Product Description
Harsen GU611A Genset Controller
The Harsen GU611A is a highly reliable and advanced generator set controller module expertly designed for the seamless monitoring, control, and protection of gensets. Manufactured by Harsen Electric Co. Ltd., this robust unit features a clear LCD display and intuitive operation buttons—including Stop, Auto, Manual, and Start—for user-friendly configuration and operation. Engineered to support both 12V and 24V DC power systems seamlessly, it offers comprehensive monitoring capabilities with dedicated terminal connections for 3-phase Mains Volts, Generator Volts, Generator Amps (current sensing), and critical engine sensors for Oil Pressure and Coolant Temperature. Equipped with essential control outputs for Mains Close, Gen Close, Crank, and Fuel, alongside an RS communication port for advanced connectivity, the CE-certified GU611A ensures optimal performance, safety, and longevity for your power generation equipment.
Technical Specifications:
- Brand: Harsen
- Model: GU611A
- DC Input Voltage: 8-35V DC (Compatible with 12V and 24V systems)
- Current Consumption: 180mA
- Display & Interface: LCD display with Stop, Auto, Manual, and Start buttons
- Measurement Inputs: 3-Phase Mains Volts, Generator Volts, and Generator Amps (current sensing)
- Sensor Inputs: Oil Pressure and Coolant Temperature
- Control Outputs: Mains Close, Gen Close, Crank, and Fuel
- Communication: Built-in RS communication port
- Certification: CE Approved

Harsen GU611A Genset Controller
Optimize your generator’s performance with the Harsen GU611A Genset Controller. This CE-certified module features an intuitive LCD display, 12V/24V DC compatibility, and comprehensive monitoring for mains/generator voltage, oil pressure, and coolant temperature. Perfect for reliable automatic and manual genset management.



