Harsen GU660A Generator Controller

Advanced Synchronizing and Paralleling Control Module

The Harsen GU660A is an intelligent generator controller designed for synchronizing, paralleling, and monitoring multiple generator sets. It provides comprehensive control, protection, and communication functions, making it ideal for complex power systems in industrial, commercial, and utility applications.

Built with a high-speed microprocessor and a large graphic LCD display, the GU660A ensures accurate monitoring and stable operation. It supports multiple communication interfaces and parallel control of up to 16–32 generator sets, ensuring flexible system configuration and precise load management.

Key Features:

• Supports synchronizing and paralleling of multiple generator sets

• Large 240×160 graphic LCD display with multilingual menu

• True RMS measurement for voltage, current, and frequency

• Real-time clock and event log for detailed monitoring

• Communication via RS-232, RS-485, CAN (J1939), and USB

• Configurable inputs and outputs for flexible system control

• Built-in protection for overvoltage, overcurrent, and engine faults

• Compatible with diesel and gas generator systems