The GAC ESD2400 governor series is designed to control engine speed with fast and precise response to transient load changes. This unit is ideal for single running engines and gensets.

GAC ESD2400 electronic governor

The GAC ESD2400 electronic governor provides fast response to transient load changes

This closed loop governor, when connected to a proportional electronic throttle actuator and supplied with a magnetic pickup sensor signal, will control a wide variety of engines in an isochronous or droop mode.

Isochronous speed control supplies a constant frequency of electricity under varying loads – so there will be no generator droop or overshoot. Overshoot is just as problematic as droop and can spell bad news for sensitive equipment such as IT and healthcare systems. The inclusion of isochronous speed control will eliminate the danger of these occurrences.

It is designed for high reliability and it’s also hard potted to withstand harsh engine environments.

Main features include:

  • 12 or 14 VDC.
  • Isochronous Operation.
  • Adjustable PID Functions.
  • Hard Potted.
  • Idle Speed Adjustment.
  • Anti-Windup Circuit.
  • Light Force Option Available.

Will the GAC ESD2400 governor fit my brand of engine?

The GAC ESD2400 governor is compatible with all GAC proportional actuators (except the ACB2001) and is suitable for a wide range of engine brands:

  • Perkins.
  • Yanmar.
  • Kubota.
  • Isuzu.
  • Mitsubishi.
  • Caterpillar.
  • Farymann.
  • Shibaura.

Please download our GAC datasheet which features a full compatibility table – it’ll tell you which governor, actuator & magnetic pickup sensor your engine needs.


Why should I switch to electronic governing?

The GAC range of electronic governing systems make it simple to get maximum productivity from your engines and gensets.

With electronic governing:

  • Gensets maintain a constant frequency whatever the load. Sensitive electronic equipment is protected against damaging fluctuations. This is especially important in IT and healthcare.
  • Engines respond faster to load changes – as much as 200 times faster.
  • You improve your fuel economy because an electronic governor accurately sets the engine’s throttle to match the load. That reduces your bills and also your environmental footprint.
  • You avoid the massive disruption of installing a new engine from scratch.


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