The Schneider Electric TeSys LC4D40M7 is a direct-on-line (DOL) starter combining a contactor and fuse-disconnector in one unit, rated for AC-3 duty at 40 A continuous current and a 220 V AC 50/60 Hz coil. The AC-3 utilisation category means it is designed for starting and stopping squirrel-cage motors under full load — the 40 A rating corresponds to motor power up to 11 kW at 220...230 V AC and 22 kW at 415 V AC. Mounts on a plate, sized at 281 mm wide × 143 mm high × 130 mm deep, so it fits into a panel layout where a DIN-rail footprint is not available.
The 40 A rated operational current (Ie) in AC-3 is the motor-switching current, not the resistive-heating current — if your motor draws 38 A full-load at 400 V, this starter handles it, but verify the fuse-disconnector coordination with your upstream protection. Coil voltage is 220 V AC 50/60 Hz — match this to your control-circuit supply; a 230 V control transformer is fine, but a 110 V or 24 VDC coil will not pull in this unit. Plate mounting (not DIN rail) means you need pre-drilled holes or a mounting bracket in the panel — factor that into the layout before committing the BOM line.