SIMOTICS SD MOTOR TYPE: 1CV2252B Low-voltage motor, IEC Squirrel-cage rotor, self-ventilated, IP55 Temperature class 155(F) according to 130(B) cast iron frame Basic line High Efficiency IE2, In EEA: Minimum efficiency according to applicable statutory regulations ! 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 5, flange: FF500 (A550) 3 PTC thermistors for disconnection (2 terminals) Terminal box at top L23=Relubrication equipment Y82=Extra rating plate with customer data (no modified motor operating data permissible)