{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1340-4EF32-0KB0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1340-4EF32-0KB0","canonicalUrl":"https://aoctrl.com/siemens/3VA1340-4EF32-0KB0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1340-4EF32-0KB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA1 IEC frame 400 MCCB, breaking capacity class S, Icu=36kA @ 415V, 3-pole, line protection TM240, In=400A, overload Ir=280-400A, short-circuit Ii=5-10xIn, with shunt trip left 208-277VAC/220-250VDC and 2 auxiliary switches.","salesMarkdown":"The Siemens 3VA1340-4EF32-0KB0 is a 3-pole IEC frame 400 molded case circuit breaker rated at 400 A continuous with a 36 kA interrupting capacity at 415 V AC (breaking capacity class S). The TM240 thermal-magnetic trip unit gives adjustable overload protection from 280 A to 400 A and short-circuit pickup adjustable from 5 to 10 times In. A factory-fitted shunt trip on the left side operates on 208–277 V AC 50/60 Hz or 220–250 V DC, and two auxiliary switches are integrated for status feedback to the PLC or panel indication.","metaTitle":"Siemens 3VA1340-4EF32-0KB0 MCCB, 400A, 36kA @ 415V","metaDescription":"Siemens 3VA1340-4EF32-0KB0 IEC frame 400 MCCB, 36kA Icu @ 415V, TM240 thermal-magnetic trip, Ir 280-400A, shunt trip, 2 aux switches. Current lifecycle stage. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"lifecycle_stage":"current"}},"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=1420825&mlfb=3VA1340-4EF32-0KB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1340-4EF32-0KB0/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings of 3VA1340-4EF32-0KB0?","answer":"It is a 3-pole IEC frame 400 MCCB rated 400 A continuous, with a 36 kA interrupting capacity at 415 V AC. The TM240 trip offers adjustable overload protection Ir=280–400 A and short-circuit pickup Ii=5–10×In. It includes a shunt trip (left side, 208–277 V AC / 220–250 V DC) and two auxiliary switches."},{"question":"Where can I buy 3VA1340-4EF32-0KB0?","answer":"This MCCB is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1340-4EF32-0KB0","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/3VA1340-4EF32-0KB0 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}}