Digital Generator Governor Controller


Generator Governor Controller No Magnetic Speed Pickup Needed

EG4015 uses the detected frequency of the input voltage to control generator engine speed so the magnetic speed pickup is not required. Applicable to all types of generator engines and also supports Cummins high-gain engine types (PT PUMP).

EG Model Comparison Table


  • Senses generator frequency, no magnetic pickup (MPU) is required
  • Applicable to all types of gas and diesel generator engines
  • Supports External, Internal, and PT Pump mounted types actuators
  • Idle function and Speed adjustment through the connection of an external potentiometer
  • Idle & Speed Controls through the connection of an external potentiometer
  • Loss Sensing, Overspeed, and actuator short circuit protections
  • Applicable for 12/24V operating voltage with reverse polarity protections
  • Internal electromagnetic interference filtering
  • Moisture, vibration, and rust protected, epoxy encapsulated electronics


Operating Voltage 10 to 32 Vdc
Reverse Voltage Protection Max. -50 Vdc
Output Current Continuous 15A
Sensing Input Voltage Range 1 to 600 Vac
Sensing Frequency Range 5 to 100 Hz
EMI Suppression Internal electromagnetic interference filtering
Steady State Speed Band +/-0.25% (with stable load)
Idle Speed Frequency 25 Hz @ 50 Hz
30 Hz @ 60 Hz
Temperature Drift Frequency Range 0.1 Hz @ -40 to +80 °C
External Frequency Control +/-2 Hz 5 kΩ 1watt potentiometer
Static Power Dissipation Min. 120 mA @ 12 Vdc
Min. 60 mA @ 24 Vdc
Governor Controls
50 Hz : 45 to 55 Hz
60 Hz : 55 to 65 Hz
PID Differential adjustment
PID Actuator output gain adjustment
DIP Switch Settings
SW1 Actuator types
External or Internal mount
PT PUMP mount
SW2 Ramp time
10 seconds ramp time
Immediate start
SW3 Frequency
60 Hz
50 Hz
Operating Temperature
-40 to +80 °C
Storage Temperature
-40 to +85 °C
Relative Humidity
Max. 95%
5.0Gs @ 60 Hz
Dimension 162.0 (L) x 112.0 (W) x 43.0 (H) mm
Weight 330 g +/-2%