{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1112-1AA32-0AC0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1112-1AA32-0AC0","canonicalUrl":"https://aoctrl.com/siemens/3VA1112-1AA32-0AC0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1112-1AA32-0AC0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1 series, switch disconnector in MCCB design, 3-pole, 125 A, IP40 front, busbar connection, 2 HQ auxiliary switches.","salesMarkdown":"The Siemens 3VA1112-1AA32-0AC0 is a SENTRON 3VA1 switch disconnector in an MCCB-style housing — 3-pole, rated for a flat 125 A continuous from 40 °C all the way up to 70 °C, so no derating curve to chase for most panel ambient conditions. Critical distinction: this is a switch disconnector only — no overload protection, no short-circuit protection built in. The SD100 designation on the description flags it as a pure isolating and switching device. If you need overcurrent protection, you want the 3VA1112-5EE32-0AA0 molded case circuit breaker variant instead. It carries 2 HQ auxiliary switches (form C, CO contacts) for status feedback, wired via front terminals with busbar connection for the main circuit. Maximum power loss is 38 W — modest for a 125 A switch, but worth factoring into enclosure thermal calculations if you're packing several of these side-by-side. Front IP40 protection suits clean indoor panels. Main circuit connects via busbar with front terminals — typical for panelboard or distribution block feed. Motor drive is optional if remote switching is needed later. Mechanical life is 15,000 operating cycles — adequate for isolation duty.","metaTitle":"Siemens 3VA1112-1AA32-0AC0 SENTRON Switch Disconnector, 125","metaDescription":"Siemens 3VA1112-1AA32-0AC0 SENTRON switch disconnector, 125 A continuous rating, 3-pole, IP40 front, active production. Sourced 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":"76.2 mm","Height":"130 mm","at 40 °C":"125 A","at 45 °C":"125 A","at 50 °C":"125 A","at 55 °C":"125 A","at 60 °C":"125 A","at 65 °C":"125 A","at 70 °C":"125 A","Trip Indicator":"No","Number Of Poles":"3","Voltage Trigger":"No","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Switch disconnector","Undervoltage Release":"No","Design Of The Product":"in MCCB design","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"38 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Design Of The Auxiliary Switch":"2 auxiliary switches HQ","Design Of The Auxiliary Release":"Without auxiliary release","Insulation Voltage / Rated Value":"800 V","protection class IP / on the front":"IP40","operating voltage / at AC / rated value":"690 V","operating voltage / at DC / rated value":"500 V","Product Function / Communication Function":"No","Undervoltage Release With Leading Contact":"No","reference code / according to IEC 81346-2":"Q","Product Extension / Optional / Motor Drive":"Yes","number of CO contacts / for auxiliary contacts":"2","Mechanical Service Life (Operating Cycles) / Typical":"15 000","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":"https://cdn.aoctrl.com/852a8c52376574bc3a0f7733b8e38fbf.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=202866&mlfb=3VA1112-1AA32-0AC0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1112-1AA32-0AC0/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1112-1AA32-0AC0","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/3VA1112-1AA32-0AC0 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}}