{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1112-4EE42-0AA0-ZD00","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1112-4EE42-0AA0-ZD00","canonicalUrl":"https://aoctrl.com/siemens/3VA1112-4EE42-0AA0-ZD00","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1112-4EE42-0AA0-ZD00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA1 IEC frame 160, breaking capacity class S, 4-pole circuit breaker, 125A, Icu=36kA @ 415V, TM220, ATFM, line protection.","salesMarkdown":"The Siemens 3VA1112-4EE42-0AA0-ZD00 is a 4-pole IEC frame 160 circuit breaker in the 3VA1 series, rated for line protection with a TM220 thermal-magnetic trip unit (ATFM). Its interrupting capacity is Icu=36kA at 415V, placing it in breaking capacity class S — sufficient for most industrial distribution panels where fault levels stay under that threshold. The continuous current rating In=125A, with overload protection adjustable Ir=88A...125A and fixed short-circuit protection Ii=10 x In. The adjustable Ir band (88–125A) lets you fine-tune the overload pickup to match the actual load current, which is useful when the connected load is below the fixed In. The fixed Ii=10 x In means instantaneous magnetic trip occurs at 1250A — typical for motor-starting inrush protection on a line-protection breaker. ## Deployment context The 4-pole configuration covers three-phase plus neutral, suitable for main incoming or feeder protection in distribution boards.","metaTitle":"Siemens 3VA1112-4EE42-0AA0-ZD00 Circuit Breaker, 125A, 36kA","metaDescription":"Siemens 3VA1112-4EE42-0AA0-ZD00 IEC frame 160 circuit breaker, 125A, 36kA breaking capacity at 415V. Current lifecycle stage. Quoted 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":"https://cdn.aoctrl.com/3db54100ad38b33a5becf0de5dde868e.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1667555&mlfb=3VA1112-4EE42-0AA0-ZD00","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1112-4EE42-0AA0-ZD00/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of this circuit breaker?","answer":"The interrupting capacity is Icu=36kA at 415V, placing it in breaking capacity class S."},{"question":"Where can I buy 3VA1112-4EE42-0AA0-ZD00?","answer":"This part 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/3VA1112-4EE42-0AA0-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/3VA1112-4EE42-0AA0-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}}