The Schneider LC1E0901P7 is a 3-pole contactor from the Easy TeSys Control range, rated for motor control at 4 kW on 400 V AC-3 duty. That AC-3 utilisation category means it's designed for starting and stopping squirrel-cage induction motors — the standard load for conveyors, pumps, and fans in a control panel. The 400 V coil voltage matches common European three-phase line supplies. IP2X protection means fingers won't reach live parts, but it's not sealed against dust or water — this is for inside a cabinet, not washdown areas.
The AC-3 rating at 400 V and 4 kW is the headline number for motor switching. AC-3 covers starting currents up to 6-8x rated current and breaking the motor at full load. If your motor plate says 4 kW at 400 V, this contactor is sized correctly. The contactor also carries AC-1 (resistive load) and AC-3e (enhanced motor) ratings, so it can handle heater banks or lighting contactor duty as well. This matters for interlocking circuits where overlapping signals could cause a short or a logic race. Mechanical robustness is specified: vibrations at 1.5 Gn (open) and 3 Gn (closed) from 5 to 300 Hz, and shocks at 7 Gn (open) and 10 Gn (closed) for 11 ms. That's enough for most industrial machinery but not for extreme shock applications like presses or crushers without additional damping.
It also meets EN/IEC 60335-1 Clause 30.2 and -2-40 Annex JJ for appliance applications. This is a globally accepted contactor for industrial control panels.