EA440 Generators AVR Newage SX440 Replacements

EA440

Automatic Voltage Regulator Sensing Input 240V

EA440 self excited brushless type genset voltage regulator is a compatible replacement for Newage Stamford SX440 and Onan 305-0824.

Features

  • Voltage regulation less than +/-1%
  • Can be use in parallel operation
  • Adjustable DIP, TRIM and DROOP function
  • Under frequency roll Off protection
  • Sensing voltage loss protection
  • Under frequency LED indicator
  • Soft start voltage ramping

Specifications

  • Sensing Input
  • Voltage 190 to 264 Vac 1 phase 2 wire
    Frequency 50/60 Hz selectable
  • Excitation Output
  • Voltage Max. 90 Vdc @ power input 207 Vac
    Current Continuous 4A Intermittent 10A for 10 seconds
    Resistance Min. 15 ohms
  • External Voltage Adjustment
  • Max. +/-8% @ 1K ohm 1 watt potentiometer
  • Voltage Regulation
  • Less than +/-1% (with 4% engine governing)
  • Build Up Voltage
  • 5Vac residual volts at power input terminal
  • Soft Start Ramp Time
  • 2 seconds +/-10%
  • Static Power Dissipation
  • Max. 12 watts
  • Quadrature Droop Input
  • Burden 10 ohms
    Max. input 0.33A
    Max. sensitivity 0.07A for 5% droop (PF=0)
  • Analogue Voltage Input
  • Input resistance 1K ohm
    Max. input +/-5 Vdc
    Sensitivity 1V for 5% generator volts
  • Under Frequency Protection (Factory Presets)
  • Set point 95% Hz
    Slope 170% down to 30 Hz
  • Voltage Thermal Drift
  • Less than 3% at temperature range -40 to +70 °C

AVR Control Functions

  • VOLT
  • Voltage adjustment
  • STAB
  • Stability adjustment
  • UFRO
  • Setting under frequency protection knee point
  • DROOP
  • Droop adjustment
  • TRIM
  • Analogue input adjustment
  • DIP
  • U/V rate set

Environment

  • Operating Temperature
  • -40 to +70 °C
  • Storage Temperature
  • -40 to +85 °C
  • Relative Humidity
  • Max. 95%
  • Vibration
  • 3.3 Gs @ 100 to 2K Hz

Physical Specifications

  • Dimensions
  • 150.0 (L) x 135.0 (W) x 48.0 (H) mm
  • Weight
  • 418 g +/-2%

Downloads

Dimensions

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