Metal Oxide Surge Arrester

Main guaranteed technical prticulars of MOA which have passed KEMA type test according to IEC 60099-4 and ANSI standard Typical technical parameter of metal oxide surge arresters System nominal voltage(kV):15 Type code of MOA: YH10W-15/47 System highest voltage(kV):18 Rated voltage of arresters(Ur)(kV):15 Continuous operationg voltage(Ur)(kV):12 Nominal discharge current(In)(kV):10 High current 4/10 impulse withstand(kA):100 2ms rectangular current(A):250 Steep current impulse residual voltage(kV):40 Lightning impulse residual voltage(kV) 5kA:42 10kA:47 20kA:55 Switching current impulse residual voltage(kV):27 Lind discharge class:I Pressure relief class:B, 20 Insulation impulse withstand voltage(kV): 95 Power frequency withstand voltage(kV):55 Max.External RIV(V):<=500 Max.Partial discharge(PC):<=10 Creepage distance(mm):520 Note:If arrester with porcelain housing, type code should not include"H". Wecan produce both in porcelain housing andpolymeric housing.