EA-KOH KOHLER Infrared AVRs Compatible

EA-KOH

Photo Coupler Automatic Voltage Regulator (Infrared)

EA-KOH self excited genset voltage regulator is a compatible replacement for Kohler infrared photo coupler C-255670 regulator.

Features

  • Voltage regulation less than +/-1%
  • Drive infrared LED to control excitation
  • 50/60 Hz optional
  • Under frequency protection
  • Adjustable stability
  • External voltage trimmer applicable

Specifications

  • Sensing Input
  • Voltage 220 Vac 1 phase 2 wire
    Frequency 50/60 Hz select by jumper
  • Power Input
  • Voltage 10 to 26 Vdc
  • Output
  • Current 20 mA
  • External Voltage Adjustment
  • +/-10% @ 1K ohm 1 watt potentiometer
  • Voltage Regulation
  • Less than +/-1% (with 4% engine governing)
  • Static Power Dissipation
  • Max. 2 watts
  • Voltage Thermal Drift
  • 0.05% per °C change in AVR ambient
  • 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

  • STAB
  • Stability adjustment

Environment

  • Operating Temperature
  • -40 to +60 °C
  • Storage Temperature
  • -40 to +80 °C
  • Relative Humidity
  • Max. 95%
  • Vibration
  • 3.3 Gs @ 100 to 2K Hz

Physical Specifications

  • Dimensions
  • 127.2 (L) x 114.5 (W) x 39.0 (H) mm
  • Weight
  • 109 g +/-2%

Downloads

Dimensions

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