siemens-3va6340-5hn31-0aa0-400a-3p-600v-circuit-breaker","title":"Siemens 3VA6340-5HN31-0AA0 Circuit Breaker, 400A, 3-Pole, 600V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eSiemens 3VA6340-5HN31-0AA0 Circuit Breaker\u003c\/strong\u003e—a rugged three-pole protection device built for industrial electrical service, maintenance, and replacement projects. As part of the trusted Rating 3VA6 family, this 400 A, 600 V breaker delivers reliable overcurrent protection for demanding three-phase systems in manufacturing floors, facilities, and service panels.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3VA6340-5HN31-0AA0\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Rating 3VA6\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 \u003ch3\u003eWhy this Siemens 3VA6340-5HN31-0AA0 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDesigned for \u003cstrong\u003eindustrial three-phase distribution\u003c\/strong\u003e, providing consistent protection across all three feeders in 600 V networks.\u003c\/li\u003e \u003cli\u003ePart of the \u003cstrong\u003e3VA6 series\u003c\/strong\u003e, which aligns with Siemens panels and replacement parts for streamlined maintenance and upgrades.\u003c\/li\u003e \u003cli\u003eHigh-current capability of \u003cstrong\u003e400 A\u003c\/strong\u003e makes it a practical choice for feeders and service entrances in mid-to-large scale facilities.\u003c\/li\u003e \u003cli\u003eClear part-number based compatibility focus helps ensure you’re selecting the exact device you need for your application.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed breaker in industrial facilities, warehouses, or manufacturing lines.\u003c\/li\u003e \u003cli\u003eRetrofits and upgrades within existing Siemens panel installations to meet current protection requirements.\u003c\/li\u003e \u003cli\u003eSpare-part readiness for maintenance programs that demand reliable, immediately available 3-phase protection.\u003c\/li\u003e \u003cli\u003eThree-phase distribution protection for large equipment, motors, and critical loads in 600 V networks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eVerify fit by part number\u003c\/strong\u003e and assess your application requirements. The exact part number \u003cem\u003e3VA6340-5HN31-0AA0\u003c\/em\u003e should match the panel configuration, current rating, and the three-pole 600 V specification of your system.\u003c\/p\u003e\n\u003cp\u003eIf you need help matching a part number or confirming compatibility with your equipment, \u003cstrong\u003emessage us and we’ll help\u003c\/strong\u003e ensure you get the right device for your project.\u003c\/p\u003e \u003ch3\u003ePractical considerations for installation and maintenance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConfirm that your distribution network operates at 600 V and that a 400 A, 3-pole device aligns with your feeder requirements.\u003c\/li\u003e \u003cli\u003eHave a qualified electrician perform the installation, following all applicable electrical codes and safety standards.\u003c\/li\u003e \u003cli\u003eKeep this part on hand as a reliable spare for planned maintenance or unexpected downtime to minimize disruption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416091873442,"sku":"3VA6340-5HN31-0AA0","price":13860.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-3va6340-5hn31-0aa0-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}