Attributes . ADJUSTABLE PI REGULATOR,AGAINST EXCEEDING LIMIT SPEED DRIVE-SHORT-CIRCUIT BETWEEN MOTOR PHASES DRIVE-THERMAL PROTECTION DRIVE-MOTOR PHASE BREAK MOTOR-POWER REMOVAL MOTOR-THERMAL PROTECTION MOTOR-AGAINST INPUT PHASE LOSS DRIVE-BREAK ON THE CONTROL CIRCUIT DRIVE-INPUT PHASE BREAKS DRIVE-LINE SUPPLY OVERVOLTAGE DRIVE-LINE SUPPLY UNDERVOLTAGE DRIVE-OVERCURRENT BETWEEN OUTPUT PHASES AND EARTH DRIVE-OVERHEATING PROTECTION DRIVE-OVERVOLTAGES ON THE DC BUS DRIVE,INTERNAL SUPPLY FOR REFERENCE POTENTIOMETER (1 TO 10 KOHM) 10.5 V DC +/- 5 , . Names