GAC ESD2200 Series Speed Control Units (Electronic Governors)
The GAC ESD2200 Series speed control unit is an electronic governor designed to precisely control engine speed on diesel engines and generator systems. It delivers fast and accurate response to load changes, ensuring stable operation in demanding applications.
This closed-loop control system works with a proportional electric actuator and magnetic speed sensor to maintain consistent engine speed in either isochronous or droop mode.
Reliable Engine Speed Control
The ESD2200 series is widely used in generator systems and industrial engines where maintaining constant speed and frequency is critical. Its rugged, hard-potted design ensures durability and long-term reliability in harsh engine environments.
Key Features
- Precise electronic speed control unit for diesel engines
- Supports isochronous and droop operation
- Fast response to load changes and transient conditions
- Compatible with proportional electric actuators
- Adjustable PID control functions for tuning performance
- Available in 12V and 24V configurations
- Hard-potted construction for durability in harsh environments
- Light force options available for low-current applications
Applications
- Generator speed control systems
- Diesel engine governors
- Industrial engine applications
- Replacement for GAC speed control units
How It Works
The ESD2200 speed control unit regulates engine speed by adjusting fuel delivery through an actuator based on feedback from a magnetic speed sensor. This ensures consistent RPM and stable operation even under changing loads.
Important Notes
- Requires compatible actuator and magnetic speed sensor
- Proper installation and tuning are required for optimal performance
- Contact us if you need help selecting the correct model
Available Models:
- ESD2210-12 – 12V Standard Unit
- ESD2210-24 – 24V Standard Unit
- ESD2241-24 – 24V w/ Idle Circuit
- ESD2244-12 – 12V Light Force
- ESD2244-24 – 24V Light Force










