{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1112-5MH36-0AE0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1112-5MH36-0AE0","canonicalUrl":"https://aoctrl.com/siemens/3VA1112-5MH36-0AE0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1112-5MH36-0AE0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA1 series, IEC frame 160, breaking capacity class M, 3-pole, 125A, Icu=55kA @ 415V, starter protection TM120M, AM, short-circuit protection Ii=5...15 x In, clamp connection, 4 auxiliary switches HQ.","salesMarkdown":"The Siemens 3VA1112-5MH36-0AE0 is a 3-pole IEC molded-case circuit breaker on the 160 A frame, rated 125 A continuous with a TM120M thermal-magnetic trip — the thermal element sized for motor-starting duty (starter protection), not for feeder protection. The magnetic short-circuit pickup is adjustable 5 to 15 times In (625 A to 1875 A), which lets you coordinate with downstream contactor and overload relay let-through. This breaker ships with four factory-installed auxiliary switches (HQ type), so you get position-indication signals for both the main contacts and the trip mechanism without adding external switch blocks. The clamp (box-lug) terminals accept copper or aluminum conductors up to the frame rating — no compression lugs needed for standard panel wiring. ## Deployment context The 3VA1 family uses the same accessory platform as the broader Sentron line — shunt trips, undervoltage releases, and rotary-handle mechanisms are shared across frames.","metaTitle":"Siemens 3VA1112-5MH36-0AE0 Circuit Breaker, 125A, 55kA @ 415","metaDescription":"Siemens 3VA1112-5MH36-0AE0 IEC frame 160 MCCB, 3-pole, 125A, Icu=55kA @ 415V, starter protection TM120M, short-circuit protection Ii=5-15xIn, 4 aux switches. Current lifecycle stag","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=129839&mlfb=3VA1112-5MH36-0AE0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1112-5MH36-0AE0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of this breaker?","answer":"The 3VA1112-5MH36-0AE0 has an Icu of 55 kA at 415 V AC, which is breaking capacity class M on the IEC frame 160 platform."},{"question":"What does the TM120M trip unit mean?","answer":"TM120M is a thermal-magnetic trip with the thermal element calibrated for motor-starting profiles (starter protection). The continuous current rating is 125 A, and the magnetic short-circuit pickup is adjustable from 5 to 15 times In."},{"question":"Where can I buy 3VA1112-5MH36-0AE0?","answer":"This part is sourced and quoted to order through independent distribution against an RFQ. 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/3VA1112-5MH36-0AE0","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/3VA1112-5MH36-0AE0 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}}