{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1120-6GE42-0AA0-ZD00","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1120-6GE42-0AA0-ZD00","canonicalUrl":"https://aoctrl.com/siemens/3VA1120-6GE42-0AA0-ZD00","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1120-6GE42-0AA0-ZD00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA1 IEC frame 160, 4-pole, breaking capacity class H, Icu=70kA @ 415V, line protection TM220, ATFM, In=20A, overload Ir=14A...20A, short-circuit Ii=16 x In, N conductor protection 100%, nut keeper kit for DC Power OEM in China.","salesMarkdown":"The Siemens 3VA1120-6GE42-0AA0-ZD00 is a 4-pole IEC frame 160 molded case circuit breaker with a 70 kA breaking capacity at 415 V (class H). It's configured for line protection with a TM220 thermal-magnetic trip unit set at In=20 A, overload protection adjustable Ir=14 A...20 A, and fixed short-circuit protection Ii=16 x In. The N conductor is protected at 100%, and the unit includes a nut keeper kit for DC Power OEM applications in China. The TM220 thermal-magnetic trip gives a fixed thermal curve with adjustable overload pickup (Ir) between 14 A and 20 A, so you tune the long-time protection to the actual load without swapping the trip unit. The 16 x In instantaneous setting (320 A) clears hard shorts fast but avoids nuisance tripping on motor inrush or capacitor charging currents. ## Deployment context The 3VA1 frame mounts into standard Siemens panelboard or switchboard bus systems. The 4-pole configuration covers three-phase plus neutral, and the 100% N protection means the neutral pole trips at the same rating as the phase poles — required for systems with significant harmonic content or non-linear loads where the neutral carries current. The nut keeper kit simplifies assembly in DC Power OEM builds where the breaker is installed into a pre-drilled enclosure.","metaTitle":"Siemens 3VA1120-6GE42-0AA0-ZD00 Circuit Breaker, 70kA @ 415V","metaDescription":"Siemens 3VA1120-6GE42-0AA0-ZD00 IEC frame 160 breaker, 4-pole, 20A, 70kA breaking capacity. Current lifecycle stage. 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=1667649&mlfb=3VA1120-6GE42-0AA0-ZD00","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1120-6GE42-0AA0-ZD00/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of this breaker?","answer":"The 3VA1120-6GE42-0AA0-ZD00 has a breaking capacity class H with Icu=70 kA at 415 V AC."},{"question":"What are the overload and short-circuit protection settings?","answer":"Overload protection Ir is adjustable from 14 A to 20 A. Short-circuit protection Ii is fixed at 16 x In, which is 320 A for this 20 A breaker."},{"question":"Where can I buy the 3VA1120-6GE42-0AA0-ZD00?","answer":"This part is sourced 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/3VA1120-6GE42-0AA0-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/3VA1120-6GE42-0AA0-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}}