{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1340-1AA32-0DD0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1340-1AA32-0DD0","canonicalUrl":"https://aoctrl.com/siemens/3VA1340-1AA32-0DD0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1340-1AA32-0DD0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1340-1AA32-0DD0, switch disconnector, IEC frame 400, 3-pole, SD100, In=400 A, without overload or short-circuit protection, with undervoltage release 208-230 V AC 50/60 Hz, nut keeper kit.","salesMarkdown":"## Switch Disconnector for Load-Break Isolation It provides visible-break isolation for a downstream load, but carries no overload or short-circuit protection — that is, no trip unit inside. ## What the 400 A Rating Means for Fit The 400 A continuous rating is the maximum uninterrupted current the disconnector can carry in free air at the rated ambient temperature. Because this is a switch disconnector — not a molded-case circuit breaker — it is designed for infrequent load-break switching and isolation, not for repetitive motor starting or fault interruption. The absence of overload or short-circuit protection means an upstream protective device (fuse or circuit breaker) must coordinate with this switch to clear faults. This switch disconnector mounts in a panel or enclosure on the IEC frame 400 footprint. The nut keeper kit simplifies main-circuit terminal torquing during panel build — the keeper holds the nut in place while the bolt is driven from the front, a time-saver on a 400 A connection. The UVR coil wiring terminates at the control voltage source; verify the coil is rated for the same AC supply as the panel's control transformer (208-230 V AC).","metaTitle":"Siemens 3VA1340-1AA32-0DD0 SENTRON Switch Disconnector, 400","metaDescription":"Siemens SENTRON 3VA1340-1AA32-0DD0 switch disconnector, 400 A, 3-pole, IEC frame 400, SD100. Current lifecycle stage. Includes undervoltage release 208-230 V AC. Available to order","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"title":"3VA1340-1AA32-0DD0","description":"switch disconnector 3VA1 IEC frame 400 3-pole SD100, In=400A without overload protection w/o short-circuit protection nut keeper kit switch disconnector 3VA1 IEC frame 400 3-pole SD100, In=400A without overload protection w/o short-circuit protection nut keeper kit UNDERVOLTAGE RELEASE 208-230 V AC 50/60 HZ ACCESSORY FOR 3VA1 3 AUXILIARY SWITCH CHANGEOVER H","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Switch disconnector"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f59d8c360c846d5ff9ef773daebb7908.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1446802&mlfb=3VA1340-1AA32-0DD0"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1340-1AA32-0DD0","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/3VA1340-1AA32-0DD0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}