{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LX4FF300","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"LX4FF300","canonicalUrl":"https://aoctrl.com/schneider/LX4FF300","factsUrl":"https://aoctrl.com/api/mcp/products/LX4FF300","rawCanonicalId":null},"summary":{"shortDescription":"Telemecanique TeSys LX4FF300, contactor coil, 300 V DC, 30...40 ms closing, 30...50 ms opening, without built-in suppressor module.","salesMarkdown":"## Coil for FF contactor frame, 300 V DC control The LX4FF300 is a replacement coil for the FF-frame contactor in the TeSys range, rated for 300 V DC control circuits. It lands before the window or it doesn't go — the operating time is 30...40 ms closing and 30...50 ms opening, which is the critical path for sequencing logic in a panel rebuild. Coil technology is without built-in suppressor module, so the panel builder must add external flyback suppression (diode or RC snubber) across the coil terminals. The average resistance is 160.7 Ω inrush and 34910 Ω holding at 68 °F (20 °C), typical for a DC low-consumption design. ## Control voltage limits and thermal range Operational voltage window is 0.85...1.1 Uc at 131 °F (55 °C), meaning the coil holds in reliably from 255 V DC to 330 V DC. Drop-out threshold is 0.15...0.2 Uc (45...60 V DC), so the contactor releases cleanly on a sag without chattering. Ambient air temperature for operation is 23...131 °F (-5...55 °C).","metaTitle":"TeSys LX4FF300 contactor coil, 300 V DC, active production","metaDescription":"TeSys LX4FF300 contactor coil, 300 V DC, 30-40 ms closing. Active lifecycle. Sourced to order against an RFQ. No built-in suppressor module.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactor & Starter Coils"],"specifications":{"Range":"TeSys","title":"LX4FF300","Category":"18401-WORLD SERVICE PARTS(CTR ACCESS)","description":"contactor coil - FF - 300 V DC","Operating time":"30...40 ms closing 30...50 ms opening","Coil technology":"Without built-in suppressor module","lifecycle_stage":"current","Device short name":"LX4FF","Average resistance":"160.7 Ohm inrush 68 °F (20 °C) 34910 Ohm holding 68 °F (20 °C)","Control circuit type":"DC low consumption","Nbr. of units in pkg.":"1","Product or Component Type":"Contactor coil","[Uc] control circuit voltage":"300 V DC","Control circuit voltage limits":"Operational 0.85...1.1 Uc 131 °F (55 °C)) Drop-out 0.15...0.2 Uc 131 °F (55 °C))","Ambient Air Temperature for Operation":"23...131 °F (-5...55 °C)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c5726dc69e672ad9f5b2a80a07bcef11.pdf","sourceUrl":"https://www.se.com/th/en/product/LX4FF300/contactor-coil-ff-300-v-dc/"},"ai":{"faq":[{"question":"What is the TeSys range for this coil?","answer":"The LX4FF300 belongs to the TeSys range, Schneider Electric's modular contactor and motor-control family."},{"question":"Does the LX4FF300 include a built-in suppressor module?","answer":"No, the coil technology is without built-in suppressor module. External flyback suppression must be added by the panel builder."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/LX4FF300","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/LX4FF300 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}