Automatic Voltage Regulator AVR KR440 for Generator Genset
Features:
Applicable to self-excited generator, brushless generator with frequency 50Hz or 60Hz;
With parallel operation function;
Under Frequency Roll Off Protection;
With underfrequency indication;
Technical parameters
Build-up voltage 3.5V ac @ AVR socket
Power input
Voltage 170-250VAC
Frequency 50/60Hz (jumper selectable)
Sensing input
Voltage 170-260V or 340-520V (jumper selectable)
Frequency 50/60Hz (jumper selectable)
Production
Voltage max 90V dc @ input 207V ac
Current 4A consecutive current output
6A instantaneous current for 10 sec.
Excitation resistance Min.15Ω
Under Frequency Protection (UFRO)
Set 95%Hz (factory default)
Tilt 170% down to 30 Hz
Adjusted speed ±1% (with 4% motor control)