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.

Brochure

Manual

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Features

  • Voltage regulation < +/-1%
  • Can be use in parallel operation
  • Adjustable DIP, TRIM & 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
Output
Voltage
Max. 90 Vdc @ 207 Vac
Current
Continuous 4A
Intermittent 10A for 10 seconds
Resistance
Min. 15 ohms
Voltage Regulation < +/-1% (with 4% engine governing)
Build Up Voltage Residual volts at AVR terminal > 5 Vac
External Volts Adjustment +/-8% with 1 kΩ 1 watt trimmer
Unit Power Dissipation Max. 12 watts
Thermal Drift 0.05% per °C change in AVR ambient
Under Frequency Protection
Set Point
95% Hz
Slope
170% down to 30 Hz
Soft Start Ramp Time 2 seconds
Analogue Input
Max. Input
+/-5 Vdc
Sensitivity
1V for 5% generator volts
Input Resistance
1 kΩ
Droop Input
Burden
10 ohms
Max. Sensitivity
0.07A for 5% droop (PF=0)
Max. Input
0.33A
Environment
Operating Temperature
-40 to +70 °C
Storage Temperature
-40 to +85 °C
Relative Humidity
Max. 95%
Vibration
3.3Gs @ 100 to 2K Hz
AVR Control Functions
VOLT
Voltage adjustment
STAB
Stability adjustment
U/F
Setting under frequency protection knee point
DROOP
Droop adjustment
TRIM
Analogue input adjustment
DIP
U/V rate set
Dimension 150.0 (L) x 135.0 (W) x 48.0 (H) mm
Weight 418 g +/-2%

Diagram and Dimensions

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