EA04C

Self Excited Automatic Voltage Regulator 63Vdc 4Amp

EA04C is a self excited brushless type AVR. It’s a compatible replacement for Basler VR63-4, VR63-4A and Marathon SE100A but with higher Sensing Input from 160 to 550 Vac.

All manufacturer names and numbers are used for reference purpose only and do not imply that any part is the product of these manufacturer.

Description
Additional information

Features

Voltage regulation less than +/-1%
Sensing input 160 to 265 Vac / 300 to 550 Vac 50/60 Hz
For use in 50/60 Hz brushless generator
Under frequency & over excitation protection
EMI suppression
Built-in high breaking capacity fuse
Use with KUTAI EP200 Paralleling Module for parallel operation

Specifications

Specifications
Sensing Input	Voltage 160 to 265 Vac / 300 to 550 Vac 1 phase Frequency 50/60 Hz selectable
Power Input	Voltage 90 to 300 Vac 1 phase
Output	Voltage Max. 63 Vdc @ 240 Vac input Current Continuous 4A Intermittent 7A for 60 seconds Resistance Min. 15 ohms / Max. 100 ohms
Voltage Regulation	Less than +/-1% (with 4% engine governing)
Build Up Voltage	Residual voltage at AVR terminal greater than 5 Vac
Voltage Thermal Drift	Less than 5% at temperature range -40 to +70 °C
EMI Suppression	Internal electromagnetic interference filtering
Static Power Dissipation	Max. 8 watts
External Voltage Adjustment	+/-15% with 1K ohm 1 watt potentiometer
Over Excitation Shutdown	Field 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
VOLT	Voltage adjustment
STAB	Stability adjustment
SW	Voltage or frequency selectable
VAR	Ex. VR

Environment
Operating Temperature	-40 to +60 °C
Storage Temperature	-40 to +85 °C
Relative Humidity	Max. 95%
Vibration	1.5 Gs @ 5 to 30 Hz 5.0 Gs @ 30 to 500 Hz

Physical Specifications
Dimensions	107.0 (L) x 75.0 (W) x 47.0 (H) mm
Weight	175 g +/-2%

Weight	0.18 kg
Dimensions	10.7 × 7.5 × 4.7 cm