Surge arrester OPN-P-20/24/10/10/680-III UHL1

The limiter is designed to protect the insulation of electrical installations of networks of voltage classes 20 kV AC with a frequency of 50 Hz, with an insulated neutral from switching and lightning overvoltages.The limiter is designed for operation in areas with temperate and (or) cold climate in conditions provided for climatic design UHL category 1 according to GOST 15150.The height of operation of the limiter above sea level - not more than 1000 m.Operating values of ambient temperature from plus 45 to minus 70C.