Input voltage range:380V±15% Input frequency range:47~63Hz Control mode: Vector control with PG (VC), sensorless vector control (SVC), V/F control.     

 Speed accuracy:±0.1%~±1%    

Environmental temperature:-45°C-65°C, Ultra-low temperature protection   

 Stepless speed regulation:0~200r/min     

Anti-reverse function:Emergency braking and Energy bleeder function   

Fault protections:Protect from over current, over voltage, under voltage, phase failure, over load, speeding etc    

 Control system for Direct drive screw pump

Control system for Direct drive screw pump