1,Low Voltage Surge Protection2,MOA high performance,lower discharge,large creepage ... ,Surge Arrester,Surge Protector,Surge Protective Device,Surge Suppressor,Low Voltage Surge Protection,Surge Protecton Device,Lightning Protection,Distribution Surge ... maintenanceHigh performance zinc oxide varistor, high-capacity, low-leakage Real with DC reference voltage, square-wave-pass flow capacity and high ...