GAC’s Speed Control Units are precise speed controls designed and manufactured in various configurations to meet application requirements using the latest analog and digital control technologies. Reverse battery polarity and fail-safe protection in the event of loss of speed sensor signal or battery voltage is incorporated in every GAC Speed Control Unit. A wide variety of application needs can be satisfied with GAC’s constant or variable speed governing in isochronous or droop operation. All circuit boards are hard potted or conformally coated to be vibration and moisture resistant. Speed Control Units are application based and can be used with any of GAC's actuators.