{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1120-6ED42-0AA0-ZD00","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1120-6ED42-0AA0-ZD00","canonicalUrl":"https://aoctrl.com/siemens/3VA1120-6ED42-0AA0-ZD00","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1120-6ED42-0AA0-ZD00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA1 IEC frame 160, breaking capacity class H, Icu=70kA @ 415V, 4-pole, line protection TM210, FTFM, In=20A, overload protection Ir=20A fixed, short-circuit protection Ii=16 x In, N conductor unprotected, nut keeper kit for DC Power OEM in China.","salesMarkdown":"## What this breaker carries — and what that means on the panel The Siemens 3VA1120-6ED42-0AA0-ZD00 is a 4-pole IEC frame 160 molded case circuit breaker with a 70 kA Icu at 415 V — breaking capacity class H. That rating means it can interrupt a 70 kA fault current at 415 V without welding the contacts or rupturing the arc chamber, which is the kind of SCCR headroom you need downstream of a large transformer or in a high-fault distribution board. The TM210 trip unit gives fixed thermal-magnetic protection: Ir = 20 A overload (fixed) and Ii = 16 × In short-circuit pickup, so the breaker coordinates with standard motor-starting inrush without nuisance trips. The neutral conductor is unprotected (N-conductor unprotected), so this variant is wired for a 3-pole + solid neutral scheme — common in IEC distribution where the neutral is bonded at the source and not switched. ## Deployment context — where this lands in the enclosure The nut keeper kit (included per the order-code suffix) simplifies captive-fastener assembly for OEM panel builders, especially in repetitive build scenarios. The 4-pole footprint occupies the same frame 160 cutout as other 3VA1 breakers, so existing busbar and cable layouts transfer without rework.","metaTitle":"Siemens 3VA1120-6ED42-0AA0-ZD00 Circuit Breaker, 70kA @ 415V","metaDescription":"Siemens 3VA1120-6ED42-0AA0-ZD00 IEC frame 160 breaker, 70kA Icu @ 415V, 4-pole, TM210, In=20A. Lifecycle stage current. Sourced to order against RFQ.","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":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1667643&mlfb=3VA1120-6ED42-0AA0-ZD00","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1120-6ED42-0AA0-ZD00/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of this breaker?","answer":"The breaking capacity is 70 kA Icu at 415 V, class H per the IEC frame 160 rating — sufficient for high-fault distribution panels downstream of large transformers."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1120-6ED42-0AA0-ZD00","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/3VA1120-6ED42-0AA0-ZD00 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}}