{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LC1K1201B5","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"LC1K1201B5","canonicalUrl":"https://aoctrl.com/schneider/LC1K1201B5","factsUrl":"https://aoctrl.com/api/mcp/products/LC1K1201B5","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric TeSys K series, LC1K1201B5, 3-pole contactor, 12 A AC-3/AC-3e, coil 24 V 50 Hz, 1 NC auxiliary contact.","salesMarkdown":"The Schneider Electric TeSys K LC1K1201B5 is a 3-pole contactor rated for 12 A in AC-3 and AC-3e utilisation categories at up to 440 V, with a 24 V 50 Hz coil and one normally closed auxiliary contact. For resistive loads (AC-1), it carries 20 A, and for inching/plugging duty (AC-4) it handles 72 A, though at much lower electrical endurance. AC-3 means switching a squirrel-cage motor during running — making and breaking currents up to 6× rated during start, but only the motor full-load current during stop. The 12 A figure corresponds roughly to a 5.5 kW motor at 400 V three-phase. If your load is resistive (heater, lighting), the AC-1 rating of 20 A applies instead, so you get more headroom. The AC-4 rating of 72 A exists but note the electrical endurance drops to 20,000 cycles at that level — it is meant for occasional inching or reversing, not continuous plugging duty. The 1 NC auxiliary contact is built in — no add-on block needed for a basic interlock or status feedback. If you need more aux contacts, the TeSys K range offers side-mounting auxiliary blocks, but those are separate order codes. The coil draws 30 VA inrush and 4.5 VA holding at 20 °C, which is modest — a standard 24 V 50 Hz control transformer can drive several of these in parallel. The LC1K1201B5 carries approvals across the major industrial regions: EN/IEC 60947-4-1 (Europe), UL 60947-4-1 (US), CSA C22.2 No 60947-4-1 (Canada), and JIS C8201-4-1 (Japan). It also meets the glow-wire test requirements of IEC 60335-1 and the specific air-conditioning standard UL 60335-2-40 Annex JJ. The enclosure is IP20 finger-safe per VDE 0106, so it can be mounted in a panel without additional finger-duct covers as long as the busbars are also shielded. For safety-related applications, the B10d values are provided per EN/ISO 13849-1: 1,369,863 cycles under nominal load and 20,000,000 cycles under mechanical load only. This allows the contactor to be used in a safety-related control system up to a certain SIL/PL level, provided the rest of the circuit meets the architecture requirements. The 45 mm width (3-module) fits standard enclosure rail spacing — three of these side by side occupy 135 mm of rail. Screw-clamp terminals accept 1.5 to 4 mm² solid or 0.75 to 4 mm² flexible wire, with a tightening torque of 0.8 to 1.3 N·m. Operating altitude is 2000 m without derating; above that, the dielectric strength and thermal dissipation need to be checked against the manufacturer's altitude derating curve.","metaTitle":"Schneider TeSys K LC1K1201B5 Contactor, 12A AC-3, 24V 50Hz C","metaDescription":"Schneider Electric TeSys K LC1K1201B5 contactor, 3-pole, 12A AC-3/AC-3e, 24V 50Hz coil, 1NC aux. Active lifecycle. Sourced to order against RFQ.","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","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":"Rail Plate","Device short name":"LC1K","Poles description":"3P","Tightening torque":"0.8...1.3 N.m - on screw clamp terminals Philips No 2 0.8...1.3 N.m - on screw clamp terminals flat Ø 6 mm 0.8...1.3 N.m - on screw clamp terminals pozidriv No 2","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 NC","Connections - terminals":"Screw clamp terminals 1 cable(s) 1.5...4 mm²solid Screw clamp terminals 1 cable(s) 0.75...4 mm²flexible without cable end Screw clamp terminals 1 cable(s) 0.34...2.5 mm²flexible with cable end Screw clamp terminals 2 cable(s) 1.5...4 mm²solid Screw clamp terminals 2 cable(s) 0.75...4 mm²flexible without cable end Screw clamp terminals 2 cable(s) 0.34...1.5 mm²flexible with cable end","IP degree of protection":"IP20 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":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/fcca1d8e3bdaa07c90934e01470d7e6d.pdf","sourceUrl":"https://www.se.com/vn/en/product/LC1K1201B5/contactor-tesys-k-3p-12a-ac3-ac3e-440v-aux-1nc-coil-24v-50hz/","alternativesUrl":"https://aoctrl.com/api/mcp/products/LC1K1201B5/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings for this contactor?","answer":"The LC1K1201B5 is a 3-pole contactor rated 12 A in AC-3 (motor switching) and 20 A in AC-1 (resistive) at up to 440 V. The coil is 24 V 50 Hz, drawing 30 VA inrush and 4.5 VA holding. It includes one normally closed auxiliary contact."},{"question":"What standards does the LC1K1201B5 comply with?","answer":"It complies with EN/IEC 60947-4-1, UL 60947-4-1, CSA C22.2 No 60947-4-1, JIS C8201-4-1, and the glow-wire requirements of IEC 60335-1 and UL 60335-2-40 Annex JJ. It is also rated IP20 per VDE 0106."},{"question":"What is the physical size of the LC1K1201B5?","answer":"The dimensions are 45 mm wide, 58 mm high, and 57 mm deep. It mounts on a DIN rail or directly to a plate."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/LC1K1201B5","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/LC1K1201B5 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}}