... -2008 Function: Cable surge voltage limiter is mounted between cable metal security layer and ground, under normal circumstances, the current through ... very small, in microamps level ,when overvoltage appears, protective layer protector quickly put into operation, discharge the cable protecting layer and ... (Ⅱ)22013.6/4311540050LHQ-5005007.5/418*8.340050 33kV Cable metal sheath protector