{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1150-3EF42-0AA0-ZD00","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1150-3EF42-0AA0-ZD00","canonicalUrl":"https://aoctrl.com/siemens/3VA1150-3EF42-0AA0-ZD00","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1150-3EF42-0AA0-ZD00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA1 IEC frame 160, breaking capacity class N, Icu=25kA @ 415V, 4-pole, line protection TM240, ATAM, In=50A, overload protection Ir=35A...50A, short-circuit protection Ii=5...10 x In, N conductor unprotected, nut keeper kit for DC Power OEM in China.","salesMarkdown":"The Siemens 3VA1150-3EF42-0AA0-ZD00 is a 4-pole IEC frame 160 molded case circuit breaker rated at 50 A continuous current, with a 25 kA interrupting capacity at 415 V (breaking capacity class N). It carries the TM240 thermal-magnetic trip unit with an ATAM (Adjustable Thermal, Adjustable Magnetic) adjustment range: overload protection (Ir) is settable from 35 A to 50 A, and short-circuit protection (Ii) from 5 to 10 times In. This variant is configured for DC Power OEM applications in China. The TM240 trip unit with ATAM adjustment gives the panel builder flexibility: Ir from 35 A to 50 A allows fine-tuning for cable or load protection without swapping the breaker, while Ii at 5–10× In sets the magnetic trip threshold for motor-start inrush or high-impedance faults. The unprotected N conductor means the neutral is not switched or monitored by the breaker — confirm the system's neutral earthing arrangement before specifying. ## Deployment Context The nut keeper kit aids secure fastening in high-vibration environments like DC power OEM enclosures.","metaTitle":"Siemens 3VA1150-3EF42-0AA0-ZD00 Circuit Breaker, 50A, 25kA @","metaDescription":"Siemens 3VA1150-3EF42-0AA0-ZD00 IEC frame 160 circuit breaker, 50A, 25kA breaking capacity @ 415V. 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":"https://cdn.aoctrl.com/f893782ee436b6dcf7237ddb91131093.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1667764&mlfb=3VA1150-3EF42-0AA0-ZD00","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1150-3EF42-0AA0-ZD00/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1150-3EF42-0AA0-ZD00 and how do I get a price?","answer":"This part is sourced to order against an RFQ through independent distribution. Submit an RFQ for current availability and pricing."},{"question":"What are the key ratings of 3VA1150-3EF42-0AA0-ZD00?","answer":"It is a 4-pole IEC frame 160 MCCB rated 50 A continuous, with 25 kA interrupting capacity at 415 V, TM240 thermal-magnetic trip, adjustable Ir 35–50 A, and Ii 5–10× In."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1150-3EF42-0AA0-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/3VA1150-3EF42-0AA0-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}}