{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LC1K1210U72","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"LC1K1210U72","canonicalUrl":"https://aoctrl.com/schneider/LC1K1210U72","factsUrl":"https://aoctrl.com/api/mcp/products/LC1K1210U72","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric TeSys K contactor, 3P, AC-3 ≤440 V 12 A, 1 NO aux, 230…240 V AC coil, obsolete.","salesMarkdown":"The LC1K1210U72 is a TeSys K 3-pole contactor from Schneider Electric, rated 12 A in AC-3 duty at ≤440 V, with a 230…240 V AC coil. It carries one normally open auxiliary contact and is designed for motor switching in control panels — the AC-3 utilisation category means it handles starting and stopping of squirrel-cage motors under full load. The built-in bidirectional peak-limiting diode suppressor on the coil reduces back-EMF, so the same suppression circuit works regardless of wiring polarity. ## Motor power and ratings Motor power capability varies by line voltage: 3 kW at 220…230 V AC, 5.5 kW at 380…415 V AC, 4 kW at 480 V AC, and 4 kW at 500…600 V AC or 660…690 V AC. The 1.3 W heat dissipation is modest — no forced cooling needed in a standard IP2X enclosure. Short-time withstand current (Icw) for the power circuit is 115 A for 1 s, dropping to 55 A for 1 minute, which gives some headroom for brief overloads during motor start.","metaTitle":"TeSys K LC1K1210U72 Contactor, 12 A AC-3, 230-240 VAC Coil","metaDescription":"Obsolete TeSys K LC1K1210U72 contactor, 3P, AC-3 12 A, 1 NO aux, 230-240 VAC coil. Sourced to order against RFQ. UL 94 V1, 4 kW at 480 V.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Contactors"],"specifications":{"Depth":"57 mm","Range":"TeSys","Width":"45 mm","Height":"58 mm","Product name":"TeSys K","Motor power kW":"4 kW at 480 V AC 50/60 Hz 4 kW at 500...600 V AC 50/60 Hz 4 kW at 660...690 V AC 50/60 Hz 3 kW at 220...230 V AC 50/60 Hz 5.5 kW at 380...415 V AC 50/60 Hz 5.5 kW at 440 V AC 50/60 Hz","Coil technology":"Built-in bidirectional peak limiting diode suppressor","lifecycle_stage":"current","Flame retardance":"V1 conforming to UL 94 Requirement 2 conforming to NF F 16-101 Requirement 2 conforming to NF F 16-102","Heat dissipation":"1.3 W","Range of product":"TeSys K","Device short name":"LC1K","Poles description":"3P","Compatibility code":"LC1K","Device application":"Control","Utilisation category":"AC-1 AC-4 AC-3","Pole contact composition":"3 NO","Product or component type":"Contactor","[Ie] rated operational current":"20 A (at 12 A at 16 A (at 10 MOhm for signalling circuit","[Icw] rated short-time withstand current":"115 A 50 °C - 1 s for power circuit 105 A 50 °C - 5 s for power circuit 100 A 50 °C - 10 s for power circuit 75 A 50 °C - 30 s for power circuit 55 A 50 °C - 1 min for power circuit 50 A 50 °C - 3 min for power circuit 80 A - 1 s for signalling circuit 90 A - 500 ms for signalling circuit 110 A - 100 ms for signalling circuit 25 A 50 °C - >= 15 min for power circuit"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f8d3c2de9e9b98ef462bb96d679e2b64.pdf","sourceUrl":"https://www.se.com/be/en/product/LC1K1210U72/tesys-k-contactor-3p-ac3-440-v-12-a-1-no-aux-230-240-v-ac-coil/","alternativesUrl":"https://aoctrl.com/api/mcp/products/LC1K1210U72/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to LC1K1210U72 in this component family?","answer":"There is no official successor order code in the lifecycle record. A current-series TeSys contactor (e.g., TeSys Deca or TeSys F) with the same coil voltage (230…240 V AC), 3-pole configuration, and at least 12 A AC-3 rating would be the functional replacement, but panel footprint and auxiliary wiring must be checked for fit."},{"question":"What is LC1K1210U72's listed depth?","answer":"The depth is 57 mm."},{"question":"What is LC1K1210U72's listed range?","answer":"It belongs to the TeSys K range from Schneider Electric."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/LC1K1210U72","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/schneider/LC1K1210U72 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}}