DC MOTOR, IP 23 FAN UNIT, RADIALLY-MOUNTED UNCOMPENSATE ARM. CONTR. TO 10MIN-1,M=CONST 52,5KW, 1660MIN-1, 520 V, 114 A ; 310V FIELD VOLTAGE, IM B 3 A11=THERMAL MOTOR PROTECTION IN THE INTERPOLE WINDING WITH PTC THERMISTOR FOR TRIP G14=AIRFILTER H54=PULSE GENERATOR ROD 436.001 (HEIDENHAIN) 2X1024 PULSES PER REVOLUTION MOUNTING COSTS WITH DEVICE K09=TERMINAL BOX RIGHT K20=HEAVY-DUTY BEARING