EA04C Generators Voltage Regulators Basler VR63-4 Replacements

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.

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

  • 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%

Downloads

Dimensions

Rotating Image