{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1163-1AA36-0BH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1163-1AA36-0BH0","canonicalUrl":"https://aoctrl.com/siemens/3VA1163-1AA36-0BH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1163-1AA36-0BH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1, switch disconnector in MCCB design, 3-pole, 63A, no overload/short-circuit protection, undervoltage release 24V DC, 2 aux switches + 1 trip alarm HQ, front terminal connection.","salesMarkdown":"The Siemens 3VA1163-1AA36-0BH0 is a SENTRON 3VA1 switch disconnector in an MCCB-style housing, rated for 63 A continuous current (Iu) on a 160 A frame. It is a pure disconnecting means — no overload or short-circuit protection elements inside — making it a load-break switch for isolation and safety disconnection where upstream protection is already in place. The 3-pole unit carries a 24 V DC undervoltage release (UVR) that drops the contacts on loss of control voltage — a standard safety interlock for emergency-stop circuits and machine guarding. The front terminal connection accepts clamp-type wiring, and the IP40 front face suits enclosed panel mounting. Because there is no thermal or magnetic trip, this part cannot clear a fault — it relies entirely on an upstream circuit breaker or fuse. The 2 kA limited short-time withstand (1 s and 0.5 s) tells you the disconnector can hold closed through a fault until the upstream device clears, but it is not rated to interrupt that fault itself. The 690 V AC / 500 V DC maximum operational voltage sets the ceiling for isolation capability. In a 400 V panel this is comfortable; at 690 V it still provides a full air gap. The 15 000 mechanical endurance cycles (latching) is typical for a switch disconnector in this class — adequate for daily isolation in a production line, not for frequent switching under load. The 3VA1 frame is a standard MCCB footprint: 70 mm deep, 76.2 mm wide, 130 mm tall. The front terminal connections accept copper cable lugs or clamp terminals. The undervoltage release coil is rated for 24 V DC continuous duty. It has no leading contact, meaning the coil is energized directly from the control supply — no auxiliary contact sequence to delay dropout. Wire the UVR through an E-stop relay or safety PLC output; loss of 24 V opens the main contacts immediately. Optional motor drive can be added for remote switching, but this unit ships without it. The auxiliary contact wiring is brought out to the front terminal block — accessible with the panel door closed for commissioning checks.","metaTitle":"Siemens 3VA1163-1AA36-0BH0 SENTRON Switch Disconnector, 63A,","metaDescription":"Siemens 3VA1163-1AA36-0BH0 SENTRON switch disconnector, 63A rated continuous current, 3-pole, IEC frame 160. Includes undervoltage release 24V DC and auxiliary contacts. Current li","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":"Yes","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 + 1 trip alarm switch HQ","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Rated continuous current Iu":"63 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":"3","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","Type of electrical connection / for main current circuit":"Terminal 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=96204&mlfb=3VA1163-1AA36-0BH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1163-1AA36-0BH0/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional alternative — 3VA1112-5EF32-0CA0?","answer":"The 3VA1112-5EF32-0CA0 is a molded case circuit breaker (line protection) on the same 160 A frame, not a switch disconnector. It includes a TM240 thermal-magnetic trip unit rated 125 A, whereas the 3VA1163-1AA36-0BH0 has no overcurrent protection. They share the same physical footprint (70x76.2x130 mm) and terminal arrangement, so a panel cutout for one accepts the other, but the wiring and protection philosophy differ completely — one is a protective device, the other a disconnect switch."},{"question":"Will 3VA1163-1AA36-0BH0 drop into a panel specified for 3VA1112-5EF32-0CA0 without rewiring?","answer":"Yes, the footprint and terminal positions are identical — same 70 mm depth, 76.2 mm width, 130 mm height, and front terminal connections. However, the 3VA1163-1AA36-0BH0 lacks overload and short-circuit protection, so the upstream protection must already cover the load. No rewiring is needed for the main power or auxiliary contacts."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1163-1AA36-0BH0","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/3VA1163-1AA36-0BH0 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}}