Main features
• Multi-Voltage Units,
• Isochronous, Variable & Droop Operation,
• Adjustable PID,
• Idle Speed Adjustment,
• Auxiliary Accessory Inputs,
• Speed Ramping,
• Starting Fuel Control,
• Soft Coupling,
• EFC Forward Acting / Light Force Option,
• Throttle Body Gas Application Option,
• Anti-Windup Circuit Option .

The GAC ESD5500E Series speed controller is the latest generation of speed controllers that provide a range of functionality for genset and industrial engine applications.
Provides ISOCHRONOUS, DROOP and VARIABLE SPEED modes of operation Provides 2 speed (IDLE/RUN) function Direct Auxiliary input for ILS LOAD SHARING MODULES and AUTO SYNCHRONISERS User adjustable P.I.D loop functionality to optimise the response of the prime mover. Built in starting fuel control to limit black smoke emission on engine start Soft ramping acceleration when changing from idle to rated speed or when starting the engine
Designed using the latest SMT (surface mounted technology) for greater steady state control and component reliability
Compatible with all GAC Actuators (EXCLUDING ACB2001)