{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1112-1AA36-0JA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1112-1AA36-0JA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1112-1AA36-0JA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1112-1AA36-0JA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1112-1AA36-0JA0, IEC frame 160, 3-pole switch disconnector, 125 A rated continuous current, without overload or short-circuit protection, with shunt trip (STL) 110-127 V DC/AC, front terminal connection.","salesMarkdown":"It is built without overload or short-circuit protection — this is a pure isolating and switching device, not a circuit breaker. The unit includes a factory-fitted shunt trip (STL) release rated for 110-127 V DC/AC, so it can be remotely tripped from a control system or emergency-stop circuit. This part sits in the SENTRON 3VA family and is designed to mount in a standard panel or enclosure on a mounting plate; its 70 mm depth and 76.2 mm width make it a compact fit for a 160 A frame. The front-terminal connection means you land the cables on the front face — common in panel layouts where rear access is tight. Rated continuous current Iu of 125 A is the max current the disconnector can carry continuously without exceeding its temperature rise. That's the number that decides whether this part fits your feeder or branch circuit — size the upstream protection for 125 A or less. Rated insulation voltage Ui is 800 V, so the internal clearances and creepage are designed for 800 V systems; it's rated for AC operation up to 690 V and DC up to 500 V, covering most industrial 400/480 VAC and 500 VDC bus voltages. The shunt trip (STL) release draws its power from the control voltage (110-127 V DC/AC) and is intended for remote or emergency-off tripping. No undervoltage release and no auxiliary contacts are included, so if you need UVR or a status feedback signal, you'll need to add them externally or pick a different variant. The unit can accept an optional motor drive for remote motorized operation. Mechanical endurance is 15,000 operations — that's the rated number of no-load switching cycles before the mechanism may need service. For a switch disconnector used for infrequent isolation (once or twice a shift), that's a long service life. Maximum power loss is 38 W at rated current.","metaTitle":"Siemens 3VA1112-1AA36-0JA0 SENTRON Switch Disconnector, 125","metaDescription":"Siemens SENTRON 3VA1112-1AA36-0JA0 switch disconnector, 125 A rated continuous current, 3-pole, with shunt trip STL 110-127 V DC/AC. Current production. Sourced to order; request q","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"76.2 mm","Height":"130 mm","Limited To 1 S":"2 kA","Trip indicator":"No","Number of poles":"3","Product version":"in MCCB design","Voltage trigger":"Yes","lifecycle_stage":"current","Limited To 0.5 S":"2 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":"38 W","Auxiliary contact version":"Without","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Rated continuous current Iu":"125 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":"0","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","Type of electrical connection / for main current circuit":"Terminal 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=341763&mlfb=3VA1112-1AA36-0JA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1112-1AA36-0JA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1112-1AA36-0JA0 and how do I get a price?","answer":"This part is sourced to order against an RFQ. Submit a request through the site or contact our desk; we'll confirm current pricing and availability at quote time."},{"question":"Will 3VA1112-1AA36-0JA0 drop into a panel that was specified around 3VA1110-5EE32-0JA0 without rewiring?","answer":"Both parts share the same 70 mm depth, 76.2 mm width, 130 mm height, and front-terminal connection. The footprint and mounting pattern are identical, so a mechanical swap is straightforward. However, the 3VA1110-5EE32-0JA0 is a molded case circuit breaker with an overcurrent release and a 100 A rating; the 3VA1112-1AA36-0JA0 is a switch disconnector rated 125 A with no overcurrent protection. Verify that the upstream protection and the intended load circuit match the disconnector's role before swapping."},{"question":"What is 3VA1112-1AA36-0JA0's listed depth?","answer":"The depth is 70 mm."},{"question":"What is 3VA1112-1AA36-0JA0's listed width?","answer":"The width is 76.2 mm."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1112-1AA36-0JA0","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/3VA1112-1AA36-0JA0 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}}