Bgb, a reputed house of overhead transmission line materials manufactures center rotating type triple pole outdoor disconnecting switches. They have higher line current breaking capacity for line isolators and bus bar isolators. The isolators are equipped with a fixed and moving contacts, which are manufactured from hdhc. Copper and die forged fingers of phosphorus bronze are capable of withstanding high temperature. All ferrous parts are hot dipped galvanized and non ferrous parts are tin platted to prevent corrosion. The fixed and moving assemblies works on self compensating principle to withstand both thermal and dynamic stresses of short circuit currents.
