... Surge Arrester is applicable for protection of the power equipment like transformers against system over-voltages and lightning surges. The varistor used in the arrester ... to IEC60099-4 and IEC37-199/CDV.Detailed Specifications of Surge Arrester: Rated Voltage Ur, kV12MCOV, kV10.2Nominal Current In, ... 4)Creepage Distance, mm550Length, mm290Arc Distance, mm180 Distribution Type Surge Arrester