{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LX1FK350","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"LX1FK350","canonicalUrl":"https://aoctrl.com/schneider/LX1FK350","factsUrl":"https://aoctrl.com/api/mcp/products/LX1FK350","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric TeSys LX1F series, LX1FK350, contactor coil, 350 V AC 50/60 Hz, without built-in suppressor module.","salesMarkdown":"The LX1FK350 is a replacement coil for Schneider TeSys LX1F contactors, rated 350 V AC 50/60 Hz. It's the part that pulls the contactor in — no built-in suppressor module, so you supply your own RC snubber or varistor across the coil terminals if the application needs one. Coil resistance tells you the draw: 89.6 Ω inrush at 68 °F (20 °C) drops to 2410 Ω holding at the same temperature. That inrush-to-hold ratio is typical for AC-operated contactor coils — the high initial current slams the armature home, then the holding current drops to a fraction of that. Operating window is 100...170 ms opening, 40...75 ms closing. That's the mechanical travel time; add the control system's scan or relay delay when timing a safety circuit. ## Voltage tolerance and dropout behaviour Control circuit voltage limits are 0.85...1.1 Uc for operation at 131 °F (55 °C), meaning the coil must see between about 298 V and 385 V to pull in reliably. Dropout happens between 0.3 and 0.5 Uc — roughly 105 V to 175 V — so the contactor drops out cleanly on a brownout without chattering. Listed as Active by Schneider. This is a current-production coil, not a last-time-buy or NRND part. ## Durability and rate limits Rated for 10 Mcycles mechanical — that's the coil and contactor mechanism together, not just the coil. Maximum operating rate is 2400 cycles per hour at 131 °F (55 °C), which works out to one operation every 1.5 seconds. Keep the ambient within -5...55 °C for rated life.","metaTitle":"Schneider LX1FK350 TeSys Contactor Coil, 350 V AC","metaDescription":"Active LX1FK350 TeSys contactor coil, 350 V AC 50/60 Hz. 89.6 Ω inrush / 2410 Ω holding. 10 Mcycles mechanical. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Contactor & Starter Coils"],"specifications":{"Range":"TeSys","Category":"22341-CONTACTOR,D,K,&F ACCESS","Operating time":"100...170 ms opening 40...75 ms closing","Coil technology":"Without built-in suppressor module","lifecycle_stage":"current","Device short name":"LX1FK","Average resistance":"89.6 Ohm inrush 68 °F (20 °C) 2410 Ohm holding 68 °F (20 °C)","Control circuit type":"AC 50/60 Hz","Mechanical durability":"10 Mcycles","Nbr. of units in pkg.":"1","Maximum operating rate":"2400 cyc/h 131 °F (55 °C)","Product or Component Type":"Contactor coil","[Uc] control circuit voltage":"350 V AC 50/60 Hz","Control circuit voltage limits":"Operational 0.85...1.1 Uc 50/60 Hz 131 °F (55 °C)) Drop-out 0.3...0.5 Uc 50/60 Hz 131 °F (55 °C))","Ambient Air Temperature for Operation":"23...131 °F (-5...55 °C)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/eefbf6bae09d7613c48a60fb3964ed3e.pdf","sourceUrl":"https://www.se.com/th/en/product/LX1FK350/contactor-coil-lx1f-350-v-ac-50-60-hz/","alternativesUrl":"https://aoctrl.com/api/mcp/products/LX1FK350/alternatives.json"},"ai":{"faq":[{"question":"What is the closest alternative to LX1FK350 in the TeSys family?","answer":"The LX1FK350 is a 350 V AC coil. Within the same LX1F family, other voltage variants exist (e.g., 110 V, 220 V, 400 V AC). The mechanical footprint and mounting are identical — the difference is the coil voltage. No pin-compatible alternative at the same voltage is listed; the 350 V AC variant is specific."},{"question":"What is the TeSys range for this coil?","answer":"The LX1FK350 belongs to the Schneider TeSys range, specifically the LX1F series of contactor coils. It is a replacement coil for LX1F contactors."},{"question":"What is the category of LX1FK350?","answer":"The category is 22341-CONTACTOR,D,K,&F ACCESS, which covers contactor accessories for TeSys D, K, and F ranges."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/LX1FK350","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/LX1FK350 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}}