{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1050-3ED42-0KA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1050-3ED42-0KA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1050-3ED42-0KA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1050-3ED42-0KA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA1 IEC frame 100 circuit breaker, breaking capacity class N, Icu=25kA @ 415V, 4-pole, In=50A, line protection TM210, shunt trip (STL) 220-250V DC; 208-277V AC.","salesMarkdown":"The Siemens 3VA1050-3ED42-0KA0 is a 3VA1 IEC frame 100 molded case circuit breaker with a 50 A fixed thermal-magnetic overload (Ir=50 A) and fixed short-circuit protection set at 10× In (Ii=500 A). The 4-pole configuration with unprotected N conductor suits three-phase + neutral systems where the neutral does not require overcurrent protection — common in TN-S or TN-C-S networks. The integrated shunt trip (STL) accepts 220-250 V DC or 208-277 V AC, allowing remote tripping from a safety relay or emergency-stop circuit. The nut keeper kit simplifies panel mounting by retaining the hardware during installation, a detail that speeds up assembly on a DIN-rail or backplate.","metaTitle":"Siemens 3VA1050-3ED42-0KA0 Circuit Breaker, 50A, 25kA @ 415V","metaDescription":"Siemens 3VA1050-3ED42-0KA0 circuit breaker, 3VA1 IEC frame 100, breaking capacity class N, Icu=25kA @ 415V, 4-pole, In=50A, shunt trip. 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":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=537154&mlfb=3VA1050-3ED42-0KA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1050-3ED42-0KA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1050-3ED42-0KA0 and how do I get a price?","answer":"The part is sourced and quoted to order against an RFQ through independent distribution channels. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead-time estimate."},{"question":"What is 3VA1050-3ED42-0KA0's listed description?","answer":"It is a circuit breaker in the 3VA1 IEC frame 100, breaking capacity class N, with Icu=25 kA @ 415 V, 4-pole, line protection TM210, FTFM, In=50 A overload protection Ir=50 A fixed, short-circuit protection Ii=10 × In, N conductor unprotected, nut keeper kit, and shunt trip (STL) 220-250 V DC; 208-277 V AC."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1050-3ED42-0KA0","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/3VA1050-3ED42-0KA0 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}}