{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1050-2ED32-0HH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1050-2ED32-0HH0","canonicalUrl":"https://aoctrl.com/siemens/3VA1050-2ED32-0HH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1050-2ED32-0HH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA1 IEC frame 100, 3-pole, 50A, breaking capacity class B Icu=16kA @ 415V, TM210 thermal-magnetic trip, shunt trip STL 12-30V DC / 24V AC, 2 HQ aux switches + 1 HQ trip alarm switch.","salesMarkdown":"The Siemens 3VA1050-2ED32-0HH0 is a 3-pole IEC frame 100 circuit breaker rated 50 A with a class B breaking capacity of 16 kA at 415 V. That class B rating means it handles moderate fault levels typical of distribution sub-feeders — enough headroom for selective coordination with downstream 10 kA branch breakers, but not the 25+ kA class C needed at a main service entrance. The TM210 thermal-magnetic trip unit is factory-fixed: overload protection Ir is set at 50 A (non-adjustable), and short-circuit protection Ii is fixed at 10 × In (500 A). No field dials to mis-set — good for a BOM line where the engineer wants repeatable coordination without commissioning tweaks. ## Integrated accessories — what ships on the breaker This variant comes pre-populated with a shunt trip (STL) rated 12–30 V DC or 24 V AC 50/60 Hz, plus two HQ auxiliary switches and one HQ trip alarm switch. That means the panel builder does not need to order and install separate accessory packs — the shunt trip is wired for remote tripping (fire alarm, E-stop chain), and the aux contacts report breaker position to a PLC or status lamp. The HQ designation indicates high-auxiliary-current rating for the switch contacts, suitable for control circuits up to the standard 6 A AC-15 / 3 A DC-13 range. A nut keeper kit is also included in the package for secure DIN-rail mounting. ## Where it fits — panel and coordination context The 3VA1 frame 100 mounts on standard DIN rail in an IEC distribution panel or enclosure. At 50 A fixed, it is sized for a motor control center feeder, a lighting sub-panel, or a small UPS bypass circuit. The 16 kA Icu at 415 V coordinates cleanly with a 25 kA upstream main breaker (typical class C) if the let-through energy is within the downstream breaker's I2t withstand. For North American installations, verify that the 415 V rating aligns with your 480Y/277 V system — the breaker is IEC-rated, not UL489 listed, so it is suited for IEC-spec panels and export projects.","metaTitle":"Siemens 3VA1050-2ED32-0HH0 Circuit Breaker, 50A, 16kA @ 415V","metaDescription":"Siemens 3VA1050-2ED32-0HH0 IEC frame 100 circuit breaker, 3-pole, 50A fixed TM210 overload, 16kA breaking capacity @ 415V, shunt trip, aux switches. Active lifecycle, sourced to or","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=493485&mlfb=3VA1050-2ED32-0HH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1050-2ED32-0HH0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of this breaker?","answer":"Breaking capacity class B with Icu = 16 kA at 415 V AC, which is the maximum short-circuit current the breaker can safely interrupt at that voltage."},{"question":"What accessories are included on this variant?","answer":"It ships with a shunt trip (STL) rated 12-30 V DC / 24 V AC, two HQ auxiliary switches, one HQ trip alarm switch, and a nut keeper kit for DIN-rail mounting."},{"question":"Where can I buy 3VA1050-2ED32-0HH0 and how is it quoted?","answer":"Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for your volume."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1050-2ED32-0HH0","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/3VA1050-2ED32-0HH0 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}}