{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LX1LB300","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"LX1LB300","canonicalUrl":"https://aoctrl.com/schneider/LX1LB300","factsUrl":"https://aoctrl.com/api/mcp/products/LX1LB300","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric TeSys replacement coil LX1LB300, 300 V AC 50 Hz / 347 V AC 60 Hz control circuit voltage, 75 VA inrush, 8 VA sealed.","salesMarkdown":"The LX1LB300 is a replacement coil from the TeSys range, built for the control-circuit side of LC1 contactors. It's not a contactor itself — it's the magnet coil that pulls in the contactor armature. Control voltage is 300 V AC at 50 Hz or 347 V AC at 60 Hz, so it matches 277/480 V panel control transformers that step down to a nominal 300 V leg. The inrush is 75 VA at 0.55 power factor; once sealed it drops to 8 VA at 0.28 PF. That inrush matters for transformer sizing — a 75 VA control transformer with a 100% duty rating handles the pull-in, but if you're daisy-chaining multiple coils off one transformer, sum the inrush of the largest simultaneous pick-up, not the sealed VA. Coil resistance is 773 Ω ±10% at 20 °C, inductance 6.6 H. The 6.6 H inductance means the coil current during sealed hold is largely reactive — the real power draw is under 2 W once the armature is seated. That keeps heat down inside the enclosure, which matters if the panel runs warm.","metaTitle":"Schneider LX1LB300 TeSys Coil, 300 VAC 50/347 VAC 60 Hz, 75","metaDescription":"Active TeSys replacement coil for LC1 contactors. 300 VAC 50 Hz / 347 VAC 60 Hz control voltage, 75 VA inrush, 8 VA sealed. Order LX1LB300 against an RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactor & Starter Coils"],"specifications":{"Range":"TeSys","title":"LX1LB300","Category":"18402-WORLD SERVICE PARTS(CONTROL ACCESS)","description":"coil LX1-LB -300V AC 50Hz, 347 V AC 60Hz","lifecycle_stage":"current","Device short name":"LX1","Average resistance":"773 Ohm at 68 °F (20 °C) +/- 10 %","Value of inductance":"6.6 H","Power consumption in VA":"75 VA AC 0.55 50 Hz inrush 8 VA AC 0.28 50 Hz sealed","Product or Component Type":"Coil","[Uc] control circuit voltage":"300 V AC 50 Hz 347 V AC 60 Hz"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/873cda6af72c24b7c37065bcd95e5880.pdf","sourceUrl":"https://www.se.com/us/en/product/LX1LB300/coil-lx1lb-300v-ac-50hz-347-v-ac-60hz/"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to LX1LB300?","answer":"The LX1LB300 is the specific 300 VAC 50 Hz / 347 VAC 60 Hz coil for TeSys contactors. There is no direct pin-compatible substitute with a different voltage — the voltage variant (e.g., LX1LB110 for 110 VAC) is a different order code. If you need the same voltage, stick with this MPN."},{"question":"What range does LX1LB300 belong to?","answer":"It belongs to the TeSys range by Schneider Electric."},{"question":"What is the listed category for LX1LB300?","answer":"The internal catalog category is 18402-WORLD SERVICE PARTS (CONTROL ACCESS). This is a service-parts classification, meaning it's stocked for replacement rather than new-design volume."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/LX1LB300","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/LX1LB300 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}}