{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1110-1AA42-0AE0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1110-1AA42-0AE0","canonicalUrl":"https://aoctrl.com/siemens/3VA1110-1AA42-0AE0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1110-1AA42-0AE0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1110-1AA42-0AE0, switch disconnector in MCCB design, 4-pole, 100 A rated continuous current, 4 HQ auxiliary switches, busbar connection front terminal, IP40 front.","salesMarkdown":"The Siemens SENTRON 3VA1110-1AA42-0AE0 is a 4-pole switch disconnector in a 3VA1 IEC frame 160 molded-case design — rated 100 A continuous current (Iu), with no overload or short-circuit protection built in. It's a pure isolating and switching device, not a circuit breaker. The part carries four HQ auxiliary switches for status feedback and uses busbar connection on the front terminals. Rated continuous current Iu of 100 A sets the maximum load it can carry continuously without exceeding temperature limits. That 690 V AC rating covers most 400 V and 480 V industrial distribution, and the 600 V DC rating suits battery banks or DC bus switching up to that voltage. The 15 000 latching endurance cycles is the mechanical life for the switching mechanism — expect it to hold up for that many open-close operations under no-load or low-load conditions. Maximum power loss of 38 W is the heat it dissipates at rated current; factor that into enclosure ventilation if panel ambient runs warm. IP40 on the front means tools and wires over 1 mm diameter are kept out, but the enclosure must provide additional sealing if the panel sees washdown or dust. The front terminal busbar connection is designed for horizontal busbar systems typical in distribution boards; the four auxiliary switches provide isolated contacts for status indication to a PLC or panel lamp. The optional motor drive allows remote switching if specified separately.","metaTitle":"Siemens 3VA1110-1AA42-0AE0 Switch Disconnector, 100 A, 4-Pol","metaDescription":"Siemens SENTRON 3VA1110-1AA42-0AE0 switch disconnector, 100 A rated continuous current, 4-pole, IP40 front, 4 HQ auxiliary switches. Current lifecycle stage. Quoted to order agains","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"101.6 mm","title":"3VA1110-1AA42-0AE0","Height":"130 mm","description":"switch disconnector 3VA1 IEC frame 160 4-pole SD100, In=100A without overload protection w/o short-circuit protection nut keeper kit 4 auxiliary switches HQ","Limited To 1 S":"2 kA","Trip indicator":"No","Number of poles":"4","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":"No","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Power loss [W] / maximum":"38 W","Auxiliary contact version":"4 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":"Without auxiliary release","Protection class IP / on the front":"IP40","Reference code / acc. to DIN EN 81346-2":"Q","Max. rated operational voltage Ue with DC":"600 V","Undervoltage Release With Leading Contact":"No","Product extension / optional / motor drive":"Yes","Number of CO contacts / for auxiliary contacts":"4","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,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/fb2009de70198d2e316836a3f00819f7.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=521710&mlfb=3VA1110-1AA42-0AE0"},"ai":{"faq":[{"question":"What is 3VA1110-1AA42-0AE0 used for?","answer":"It is a 4-pole switch disconnector rated 100 A for isolating and switching three-phase plus neutral circuits in distribution panels, without overload or short-circuit protection — used where a separate upstream protective device handles fault interruption."},{"question":"Where can I buy 3VA1110-1AA42-0AE0?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"Will 3VA1110-1AA42-0AE0 drop into a panel specified around 3VA1010-2ED42-0AE0?","answer":"Both share the same 70 mm depth, 101.6 mm width, and 130 mm height — so the physical footprint is identical. The key difference is that 3VA1110-1AA42-0AE0 is a pure switch disconnector with no overcurrent release, while 3VA1010-2ED42-0AE0 is a molded case circuit breaker with a TM210 thermal-magnetic trip unit. If the panel design relies on the breaker's integral protection, swapping to the switch disconnector requires adding a separate upstream protective device."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1110-1AA42-0AE0","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/3VA1110-1AA42-0AE0 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}}