{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1340-5EF32-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1340-5EF32-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1340-5EF32-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1340-5EF32-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1340-5EF32-0AA0, molded case circuit breaker, 3-pole, 400 A, line protection, TM240 overcurrent release, 110 mm depth, 138 mm width, 248 mm height.","salesMarkdown":"The 400 A rating holds steady through 50 °C; above that, it derates to 392 A at 55 °C, 384 A at 60 °C, 376 A at 65 °C, and 367 A at 70 °C, so a warm enclosure or high-ambient panel needs that curve checked against the actual load. Interrupting capacity is the headline here: 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 11.9 kA at 690 V. ## Panel integration The 3-pole breaker measures 110 mm deep, 138 mm wide, and 248 mm tall — a standard SENTRON 3VA frame footprint. It mounts directly on a DIN rail or via screw-mount lugs in a distribution panel.","metaTitle":"Siemens 3VA1340-5EF32-0AA0 SENTRON MCCB, 400 A, 3-Pole, Line","metaDescription":"Siemens 3VA1340-5EF32-0AA0 SENTRON molded case circuit breaker, 400 A continuous, 3-pole, line protection. Interrupting capacity 187 kA at 240 V. Current production. Quoted to orde","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"110 mm","Width":"138 mm","Height":"248 mm","Maximum":"4 000 A","Minimum":"2 000 A","at 240 V":"187 kA","at 415 V":"121 kA","at 440 V":"121 kA","at 500 V":"75.6 kA","at 690 V":"11.9 kA","at 40 °C":"400 A","at 45 °C":"400 A","at 50 °C":"400 A","at 55 °C":"392 A","at 60 °C":"384 A","at 65 °C":"376 A","at 70 °C":"367 A","Depth [In]":"4.33 in","Width [In]":"5.43 in","Height [In]":"9.76 in","Trip Indicator":"No","Number Of Poles":"3","Voltage Trigger":"No","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"No","Design Of The Product":"Line protection","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"92.1 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Ground-Fault Monitoring Version":"Without","Continuous Current / Rated Value":"400 A","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"TM240","Design Of Short-Circuit Protection":"For switching power values in DC networks, see the 3VA molded case circuit breaker device manual; link to be found under Service & Support in the last chapter","protection class IP / on the front":"IP40","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"690 V","operating voltage / at DC / rated value":"500 V","reference code / according to IEC 81346-2":"Q","Continuous Current / Rated Value / Maximum":"400 A","Product Extension / Optional / Motor Drive":"Yes","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"M","Mechanical Service Life (Operating Cycles) / Typical":"20 000","Type Of Electrical Connection / For Main Current Circuit":"nut keeper kit on both ends","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f59d8c360c846d5ff9ef773daebb7908.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=569003&mlfb=3VA1340-5EF32-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1340-5EF32-0AA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1340-5EF32-0AA0 and get current pricing?","answer":"This part is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm commercial offer."},{"question":"What is the interrupting capacity of 3VA1340-5EF32-0AA0 at 240 V?","answer":"187 kA at 240 V, which is the highest rating on this breaker — suitable for high-fault-current service entrances or transformer secondaries."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1340-5EF32-0AA0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/3VA1340-5EF32-0AA0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}