{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1225-1AA42-0HA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1225-1AA42-0HA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1225-1AA42-0HA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1225-1AA42-0HA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1 series switch disconnector in MCCB design, IEC frame 250, 4-pole, In=250 A, shunt trip (STL) 12-30 V DC / 24 V AC 50/60 Hz, busbar connection, IP40 front.","salesMarkdown":"## What this 3VA1 switch disconnector is — and isn't The Siemens 3VA1225-1AA42-0HA0 is a SENTRON 3VA1 switch disconnector in an MCCB (molded case circuit breaker) physical design, but it is not a circuit breaker. It carries 250 A rated continuous current (Iu) across 4 poles, with no overload or short-circuit protection built in — that is the key distinction from a standard 3VA1 MCCB variant. It is sized for the IEC frame 250 footprint and terminates via busbar connection on the front terminals. The built-in shunt trip release (STL) operates on 12–30 V DC or 24 V AC 50/60 Hz, letting you remotely trip the switch from a control signal. No undervoltage release is fitted, and there are no auxiliary contacts onboard. Rated insulation voltage is 800 V, with a maximum AC operational voltage of 690 V at 50/60 Hz and DC operational voltage up to 600 V. At 70 mm deep, 140 mm wide, and 158 mm tall, this 4-pole unit is wider than the 3-pole 3VA1 frame (typically 76.2 mm or 101.6 mm) — expect to account for the extra panel width in your layout. The busbar connection on the front terminals means it mates directly to a busbar system rather than lug terminals; verify your panel's busbar pitch matches the 3VA1 front-terminal pattern before ordering. The unit accepts an optional motor drive for remote switching.","metaTitle":"Siemens 3VA1225-1AA42-0HA0 SENTRON Switch Disconnector, 250","metaDescription":"Siemens SENTRON 3VA1225-1AA42-0HA0 switch disconnector, 250 A rated continuous current, 4-pole, shunt trip release. Current lifecycle. Quoted to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"140 mm","Height":"158 mm","Limited To 1 S":"3 kA","Trip indicator":"No","Number of poles":"4","Product version":"in MCCB design","Voltage trigger":"Yes","lifecycle_stage":"current","Limited To 0.5 S":"3 kA","Product brand name":"SENTRON","Product designation":"Switch disconnector","Latching - endurance":"15 000","Undervoltage Release":"No","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Power loss [W] / maximum":"57 W","Auxiliary contact version":"Without","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Rated continuous current Iu":"250 A","Rated insulation voltage Ui":"800 V","Design of the auxiliary release":"Shunt trip (STL)","Protection class IP / on the front":"IP40","Reference code / acc. to DIN EN 81346-2":"Q","Max. rated operational voltage Ue with DC":"600 V","Undervoltage Release With Leading Contact":"No","Product extension / optional / motor drive":"Yes","Number of CO contacts / for auxiliary contacts":"0","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","Type of electrical connection / for main current circuit":"busbar connection","Arrangement of electrical connectors / for main current circuit":"Front terminal"}},"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=569282&mlfb=3VA1225-1AA42-0HA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1225-1AA42-0HA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1225-1AA42-0HA0 and how do I get a price?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time."},{"question":"Will 3VA1225-1AA42-0HA0 drop into a panel designed for 3VA1110-5EE32-0JA0 without rewiring?","answer":"No — the 3VA1225-1AA42-0HA0 is a 4-pole unit at 140 mm wide, versus the 3-pole 3VA1110-5EE32-0JA0 at 76.2 mm wide. The width difference and busbar connection vs. lug terminals mean the panel layout and busbar system would need rework."},{"question":"What are the key ratings for 3VA1225-1AA42-0HA0?","answer":"Rated continuous current Iu = 250 A across 4 poles. Rated insulation voltage Ui = 800 V. Max AC operational voltage = 690 V 50/60 Hz; max DC operational voltage = 600 V. The shunt trip release operates on 12–30 V DC or 24 V AC."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1225-1AA42-0HA0","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/3VA1225-1AA42-0HA0 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}}