SIMOTICS SD MOTOR TYPE: 1CV3252B Low-voltage motor, IEC Squirrel-cage rotor, self-ventilated, IP55 Temperature class 155(F) according to 130(B) cast iron frame Basic line Premium Efficiency IE3, 60 Hz, P60: IE2 4-pole * Size 250M * 55kW (50 Hz) 63kW (60 Hz) 3 AC 50 Hz 400 VD/690 VY * 3 AC 60 Hz 460 VD IM B 3, 3 PTC thermistors for disconnection (2 terminals) Terminal box at top B02=Acceptance test certificate 3.1 according to EN 10204 L51=Bearing insulation NDE NDE