DEIF GENSET CONTROLLER Automatic Genset Controller AGC-4 Mk II The automatic genset controller AGC-4 MK II can be used as a single genset controller. Also, several AGCs can be connected in a complete power management system for synchronising projects, islanded or paralleled to the mains. The generator controller is ideal for mission-critical applications such as hospitals and data centres, and it is capable of delivering backup power in only six seconds.