Generators Voltage Regulators Basler VR63-4 Replacements

EA04C

Self Excited Automatic Voltage Regulator 63 Vdc 4 Amp

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.

Brochure

Manual

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

Features

  • Voltage regulation < +/-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

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 < +/-1% (with 4% engine governing)
Build Up Voltage Residual voltage at AVR terminal > 5 Vac
Voltage Thermal Drift 0.05% per °C change in AVR ambient
EMI Suppression Internal electromagnetic interference filtering
Unit Power Dissipation Max. 8 watts
External Volts Adjustment +/-15% with 1 kΩ 1 watt trimmer
Over Excitation Shutdown Field volts shut down after a time delay if exciter field volts exceed 100+/-5 Vdc
Under Frequency Protection
(Factory Setting)
50 Hz system presets knee point at 45 Hz
60 Hz system presets knee point at 55 Hz
Environment
Operating Temperature
-40 to +60 °C
Storage Temperature
-40 to +85 °C
Relative Humidity
Max. 95%
Vibration
1.5Gs @ 5 to 30 Hz
5.0Gs @ 30 to 500 Hz
AVR Control Functions
VOLT
Voltage adjustment
STAB
Stability adjustment
SW
Voltage or frequency selectable
VAR
Ex. VR
Dimension 107.0 (L) x 75.0 (W) x 47.0 (H) mm
Weight 175 g +/-2%

Diagram and Dimensions

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