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Generator Automatic Control and Protection Module

GCU-100 Generator Automatic Control and Protection Module is suitable for most generators available on the market, it is equipped with graphical warning signals and 3 sets of 4 digits LED display to display the real time 3 phase voltage, current, frequency, battery volt, running hours and setting values.



  • Micro-Processor Auto Control Protection
  • Three Sets of High Illuminating LED Display Suitable for Indoor and Outdoor Use
  • Full Function Modularized Design for Easy Installation
  • All Functions Setting Can Be Done Directly On GCU-100 No Need For PC Connection*
  • All settings are recorded into the internal (EEPROM) and protected from erasure even without battery
  • Easy to Understand Graphical Warning Signals
  • Din Rail Terminal For Easy Installation
  • IP65 Waterproof Front Panel
<p class="anno"><span class="red">*</span>User can Program, Change and Cancel Protection and Warning Settings according to the requirement</p>


Model NO. GCU-100
Power Input Voltage 9~35 VDC (12V , 24V)
Sensing Input Voltage 15~510 VAC
Frequency 50/60 Hz
Power Dissipation Max. 5 watt
MPU Signal Input Voltage ±2 to ±70 VAC
Frequency Min. 100 Hz , Max. 10 KHz
CT Specification Burden Above 2.5 VA
CT Secondary Ratio 5A
Protection & Alarm Status
  • Engine Start Failure
  • Emergency Stop Activated
  • High Engine Temperature
  • Low Engine Oil Pressure
  • Engine Over & Under Speed
  • Abnormal AC Volt
  • Generator Over Load
  • Low Fuel Level
  • Charge Motor Failure
  • Abnormal DC Volt
  • Scheduled Maintenance Warning
  • Free Programmable warning
Panel Display
  • Fixed or Circulating Full Phase Voltage, Current and Frequency
  • Engine Operation Hours
  • DC Voltage (Battery)
  • Delay Countdown Display
Environment Operating Temperature : -20~70 °C
Relative Humidity : Maximum 90%
Max. Vibration : 5~25 Hz , ±1.6 mm , 25~100 Hz , a=4g
Panel Installation Cut-Out 137.0 x 137.0 ±0.5 mm
Dimensions 147.8 (L) x 147.8 (W) x 62.3 (H) mm
Weight 604 g ±2%

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