The GAC ESD5300 governor is a speed control unit designed to precisely control engine speed and provide fast precise response to transient engine loads.

This speed control is intended to be used with all GAC actuators including the ACB-2000. A complete closed loop control system is formed with the addition of a magnetic pickup signal sensing engine speed and 24 Volt DC power.

Functionally the same as ESD5100, the ESD5300 has additional features: speed ramping circuitry and starting fuel limiting for engine emission control. It also features a two element speed switch and a high power actuator output.


What are the main features of the ESD5300 governor?

  • 12 or 24 Volts.
  • Isochronous, Variable & Droop Operation.
  • Adjustable PID.
  • Idle Speed Adjustment.
  • Auxiliary Accessory Inputs.
  • 2 Element Speed Switch.
  • Speed Ramping.
  • Starting Fuel Control.
  • Dual Gain.
  • Unique Actuator Power Drive Circuit.
  • Soft Coupling.
  • EFC Forward Acting / Light Force Option.

Other standard features include; adjustable droop, accessory inputs for load sharing, variable speed governing, protection against reverse battery voltage and transient voltages, and a fail safe design in the event of loss of speed signal or battery supply.

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