{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1020-4ED32-0AC0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1020-4ED32-0AC0","canonicalUrl":"https://aoctrl.com/siemens/3VA1020-4ED32-0AC0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1020-4ED32-0AC0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA1 IEC frame 100, breaking capacity class S, 3-pole, line protection TM210, In=20A, Icu=36kA @ 415V, with nut keeper kit and 2 auxiliary switches HQ.","salesMarkdown":"## Breaking capacity and protection profile The Siemens 3VA1020-4ED32-0AC0 is a 3-pole IEC frame 100 molded case circuit breaker rated for 20 A with a TM210 thermal-magnetic trip unit. Overload protection is fixed at Ir=20 A, and short-circuit protection is set at Ii=16 x In, meaning it trips instantaneously at 320 A. ## Integration notes Mounts on standard DIN rail or panel-mount via the frame 100 footprint. The nut keeper kit retains the terminal screws during wiring — saves time on the gland plate when the panel builder is running multiple breakers in a row. Two HQ auxiliary switches occupy the left-side slot; they switch independently of the main contacts, so you can wire a remote trip indication or a PLC digital input without extra interposing relays.","metaTitle":"Siemens 3VA1020-4ED32-0AC0 Circuit Breaker, 36kA @ 415V","metaDescription":"Siemens 3VA1020-4ED32-0AC0 IEC frame 100 MCCB, 3-pole, 20A TM210, 36kA breaking capacity. Active lifecycle. 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":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=346437&mlfb=3VA1020-4ED32-0AC0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1020-4ED32-0AC0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of this breaker?","answer":"The 3VA1020-4ED32-0AC0 has a breaking capacity class S with Icu=36 kA at 415 V AC, suitable for high-fault industrial distribution panels."},{"question":"What does the TM210 trip unit mean?","answer":"TM210 is a thermal-magnetic trip with fixed overload protection at Ir=20 A and fixed short-circuit protection at Ii=16 x In (320 A). The thermal element handles overloads; the magnetic element handles short circuits."},{"question":"Where can I buy 3VA1020-4ED32-0AC0?","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/3VA1020-4ED32-0AC0","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/3VA1020-4ED32-0AC0 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}}