EA350 Marathon SE350 Voltage Regulators Replacements

EA350

Automatic Voltage Regulator 73Vdc 3.5Amp

EA350 self excited brushless type genset voltage regulator is a compatible replacement for Marathon SE350 regulator and Basler AVC63-4D regulator.

SE350 and AVC 63-4D only fits 220 Vac generators, please use EA350-220V for direct replacement.

CE logo EN61204-3:2001 Certified

Features

  • Voltage regulation less than +/-1%
  • Optional 120/240 Vac sensing input switch
  • 50/60 Hz selectable
  • Under frequency protection
  • Built-in high breaking capacity fuse
  • EMI Suppression

Specifications

  • Sensing and Power Input
  • Voltage 85 to 135 Vac / 190 to 240 Vac
    Frequency 50/60 Hz Jumper selectable
  • Output
  • Voltage Max. 36 Vdc @ power input 120 Vac / Max. 73 Vdc @ power input 240 Vac
    Current Continuous 4A Intermittent 7A for 10 seconds (52/105 Vdc)
    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 5Vac
  • External Voltage Adjustment
  • +/-5% @ 1K ohm 1 watt potentiometer
    +/-10% @ 2K ohm 1 watt potentiometer
  • EMI Suppression
  • Internal electromagnetic interference filtering
  • Unit Power Dissipation
  • Max. 8 watts
  • Under Frequency Protection (Factory Presets)
  • 50 Hz system presets knee point at 45 to 51 Hz
    60 Hz system presets knee point at 54 to 61 Hz

AVR Control Functions

  • VOLT
  • Voltage adjustment
  • STAB
  • Stability adjustment
  • U/F
  • Setting under frequency protection knee point

Environment

  • Operating Temperature
  • -40 to +60 °C
  • Storage Temperature
  • -65 to +85 °C
  • Relative Humidity
  • Max. 95%
  • Vibration
  • 1.3 Gs @ 5 to 26 Hz
    5.0 Gs @ 52 to 1000 Hz

Physical Specifications

  • Dimension
  • 98.7 (L) x 67.0 (W) x 47.5 (H) mm
  • Weight
  • 205 g +/-2%

Downloads

Dimensions

Rotating Image

CE Test Standards

CE logo
  • EN61204-3:2001
    • CISPR 22 Class B
    • IEC61000-3-2:2005+A1:2800+A2:2009
    • IEC61000-3-3:2008
  • EN61204-3:2001
    • IEC61000-4-2:2008                       IEC61000-4-3:2006+A1:2007+A2:2010
    • IEC61000-4-4:2004+A1:2010         IEC61000-4-5:2005
    • IEC61000-4-6:2008                       IEC61000-4-11:2004