WEG 3-phase motor, IE3, 4 kW, 3000 rpm, (=2p), B3T, 400/690 V, 50 Hz, W22Xec, IEC 112M, cast iron

Non-sparking Ex nA motors are designed to prevent the occurrence during normal operating and certain specific abnormal conditions of arcs, sparks & excessive overheating of all inner and outer surfaces of the machine which could reach the self ignition temperature of the surrounding potentially explosive atmosphere.