{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1110-1AA32-0CC0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1110-1AA32-0CC0","canonicalUrl":"https://aoctrl.com/siemens/3VA1110-1AA32-0CC0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1110-1AA32-0CC0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1110-1AA32-0CC0, switch disconnector in MCCB design, 3-pole, 100 A rated continuous current, 690 V AC / 500 V DC, with undervoltage release and 2 auxiliary switches HQ, busbar connection front terminal.","salesMarkdown":"Unlike a standard MCCB, this unit carries no overload or short-circuit protection — it is a straight disconnect-only device, confirmed by the product designation 'switch disconnector' and the absence of any overcurrent release in the spec. What it does include is an undervoltage release (UVR) rated 120-127 V AC 50/60 Hz, plus 2 auxiliary switches HQ (changeover contacts). Rated continuous current Iu of 100 A sets the maximum uninterrupted load this disconnect can carry. The 3VA1 frame is rated for up to 160 A frame size, so this unit has headroom in the frame but is current-limited by the internal disconnect assembly. Max rated operational voltage is 690 V AC 50/60 Hz and 500 V DC — the AC figure covers standard 400 V and 480 V industrial networks; the DC rating matters for battery banks or DC bus disconnects. The 2 kA limited-time rating (at 1 s and 0.5 s) is the short-time withstand current the disconnect can handle during fault clearing upstream — it is not a breaking capacity, since this is not a circuit breaker. Latching endurance of 15 000 cycles gives a service life baseline for maintenance scheduling. ## Where It Goes — Deployment Context This switch disconnector is designed for panel mounting with front terminals and busbar connection for the main current circuit. The 76.2 mm width (roughly 3 inches) matches standard MCCB panel cutouts — it occupies the same footprint as a 3-pole SENTRON 3VA MCCB. ## What It Replaces or Backs Up If you are replacing a failed switch disconnector in a legacy panel or looking for a critical spare, this 3VA1110-1AA32-0CC0 is a direct fit for any panel originally designed around a 3VA1-frame 3-pole disconnect with UVR and auxiliary contacts. The closest functional peer is the 3VA1110-5EE32-0DC0 — a full molded case circuit breaker with TM220 thermal-magnetic protection, same 100 A rating and same frame. The key difference: the 5EE32 provides overload and short-circuit protection (LI release), while the 1AA32 is disconnect-only. If your application requires overcurrent protection, you need the 5EE32 variant. If you only need a load-break disconnect with undervoltage release, this 1AA32 is the correct choice and avoids paying for protection you won't use.","metaTitle":"Siemens 3VA1110-1AA32-0CC0 SENTRON Switch Disconnector, 100","metaDescription":"Siemens SENTRON 3VA1110-1AA32-0CC0 switch disconnector, 100 A rated continuous current, 3-pole, 690 V AC / 500 V DC. Includes undervoltage release and 2 auxiliary switches HQ. Curr","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":"No","lifecycle_stage":"current","Limited To 0.5 S":"2 kA","Product brand name":"SENTRON","Product designation":"Switch disconnector","Latching - endurance":"15 000","Undervoltage Release":"Yes","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Power loss [W] / maximum":"38 W","Auxiliary contact version":"2 auxiliary switches HQ","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Rated continuous current Iu":"100 A","Rated insulation voltage Ui":"800 V","Design of the auxiliary release":"Undervoltage release (UVR)","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":"2","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=494591&mlfb=3VA1110-1AA32-0CC0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1110-1AA32-0CC0/alternatives.json"},"ai":{"faq":[{"question":"What is the difference between 3VA1110-1AA32-0CC0 and 3VA1110-5EE32-0DC0?","answer":"The 1AA32 is a switch disconnector with no overload or short-circuit protection, while the 5EE32 is a full molded case circuit breaker with a TM220 thermal-magnetic release providing LI protection. Both share the same 100 A rating, 3-pole frame, and dimensions. Choose the 1AA32 for disconnect-only applications; choose the 5EE32 when overcurrent protection is required."},{"question":"Where can I buy 3VA1110-1AA32-0CC0?","answer":"This part is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time."},{"question":"What are the key specifications of 3VA1110-1AA32-0CC0?","answer":"Key specs: 3-pole switch disconnector, 100 A rated continuous current (Iu), 690 V AC / 500 V DC max operational voltage, 2 kA short-time withstand (1 s), 15 000 latching endurance cycles, includes undervoltage release (120-127 V AC) and 2 auxiliary switches HQ, IP40 front protection, dimensions 70 x 76.2 x 130 mm."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1110-1AA32-0CC0","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/3VA1110-1AA32-0CC0 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}}