An MSAC offers an innovative and versatile design with hand/off/auto capability and class 10 or 20 electronic overload (1-40 FLA). The unit provides LED status indicators in case of faults and provides advanced control capability for dampers, fireman's override, shutdown, permissive auto, and fault status. The MSAC is available with an optional disconnect for manual control of input power. Available in NEMA-1, NEMA-3R and NEMA-4X enclosures.