{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LG7D18P721","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"LG7D18P721","canonicalUrl":"https://aoctrl.com/schneider/LG7D18P721","factsUrl":"https://aoctrl.com/api/mcp/products/LG7D18P721","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric TeSys LG, enclosed DOL starter, LG7D18P721, 17-23 A thermal protection, 230 V AC 50/60 Hz coil, IP55, AC-3 utilisation category.","salesMarkdown":"The Schneider TeSys LG7D18P721 is an enclosed direct-on-line (DOL) starter that combines a contactor and circuit-breaker in one IP55 polycarbonate enclosure. It's rated for AC-3 motor switching: 4 kW at 230 V AC and 9 kW at 400/415 V AC, 50/60 Hz. The thermal protection adjustment range is 17...23 A, and the control circuit runs on 230 V AC 50/60 Hz. This is a safety-rated device per IEC 60204-1 and IEC 60947-4-1, suited for guarding motor circuits in standard industrial environments. The AC-3 utilisation category tells you this starter is built for starting squirrel-cage motors and disconnecting them while running — that's the standard duty for a DOL starter. The 17...23 A thermal protection range covers motors in that full-load current band; you set the dial to match the motor nameplate. The 230 V AC coil means the control voltage is line-powered, not low-voltage DC — common in older panels or where a separate control transformer isn't used. IP55 and IK07 mean the enclosure handles hose-down cleaning and low-energy impacts, so it's fine for washdown areas or exposed machine mounting. ## Enclosure and integration details The polycarbonate enclosure measures 175 mm wide, 165 mm high, and 146 mm deep. It has four cable entries: two Pg 13 and two Pg 16 at the top, and the same at the bottom. The push-button controls are integrated: white start, black stop, and a red mushroom-head emergency stop. This is a self-contained unit — mount it on a wall or machine frame, run the motor cable and control wiring through the glands, and you're done. No separate contactor and overload to wire up in a panel.","metaTitle":"Schneider TeSys LG7D18P721 Enclosed DOL Starter, 17-23 A, 23","metaDescription":"Schneider TeSys LG7D18P721 enclosed DOL starter, 17-23 A thermal protection, 230 V AC coil, IP55, AC-3 rated. Active production. Available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Motor Starters"],"specifications":{"Depth":"146 mm","Range":"TeSys","Width":"175 mm","Height":"165 mm","Material":"Polycarbonate","Standards":"IEC 60204-1 IEC 60947-4-1","Control type":"Push-button start white I Push-button stop black O Mushroom head push-button emergency stop red","Product name":"TeSys LG","Motor power kW":"4 kW at 220/230 V AC 50/60 Hz 9 kW at 400/415 V AC 50/60 Hz 9 kW at 440 V AC 50/60 Hz","lifecycle_stage":"current","Device short name":"LG7D","Cable entry number":"4 2 Pg 13 + 2 Pg 16 top 4 2 Pg 13 + 2 Pg 16 bottom","Device application":"Safety","Device composition":"Contactor Circuit-breaker","Utilisation category":"AC-3","IK degree of protection":"IK07 conforming to IEC 60529","IP degree of protection":"IP55 conforming to IEC 60529","Product or component type":"Enclosed DOL starter","Environmental characteristic":"Standard environment","[Uc] control circuit voltage":"230 V AC 50/60 Hz","Thermal protection adjustment range":"17...23 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/3f13e8b98cf5759562773d7d052127d2.pdf","sourceUrl":"https://www.se.com/be/en/product/LG7D18P721/tesys-lg-enclosed-dol-starter-17-23-a-230-v-ac-coil/","alternativesUrl":"https://aoctrl.com/api/mcp/products/LG7D18P721/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings for LG7D18P721?","answer":"The LG7D18P721 is an enclosed DOL starter rated for AC-3 duty: 4 kW at 230 V AC and 9 kW at 400/415 V AC. Thermal protection adjusts from 17 to 23 A. The coil is 230 V AC 50/60 Hz. Enclosure is IP55 with IK07 impact protection."},{"question":"Where can I buy LG7D18P721?","answer":"The LG7D18P721 is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What standards does LG7D18P721 comply with?","answer":"It complies with IEC 60204-1 (safety of machinery) and IEC 60947-4-1 (contactors and motor-starters)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/LG7D18P721","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/LG7D18P721 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}}