{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2340-5HL32-0KB0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2340-5HL32-0KB0","canonicalUrl":"https://aoctrl.com/siemens/3VA2340-5HL32-0KB0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2340-5HL32-0KB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA2 IEC frame 400 MCCB, breaking capacity class M, Icu=55kA @ 415V, 3-pole, ETU320 LI trip unit, In=400A, shunt trip left + 2 auxiliary switches.","salesMarkdown":"## What this 3VA2 breaker carries The Siemens 3VA2340-5HL32-0KB0 is a 3-pole IEC frame 400 molded case circuit breaker with a 55 kA interrupting capacity at 415 V AC (breaking capacity class M). It ships with an ETU320 LI trip unit — fixed at 400 A continuous (In) with adjustable overload protection Ir from 160 A to 400 A and short-circuit pickup Ii adjustable 1.5 to 10 × In. That means you can dial the long-time pickup to match the cable or busbar rating without swapping the breaker body. Factory-fitted accessories include a left-side shunt trip rated 208–277 V AC 50/60 Hz and 220–250 V DC, plus two auxiliary switch changeover contacts. The nut keeper kit is also included — a detail that saves time during panel assembly when the breaker is mounted on a busbar stack. The 55 kA Icu at 415 V places this breaker in the M (medium) breaking capacity class within the 3VA2 frame. For a 400 A feeder in a 415 V system with a prospective fault current up to 55 kA, this breaker clears the fault without upstream devices needing to open — a key selectivity requirement in industrial switchboards. The ETU320 LI trip unit provides electronic long-time and instantaneous protection; it lacks the short-time delay (LSI) of the ETU330, so it is best applied where downstream coordination is handled by the instantaneous pickup setting rather than a deliberate time band. Wiring the shunt trip coil requires verifying polarity for the DC supply — the coil holds at 220–250 V DC and drops out below the dropout threshold, so a free-wheel diode across the coil is recommended if the drive circuit is inductive.","metaTitle":"Siemens 3VA2340-5HL32-0KB0 Circuit Breaker, 55kA @ 415V, 400","metaDescription":"Siemens 3VA2340-5HL32-0KB0 IEC frame 400 MCCB, 55kA Icu @ 415V, ETU320 LI trip, 400A, shunt trip + 2 aux switches. Current lifecycle stage. Available 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/c1b3b6c5f6d67465025ac41848ceb75e.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1495264&mlfb=3VA2340-5HL32-0KB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2340-5HL32-0KB0/alternatives.json"},"ai":{"faq":[{"question":"What is the interrupting capacity of this breaker?","answer":"The 3VA2340-5HL32-0KB0 has a rated ultimate breaking capacity Icu of 55 kA at 415 V AC, placing it in breaking capacity class M within the 3VA2 frame."},{"question":"What trip unit and protection settings does this breaker have?","answer":"It is fitted with an ETU320 LI electronic trip unit. The continuous current rating In is 400 A, with adjustable overload protection Ir from 160 A to 400 A and short-circuit pickup Ii adjustable from 1.5 to 10 × In."},{"question":"What accessories are included with this order code?","answer":"Factory-fitted accessories include a left-side shunt trip rated 208–277 V AC 50/60 Hz and 220–250 V DC, two auxiliary switch changeover contacts, and a nut keeper kit for mounting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2340-5HL32-0KB0","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/3VA2340-5HL32-0KB0 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}}