Auto Power Factor Control Panels are extensively used in electricity boards distribution system, pumping station, effluent seaways, water treatment plants, commercial building, housing etc. to improve power factor. the increasing rising power tariff and penalties imposed by the State Electricity Supply Company make imperative for all consumers HT and LT Industry/ to provide an automatic power factor controller factor. Lower power factor leading to poor power efficiency thereby increasing the apparent power drawn from the distribution network. This result in overloading of transformer, bus bars, switchgear, cables and other distribution devices within consumer area.