Harsen GU3303-00 Genset Controller
The Harsen GU3303-00 is a highly reliable digital controller engineered for the seamless automation, monitoring, and protection of generator sets. It features a clear LCD display interface paired with tactile push-buttons for Auto, Manual, Start, and Stop functions, ensuring straightforward and intuitive operation. This intelligent module is equipped with robust terminal blocks for integrating essential engine sensors (Oil, Temperature, Aux-Sens), configurable digital inputs (DIN1, DIN2, DIN3), and versatile relay outputs. For streamlined system configuration, the controller includes an RS interface (USB port) allowing for direct communication and easy programming. Operating efficiently across a wide 8-35V DC power supply range, the GU3303-00 is an essential component for modern genset management and power reliability.
Technical Specifications:
- Brand: Harsen
- Model: GU3303-00
- Part Number: 105001
- Power Supply: 8-35V DC
- Power Consumption: 120mA
- Display Interface: Digital LCD
- Control Modes: Auto, Manual, Start, Stop
- Input/Output Ports: Digital inputs (DIN1, DIN2, DIN3), Sensor inputs (Oil, Temp, Aux-Sens), Relay outputs
- Communication: RS interface (USB port) for programming

| Brand | Harsen |
|---|---|
| Model | GU3303-00 |
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ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
The cut-off point for orders to be shipped the same day is 14:00 – please contact us to confirm stock levels before placing your order
Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
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- must be paid for in full before any goods are dispatched
- require a signature upon delivery. Please ensure delivery can be made to an address where someone will be available to sign for the delivery
- are packaged with great care, ensuring your order and the contents it contains, makes it safely through the delivery network
Harsen GU3303-00 Genset Controller
Optimize your generator’s performance with the Harsen GU3303-00 Digital Genset Controller. Featuring an intuitive LCD display, USB programming interface, and 8-35V DC operation, this reliable module provides comprehensive auto/manual control, sensor monitoring, and engine protection for industrial power systems.

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