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SP Powerworld EA230

Self Excited Automatic Voltage Regulator 100 VDC 8 Amp

The SP Powerworld EA230 Automatic Voltage Regulator is a direct replacement for the Original Leroy Somer R230. It's also Compatible with the following models:

R230B - R220 - R221 - AEM110RE014 & Olympian FG Wilson 922 197.

Accepted worldwide as the only Quality and Legal aftermarket replacement. It's been designed to work in exactly the same way and operates at the same performance. It’s the same size, function and has the same wiring connections, it also comes with 12 months warranty.

Ex stock - shipped Worldwide. For GBP, EURO or USD pricing please contact us:

Sales: [email protected]

Office: [email protected]

Tel: +44 (0)115 923 2568 (United Kingdom)

Tel: (24-hour) +44 (0)7484709956 (United Kingdom)

*All manufacturer names, numbers, symbols and descriptions are used for reference purpose only and do not imply that any part is the product of these manufacturers.



  • Voltage Regulation < ±1%
  • Economical Compact Design
  • For use in 50/60 Hz Brushless Generators
  • EMI Suppression
  • Under Frequency Protection
  • Over Excitation Current Shutdown
  • 120 VAC Optional


Model NO. EA230
Input Voltage 120(90~140) VAC 1 phase 2 wire
Frequency 45~65 Hz
Output Voltage Max. 100 VDC @ 120 VAC input
Current Continuous 8A, Intermittent 10A for 10 sec.
Resistance Min. 15 Ohm
Voltage Regulation < ±1% (with 4% engine governing)
Voltage Build-up Residual volts at AVR terminal > 5 VAC
External Volts Adjustment ±5% with 5 K Ohm 1/2 watt trimmer
Unit Power Dissipation Max. 6 watt
Thermal Drift 0.03% per °C change in AVR ambient
EMI Suppression Internal electromagnetic interference filtering
Under Frequency Protection Knee point 47/57 Hz (Adjustable)
Environment Operating Temperature : -40~60 °C
Storage Temperature : -40~85 °C
Relative Humidity : Maximum 95%
Vibration : 1.5G @ 5~30 Hz / 5.0G @ 30~500 Hz
AVR Controls Functions VOLT : Voltage Adjustment
STAB : Stability Adjustment
U/F*: To Set the U/F Knee Point (*U/F: Under Frequency Protection)
Shock Withstands up to 20G in each X, Y, Z axes
Dimensions 140.0 (L) x 75.0 (W) x 51.0 (H) mm
Weight 310 g ±2%

*Note : All features & specifications subject to change without notice.