The Schneider Electric LG1D182V721 is an enclosed direct-on-line (DOL) starter from the TeSys LG range, combining a contactor, switch disconnector, and circuit-breaker in a single IP55 polycarbonate enclosure. It is designed for safety applications and complies with IEC 60947-4-1 and IEC 60204-1. The unit is rated for AC-3 utilisation category, meaning it is suited for starting and stopping squirrel-cage motors under load. Motor power capability is 4 kW at 220/230 V AC and 9 kW at 400/415 V AC or 440 V AC, all at 50/60 Hz. The thermal protection adjustment range is 17...23 A, and the control circuit voltage is 400 V AC 50/60 Hz.
The LG1D182V721 is classified as obsolete by the manufacturer. No official successor order code is provided in the available records. If you are holding a BOM line with this code, the procurement posture is that it can be quoted on request, but it is not a current-production item.