{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2225-5JQ42-0CH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2225-5JQ42-0CH0","canonicalUrl":"https://aoctrl.com/siemens/3VA2225-5JQ42-0CH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2225-5JQ42-0CH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA2 series, IEC frame 250, breaking capacity class M, 4-pole molded case circuit breaker, line protection ETU560, LSIG, In=250A, Icu=55kA @ 415V.","salesMarkdown":"The ETU560 is a microprocessor-based trip unit with LSIG functions. Overload protection (Ir) is adjustable from 100 A to 250 A, so you dial in the continuous current to match the cable or busbar rating — not just the breaker frame. Short-time pickup (Isd) spans 0.6 to 10 times In, and instantaneous pickup (Ii) runs 1.5 to 10 times In. Ground-fault protection (Ig) is adjustable from 0.2 to 1 times In with a time delay tg of 0.05 to 0.8 seconds, and it can be switched off entirely if the installation uses a separate GFCI. The neutral conductor protection is also adjustable (OFF, up to 100% of In). That level of adjustability means one breaker covers a wide range of feeder and main applications — you set the taps at commissioning, not at ordering. ## Integrated accessories — undervoltage release and auxiliary switches The auxiliary switches report the breaker position (open/closed) and the trip alarm signals a fault trip, not a manual open. The 3VA2 frame 250 mounts with four screws onto a mounting plate or into a switchboard — it is not a DIN-rail snap-on breaker. The nut keeper kit mentioned in the description holds the mounting nuts captive, which saves time when you are assembling the breaker into a panel with limited rear access. Plan for the 4-pole footprint: it occupies roughly 280 mm width on the mounting plate, and the line and load lugs accept copper or aluminum conductors sized for 250 A continuous. The undervoltage release coil draws continuously when energized; factor that into the control transformer sizing if you are feeding multiple releases from one source.","metaTitle":"Siemens 3VA2225-5JQ42-0CH0 Circuit Breaker, 250A, 55kA @ 415","metaDescription":"Siemens 3VA2225-5JQ42-0CH0 circuit breaker, IEC frame 250, breaking capacity class M, Icu=55kA @ 415V, 4-pole, ETU560 LSIG protection, In=250A. Lifecycle stage: current. Available","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/6a7c0d29262bf1366bc093fc9653b1e6.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1542608&mlfb=3VA2225-5JQ42-0CH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2225-5JQ42-0CH0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA2225-5JQ42-0CH0 and get a price?","answer":"This breaker is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What protection functions does the ETU560 trip unit provide?","answer":"The ETU560 provides LSIG protection: long-time (Ir 100–250 A), short-time (Isd 0.6–10x In), instantaneous (Ii 1.5–10x In), and ground-fault (Ig 0.2–1x In, tg 0.05–0.8 s). Neutral protection is adjustable from OFF to 100% of In."},{"question":"What accessories are included with this order code?","answer":"It includes an undervoltage release (120–127 V AC 50/60 Hz), two auxiliary switch changeover contacts, and one trip alarm switch changeover contact."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2225-5JQ42-0CH0","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/3VA2225-5JQ42-0CH0 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}}