EA04A

EA04A

EA04A Automatic Voltage Regulator (AVR).

Automatic Voltage Regulator (AVR)

Specifications

Sensing & Power InputVoltage 120(90 to 132) / 240(171 to 264) Vac DIP switch selectable | Frequency 50/60 Hz selectable
OutputVoltage | Max. 32 Vdc @ 120 Vac input | 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 Voltage5Vac residual volts at power input terminal
External Voltage Adjustment+/-15% with 1K ohm 1 watt potentiometer
Static Power DissipationMax. 8 watts
EMI SuppressionInternal electromagnetic interference filtering
Voltage Thermal DriftLess than 5% at temperature range -40 to +70 °C
Under Frequency Protection | (Factory Presets)50 Hz system presets knee point at 45 Hz | 60 Hz system presets knee point at 55 Hz
Over Excitation ShutdownField volts shut down after a time delay if exciter field volts exceed 100+/-5 Vdc

AVR Control Functions

VOLTVoltage adjustment
STABStability adjustment

Environment

Operating Temperature-40 to +60 °C
Storage Temperature-40 to +85 °C
Relative HumidityMax. 90%
Vibration1.5 Gs @ 5 to 30 Hz | 5.0 Gs @ 30 to 500 Hz

Physical Specifications

Dimensions100.0 (L) x 68.5 (W) x 33.0 (H) mm
Weight230 g +/-2%