Changeover

TPN DBS Double Door Changeover is a manually operated changeover switch that is applied in switching load between two power supplies. It is mainly used in industries as well as in domestic area especially in Individual Bungalow(IB) for use in low voltage distribution circuits. Changeover switches are used to shift from one source of supply to another source and vice versa. The changeover switch comes in 2P and 4P versions, for single and three phase application respectively. It has three positions ( I-O-II ) with centre-off. They are switch disconnectors with the independent manual operation, capable of making, carrying and breaking currents under normal circuit conditions.