{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1112-6EF36-0AF0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1112-6EF36-0AF0","canonicalUrl":"https://aoctrl.com/siemens/3VA1112-6EF36-0AF0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1112-6EF36-0AF0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA1 IEC frame 160 circuit breaker, 3-pole, breaking capacity class H, Icu=70kA @ 415V, In=125A, TM240, ATAM, with auxiliary switch and trip alarm switch.","salesMarkdown":"The In=125A continuous current rating is the breaker's nominal — it carries 125 A indefinitely at 40 °C ambient without tripping. The overload protection band is adjustable from Ir=88 A to 125 A, so you set the pickup to match the cable or load, not the other way around. For a 415 V distribution board fed by a transformer of several hundred kVA, 70 kA covers most industrial service-entrance and sub-distribution scenarios. The IEC frame 160 means the breaker body is sized for busbar and lug systems common to 160 A frames — it fits standard 3VA1 mounting plates and withdrawable cassettes. ## Built-in signaling for panel integration The auxiliary switch changes state with the breaker's main contacts — open when the breaker is off, closed when on — so a PLC or status lamp sees the breaker position. The trip alarm switch closes only on a fault trip (overload or short circuit), not on manual switching. That distinction matters for remote diagnostics: you can tell the difference between an operator opening the breaker and a protective trip. Both switches are rated for standard control voltages and terminate at the clamp connection terminals on the breaker face.","metaTitle":"Siemens 3VA1112-6EF36-0AF0 Circuit Breaker, 125A, 70kA @ 415","metaDescription":"Siemens 3VA1112-6EF36-0AF0 IEC frame 160 circuit breaker, 3-pole, 125A, Icu=70kA @ 415V. 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/7b6248caf29f9c83372bbf579f1ca250.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=177799&mlfb=3VA1112-6EF36-0AF0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1112-6EF36-0AF0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of this breaker?","answer":"Icu=70 kA at 415 V AC, class H per IEC 60947-2. That is the maximum short-circuit current it can safely interrupt."},{"question":"Where can I buy 3VA1112-6EF36-0AF0?","answer":"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/3VA1112-6EF36-0AF0","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/3VA1112-6EF36-0AF0 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}}