{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1163-1AA42-0CA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1163-1AA42-0CA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1163-1AA42-0CA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1163-1AA42-0CA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1 IEC frame 160, 4-pole SD100 switch disconnector, 63 A rated continuous current, no overload or short-circuit protection, with undervoltage release (UVR) 120-127V AC 50/60Hz, busbar connection front terminal, IP40 front.","salesMarkdown":"The Siemens SENTRON 3VA1163-1AA42-0CA0 is a 4-pole switch disconnector in the 3VA1 IEC frame 160 design — rated 63 A continuous (Iu) with no integral overload or short-circuit protection, so it functions purely as a load-break isolating device, not a circuit breaker. It carries a factory-fitted undervoltage release (UVR) for 120-127 V AC 50/60 Hz, meaning the switch trips open on loss or drop of control voltage — a standard safety interlock for motor control centers or conveyor lines where a voltage-loss disconnect is required by the safety circuit. Rated insulation voltage (Ui) of 800 V and max operational voltage of 690 V AC / 600 V DC define the system voltage class it can sit in — suitable for 400/480 V panels with headroom. The 63 A continuous rating is the thermal current the main contacts carry without derating; in a switch disconnector with no overload trip, that 63 A is the absolute load limit, not a setting. The 4-pole configuration (3 phases + neutral) makes it a line-side isolator for 3-phase + N distribution. Front terminals accept busbar connection only — no lug or cable lugs on the main circuit without an adapter. Mounts on the panel backplate or DIN rail via the 3VA frame footprint. The 101.6 mm width (4-pole) is wider than a 3-pole 3VA frame (76.2 mm) — check gland-plate cutout and adjacent device spacing if retrofitting into a panel originally laid out for a 3-pole MCCB. Undervoltage release wiring: the leading-contact option is not fitted (No), so the UVR coil energizes immediately on control-voltage application; no time-delay dropout sequence.","metaTitle":"Siemens 3VA1163-1AA42-0CA0 SENTRON Switch Disconnector, 63A","metaDescription":"Siemens 3VA1163-1AA42-0CA0 SENTRON switch disconnector, IEC frame 160, 63 A, 4-pole, no overload protection, with undervoltage release 120-127V AC. Current lifecycle stage. Sourced","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","Height":"130 mm","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":"Yes","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Power loss [W] / maximum":"38 W","Auxiliary contact version":"Without","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":"600 V","Undervoltage Release With Leading Contact":"No","Product extension / optional / motor drive":"Yes","Number of CO contacts / for auxiliary contacts":"0","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=221899&mlfb=3VA1163-1AA42-0CA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1163-1AA42-0CA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1163-1AA42-0CA0 and how do I get a price?","answer":"This part is sourced and quoted 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 is the closest functional alternative to 3VA1163-1AA42-0CA0?","answer":"The 3VA1112-5EF32-0CA0 is a 3-pole line-protection MCCB (125 A) with the same frame 160 and UVR option, but it includes thermal-magnetic overload and short-circuit protection — a different device class. The 3VA1163-1AA42-0CA0 is a switch disconnector with no overcurrent protection; the two are not drop-in substitutes. If the BOM requires a pure isolator, the 3VA1163-1AA42-0CA0 is the correct part."},{"question":"Will 3VA1163-1AA42-0CA0 drop into a panel designed for 3VA1112-5EF32-0CA0?","answer":"Not without rewiring. The 3VA1163-1AA42-0CA0 is 101.6 mm wide (4-pole) versus 76.2 mm for the 3-pole 3VA1112-5EF32-0CA0. Both share the same 70 mm depth and 130 mm height, but the wider footprint and busbar-only main terminals require different busbar routing and gland-plate cutout."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1163-1AA42-0CA0","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/3VA1163-1AA42-0CA0 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}}