What this enclosed DOL starter is
The Schneider LG1D122P716 is an enclosed direct-on-line starter from the TeSys LG range, combining a contactor, a circuit-breaker, a switch disconnector, and a rotary isolating switch in one IP55 polycarbonate enclosure — ready to bolt onto a machine frame or wall panel and wire up to a motor. It is rated for AC-3 utilisation category (switching squirrel-cage motors) and delivers 3 kW at 220/230 V AC and 5.5 kW at 400/415 V AC or 440 V AC, all at 50/60 Hz. The thermal protection adjustment range is 9…14 A, and the control circuit is 230 V AC 50/60 Hz via the built-in pushbuttons (white start, black stop) and a red rotary emergency-stop handle.
This part is marked obsolete by the manufacturer. If you need a like-for-like replacement, the closest functional match is another TeSys LG enclosed starter with the same thermal range and coil voltage; verify the enclosure dimensions (165 mm depth, 175 mm width, 165 mm height) and cable-entry layout (4 entries, Pg 13 and Pg 16 top and bottom) to confirm fit.
IP55 means the enclosure is dust-protected and hose-down resistant — suitable for washdown areas in food processing or light industrial environments, not submersion. IK07 impact resistance (1 joule) means it can withstand accidental tool drops or bumps during maintenance without cracking the polycarbonate housing. The AC-3 motor-switching rating is the one that governs real use: at 400 V it handles a 5.5 kW motor, which is the figure a panel builder or MRO planner should match to the load nameplate — the thermal overload setting of 9…14 A then fine-tunes protection for the actual motor full-load current. The control circuit is 230 V AC only — no dual-voltage or DC coil option here, so the supply to the pushbutton circuit must match that voltage.