HARSEN GU611A Automatic Generator Controller

The HARSEN GU611A Controller is a smart and reliable automatic generator control unit designed to ensure smooth and efficient operation of your generator system. When mains power fails, it automatically starts the generator, and when power returns, it shuts it down after a preset delay. With an intuitive LCD display and simple installation, it is ideal for both industrial and commercial use.

Key Features

• Automatically detects mains failure and starts or stops the generator as needed.

• Operates within 8–35 V DC and supports AC input from 10–300 V RMS.

• Backlit LCD display provides clear visibility even in low-light conditions.

• Supports relay output up to 3A/30 V DC for reliable control.

• Works efficiently in extreme temperatures from –20 °C to +70 °C.

• Compact front panel design (approximately 120 × 102 × 48 mm) fits most generator setups neatly.