EA04C

EA04C

Kutai EA04C Automatic Voltage Regulator (AVR).

Automatic Voltage Regulator (AVR)

Specifications

Sensing InputVoltage 160 to 265 Vac / 300 to 550 Vac 1 phase | Frequency 50/60 Hz selectable
Power InputVoltage 90 to 300 Vac 1 phase
OutputVoltage Max. 63 Vdc @ 240 Vac input | Current Continuous 4A Intermittent 7A for 60 seconds | Resistance Min. 15 ohms / Max. 100 ohms
Voltage RegulationLess than +/-1% (with 4% engine governing)
Build Up VoltageResidual voltage at AVR terminal greater than 5 Vac
Voltage Thermal DriftLess than 5% at temperature range -40 to +70 °C
EMI SuppressionInternal electromagnetic interference filtering
Static Power DissipationMax. 8 watts
External Voltage Adjustment+/-15% with 1K ohm 1 watt potentiometer
Over Excitation ShutdownField volts shut down after a time delay if exciter field volts exceed 100+/-5 Vdc
Under Frequency Protection | (Factory Presets)50 Hz system presets knee point at 45 Hz | 60 Hz system presets knee point at 55 Hz

AVR Control Functions

VOLTVoltage adjustment
STABStability adjustment
SWVoltage or frequency selectable
VAREx. VR

Environment

Operating Temperature-40 to +60 °C
Storage Temperature-40 to +85 °C
Relative HumidityMax. 95%
Vibration1.5 Gs @ 5 to 30 Hz | 5.0 Gs @ 30 to 500 Hz

Physical Specifications

Dimensions107.0 (L) x 75.0 (W) x 47.0 (H) mm
Weight175 g +/-2%