Surge Protector for Electrical Equipment OPН-U-6-10-15-20-27-35-110-220 kV - Protects Against Overvoltage

They are intended for protection against atmospheric and switching overvoltages of electrical equipment:- in electric networks with voltage 6, 10, 15, 20, 35 kV with isolated or compensated neutral; - in electric networks with voltage 110 - 220 kV with effectively grounded neutral; - rolling stock and traction substations electrified on alternating current with voltage 25-27 kV of railways.