Features
1 or 3 phase sensing input & power input
Voltage regulation < +/-0.5%
220/380/440/480 Vac programmable input
DIP switch selectable 50/60 Hz
Multiple excitation system compatibility: SHUNT, AUX, PMG
Inverse-time over excitation protection
Under frequency protection and soft start voltage ramping
EMI suppression
Built-in high capacity protection fuse
Specifications
Sensing Input
Voltage
180 to 520 Vac 1 or 3 phase selectable
Frequency
50/60 Hz selectable
Power Input
Voltage
100 to 300 Vac 1 or 3 phase
Frequency
50 to 500 Hz
Output
Voltage
Max. 125 Vdc @ power input 220 Vac
Current
Continuous 12A,
Intermittent 25A for 10 seconds
Resistance
≧ 5 ohms @ power input 110 Vac,
≧ 11 ohms @ power input 220 Vac
Burden in Shunt & PMG Wiring
1320 VA @ power input 110 Vac
2640 VA @ power input 220 Vac
Volts Regulation
< +/-0.5% (with 4% engine governing)
Build Up Voltage
Residual volts at AVR power input terminal > 6 Vac @ 25 Hz
Unit Power Dissipation
Max. 12 watts
EMI Suppression
Internal electromagnetic interference filtering
Over Excitation Protection
Inverse-time 125 +/-5 Vdc @ power input 220 Vac
External Volts Adjustment
+/-5% 10 kΩ 1 watt potentiometer
Soft Start Ramp Time
4 seconds
Voltage Thermal Drift
0.03% per °C change in AVR ambient
Analog Input
Un 0 to 10% @ 0 to 10 Vdc or +/-0.5 Vdc
Under Frequency Protection (Factory Setting)
50 Hz system presets knee point at 47 Hz
60 Hz system presets knee point at 57 Hz
(-40 to +70 °C deviation 0.1 Hz)