McPherson Controls | Voltage Regulator | EA-230

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McPherson Controls | Voltage Regulator | EA-230


  • Replacement for Leroy Somer EA230 
  • McPherson Controls Self Excited Automatic Voltage Regulator 
  • Not a genuine Leroy Somer product 

Available on backorder. Usually ships in 3 to 5 business days.

can be export

Product can be export to the Caribbean, Latin America and other parts of the world with an additional payment.

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SKU: EA-230
Additional Info


Details and Specifications

  • Voltage regulation less than +/-1% 
  • Economical compact design 
  • For use in 50/60 Hz brushless generators 
  • EMI suppression 
  • Under frequency protection 
  • Over excitation current shutdown 

Product Specifications:

Sensing Input Voltage 90 to 140 Vac @ 120 Vac 1 phase 2 wire 

Frequency 50/60 Hz 

Excitation Output Voltage Max. 100 Vdc @ power input 120 Vac 

Current Continuous 3.5A Intermittent 5A for 10 seconds 

Resistance Min. 15 ohms 

External Voltage Adjustment Max. +/-5% @ 1K ohm 0.5 watt potentiometer 
Voltage Regulation Less than +/-1% (with 4% engine governing) 
Build Up Voltage 6 Vac residual volts at power input terminal 
EMI Suppression Internal electromagnetic interference filtering 
Static Power Dissipation Max. 6 watts 
Under Frequency Protection
(Factory Presets) 
Adjustable range 45/55 Hz 
Voltage Thermal Drift Less than 3% at temperature range -40 to +70 °C 


AVR Control Functions 
VOLT Voltage adjustment 
STAB Stability adjustment 
U/F Setting under frequency protection knee point 


Operating Temperature -40 to +60 °C 
Storage Temperature -40 to +85 °C 
Relative Humidity Max. 95% 
  1. Gs @ 5 to 30 Hz 

5.0 Gs @ 30 to 500 Hz 


Physical Specifications 
Dimensions 140.0 (L) x 81.0 (W) x 46.0 (H) mm 
Weight 310 g +/-2% 
Shock Withstands up to 20G in each X, Y, Z axes 

PRODUCT Related documents:

EA-230 Manual

EA-230_ADVR-250 Comparison Table

Additional Info
Weight1 lbs
Dimensions6.5 × 3.75 × 3.25 in


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