{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1225-1AA32-0DD0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1225-1AA32-0DD0","canonicalUrl":"https://aoctrl.com/siemens/3VA1225-1AA32-0DD0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1225-1AA32-0DD0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1225-1AA32-0DD0, switch disconnector, IEC frame 250, 3-pole, SD100, In=250A, without overload or short-circuit protection, with nut keeper kit, undervoltage release 208-230 V AC 50/60 Hz, 3 auxiliary changeover switches.","salesMarkdown":"## Function and fit for a 250 A isolation point It provides visible-break isolation for a circuit but carries no overload or short-circuit protection — that is, it is a disconnect switch, not a circuit breaker. The intended role is a service-disconnect or maintenance-isolation point downstream of a protective device. ## What the 250 A rating means for panel integration The 250 A continuous rating on the IEC frame 250 tells you the switch's main contacts are sized for that current under normal load conditions. Because this is a switch disconnector without overload protection, the upstream feeder breaker or fuse must provide the overcurrent protection for the conductors and load. The three auxiliary changeover switches give you three independent sets of N/O and N/C contacts for status indication to a PLC or panel lamp.","metaTitle":"Siemens SENTRON 3VA1225-1AA32-0DD0 Switch Disconnector, 250A","metaDescription":"Siemens SENTRON 3VA1225-1AA32-0DD0 switch disconnector, IEC frame 250, 3-pole, In=250A. No overload or short-circuit protection. Includes undervoltage release 208-230V AC and 3 aux","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Switch disconnector"}},"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=1445915&mlfb=3VA1225-1AA32-0DD0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1225-1AA32-0DD0/alternatives.json"},"ai":{"faq":[{"question":"What is the function of the undervoltage release on this switch disconnector?","answer":"The undervoltage release is rated 208–230 V AC 50/60 Hz. It trips the switch open if the control voltage drops below its dropout threshold, providing undervoltage protection or remote trip capability."},{"question":"Does this switch disconnector provide overload or short-circuit protection?","answer":"No. The description explicitly states it is without overload protection and without short-circuit protection. An upstream protective device (circuit breaker or fuse) must be provided."},{"question":"How many auxiliary contacts are included, and what type?","answer":"Three auxiliary changeover switches are included. Each provides one normally-open and one normally-closed contact set for status feedback."},{"question":"Where can I buy 3VA1225-1AA32-0DD0 and how is it quoted?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1225-1AA32-0DD0","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/3VA1225-1AA32-0DD0 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}}