{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1225-1AA32-0JH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1225-1AA32-0JH0","canonicalUrl":"https://aoctrl.com/siemens/3VA1225-1AA32-0JH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1225-1AA32-0JH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1 series switch disconnector, IEC frame 250, 3-pole, In=250 A, busbar connection, shunt trip (STL) 110-127 V DC/AC, 2 auxiliary switches + 1 trip alarm switch HQ.","salesMarkdown":"The Siemens 3VA1225-1AA32-0JH0 is a SENTRON 3VA1 switch disconnector in an MCCB design — it provides visible isolation and load-break capability without overload or short-circuit protection. Rated continuous current Iu is 250 A, so it handles full-load current on a feeder or a large motor branch circuit where the upstream device provides the protection. The 3-pole unit is sized for 690 V AC 50/60 Hz or 500 V DC maximum operational voltage. Rated short-time withstand current is 3 kA at both 1 s and 0.5 s intervals. That figure tells you the disconnector can hold closed through a fault of that magnitude long enough for an upstream breaker to clear — it's not a short-circuit making or breaking rating, but a withstand rating for coordination studies. In a selective coordination chain, this part sits downstream of a device that can interrupt a fault above 3 kA. ## Built-in auxiliary and trip options That means remote tripping and status feedback are wired in from the start — no field-add kit needed. The shunt trip lets a safety PLC or E-stop circuit open the disconnector remotely. Three CO contacts are available for auxiliary signaling. ## Panel footprint and connection Measures 105 mm wide, 158 mm high, 70 mm deep. Main circuit connection is busbar via front terminals — typical for panelboard or switchboard mounting where busbars run horizontally across the front. IP40 on the front face (finger-safe, not washdown).","metaTitle":"Siemens 3VA1225-1AA32-0JH0 SENTRON Switch Disconnector, 250","metaDescription":"Siemens SENTRON 3VA1225-1AA32-0JH0 switch disconnector, 250 A rated continuous current, 3-pole, MCCB design. Active 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":"105 mm","Height":"158 mm","Limited To 1 S":"3 kA","Trip indicator":"Yes","Number of poles":"3","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":"2 auxiliary switches + 1 trip alarm switch HQ","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":"500 V","Undervoltage Release With Leading Contact":"No","Product extension / optional / motor drive":"Yes","Number of CO contacts / for auxiliary contacts":"3","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=569260&mlfb=3VA1225-1AA32-0JH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1225-1AA32-0JH0/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1225-1AA32-0JH0","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/3VA1225-1AA32-0JH0 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}}