{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LC1K12105P7","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"LC1K12105P7","canonicalUrl":"https://aoctrl.com/schneider/LC1K12105P7","factsUrl":"https://aoctrl.com/api/mcp/products/LC1K12105P7","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric TeSys K contactor, LC1K12105P7, 3-pole, 12 A AC-3/AC-3e at 440 V, 230 V AC 50/60 Hz coil, 1 NO auxiliary contact, solder pin terminals.","salesMarkdown":"The LC1K12105P7 is a 3-pole TeSys K contactor rated 12 A in AC-3 (motor switching) and AC-3e duty at 440 V, with a 230 V AC coil. The AC-1 rating (20 A resistive) applies to heater banks or lighting, not motor starts. For high-inertia or plug-reverse applications, the AC-4 rating (72 A at ≤440 V) covers the worst-case inrush, but electrical durability drops to 0.02 Mcycles at that level — expect to budget for replacement if your cycle profile includes frequent reversing. The 1 NO auxiliary contact is built into the base unit, rated for signalling circuits down to 5 mA and 17 V minimum switching — enough for a PLC digital input or a status lamp, but not for pilot-duty loads without derating. The coil draws 30 VA inrush, 4.5 VA hold-in at 20 °C, and dissipates 1.3 W continuously. That 1.3 W matters in a crowded panel: it's low enough to skip forced cooling in most enclosures, but if you're stacking ten of these on a DIN rail, add it to your thermal budget. Global approvals are already in place: EN/IEC 60947-4-1, UL 60947-4-1, CSA C22.2 No 60947-4-1, plus JIS and GB/T equivalents. That covers most industrial jurisdictions without a separate certification project. The UL 94 V1 flame-retardance rating on the housing means it passes the vertical burn test — relevant for panel builders who need to document material compliance per NFPA 79. The IP2X finger protection (VDE 0106) means it's safe for open-panel mounting where operators might reach inside. Solder-pin termination (0.035 mm pin diameter) is intended for PCB mounting or quick-connect tab receptacles, not screw-clamp ring terminals — verify your wiring method before committing the panel layout. The TC protective treatment (IEC 60068, DIN 50016) adds corrosion resistance for mildly aggressive atmospheres — think coastal plant air or unheated warehouses, not chemical splash zones. ## Durability and cycle life for production planning Mechanical life is 10 Mcycles — the contactor will outlast most machines if the coil and main poles are not electrically stressed. Electrical durability depends on the load: 1.3 Mcycles at 12 A AC-3, 0.3 Mcycles at 20 A AC-1, and only 0.02 Mcycles at 72 A AC-4. If your application cycles a motor under load every 10 seconds (3600 cycles/hour max), the AC-3 life translates to roughly 360 hours of continuous cycling — plan a PM interval well before that. Safety reliability is quantified with B10d values per EN/ISO 13849-1: 1,369,863 cycles under nominal load (contact with load), 20,000,000 cycles under mechanical load only. For a safety circuit that monitors the NO auxiliary, the B10d at nominal load is the figure to use in your PFHd calculation.","metaTitle":"Schneider Electric LC1K12105P7 TeSys K Contactor, 3P, 12A AC","metaDescription":"Schneider Electric LC1K12105P7 TeSys K contactor, 3 poles, 12 A at 440 V in AC-3, 230 V AC coil, 1 NO auxiliary contact. Active lifecycle, sourced to order. EN/IEC/UL/CSA certified","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"57 mm","Range":"TeSys","Width":"45 mm","Height":"58 mm","Standards":"EN/IEC 60947-4-1 GB/T 14048.4 UL 60947-4-1 CSA C22.2 No 60947-4-1 JIS C8201-4-1 IEC 60335-1:Clause 30.2 IEC 60335-2-40:Annex JJ UL 60335-2-40:Annex JJ","Operating time":"10...20 ms coil de-energisation and NO opening 10...20 ms coil energisation and NO closing","Coil technology":"Without built-in suppressor module","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","Mounting support":"Printed circuit boards","Device short name":"LC1K","Poles description":"3P","Device application":"Control","Inrush power in VA":"30 VA (at 20 °C)","Operating altitude":"2000 m without derating","Non overlap distance":"0.5 mm","Protective treatment":"TC conforming to IEC 60068 TC conforming to DIN 50016","Utilisation category":"AC-3 AC-3e AC-1 AC-4","Contactor application":"Resistive load Motor control","Electrical durability":"1.3 Mcycles 12 A AC-3 at Ue 1.3 Mcycles 12 A AC-3e at Ue 0.3 Mcycles 20 A AC-1 at Ue 0.02 Mcycles 72 A AC-4 at Ue <= 440 V","Mechanical durability":"10 Mcycles","Mechanical robustness":"Shocks contactor closed, on X axis: 10 Gn for 11 ms conforming to IEC 60068-2-27 Shocks contactor closed, on Y axis: 15 Gn for 11 ms conforming to IEC 60068-2-27 Shocks contactor closed, on Z axis: 15 Gn for 11 ms conforming to IEC 60068-2-27 Shocks contactor opened, on X axis: 6 Gn for 11 ms conforming to IEC 60068-2-27 Shocks contactor opened, on Y axis: 10 Gn for 11 ms conforming to IEC 60068-2-27 Shocks contactor opened, on Z axis: 10 Gn for 11 ms conforming to IEC 60068-2-27 Vibrations contactor closed: 4 Gn, 5...300 Hz conforming to IEC 60068-2-6 Vibrations contactor opened: 2 Gn, 5...300 Hz conforming to IEC 60068-2-6","Maximum operating rate":"3600 cyc/h","Auxiliary contacts type":"type instantaneous 1 NO","Connections - terminals":"Solder pins (external diameter: 0.035 mm)","IP degree of protection":"IP2X conforming to VDE 0106","Safety reliability level":"B10d = 1369863 cycles contactor with nominal load conforming to EN/ISO 13849-1 B10d = 20000000 cycles contactor with mechanical load conforming to EN/ISO 13849-1","Minimum switching current":"5 mA for signalling circuit","Minimum switching voltage":"17 V for signalling circuit","Product or component type":"Contactor","Signalling circuit frequency":"<= 400 Hz","Control circuit voltage limits":"Operational: 0.8...1.15 Uc (at Drop-out: >= 0.20 Uc (at <50 °C)","Power Pole Contact Composition":"3 NO","[Ue] rated operational voltage":"Power circuit: Signalling circuit: 10 MOhm for signalling circuit","Hold-in power consumption in VA":"4.5 VA (at 20 °C)","Ambient air temperature for storage":"-50...80 °C"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$51.08","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c0402da7bc5df3b2e5a1b675347d70db.pdf","sourceUrl":"https://www.se.com/vn/en/product/LC1K12105P7/contactor-tesys-k-3p-ac3-ac3e440v-12a-aux-1no-230v-ac-coil/","alternativesUrl":"https://aoctrl.com/api/mcp/products/LC1K12105P7/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings that decide fit for a motor load?","answer":"The AC-3 rating of 12 A at 440 V is the one that governs motor switching. The AC-3e rating (also 12 A) applies to energy-efficient motors with higher inrush. The AC-4 rating (72 A at ≤440 V) covers reversing or plugging duty, but electrical life drops sharply to 0.02 Mcycles at that level."},{"question":"What compliance documentation does this part carry?","answer":"It is certified to EN/IEC 60947-4-1, UL 60947-4-1, CSA C22.2 No 60947-4-1, JIS C8201-4-1, and GB/T 14048.4. The housing is UL 94 V1 flame-retardant. No separate RoHS or REACH declaration is in this evidence, but Schneider typically provides those on request for the TeSys range."},{"question":"What is the physical size for panel layout?","answer":"45 mm wide, 58 mm high, 57 mm deep. It mounts on a DIN rail or via solder-pin terminals. The IP2X finger protection (VDE 0106) allows open-panel mounting without additional shrouding."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/LC1K12105P7","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/LC1K12105P7 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}}