Steel box, Wire connection

 1, NSB320S, NSB240S, NSB160S, NSB80S &  NSB320, NSB240, NSB160, NSB80  Series

 2, Surge counter

 3, Class Ⅱ & Ⅲ

 4, "CE“ Certification

 5, Dimension: 140 * 180 * 85mm (NSB320S, NSB240S. NSB160S, NSB80S & NSB320, NSB240)

               110 * 172 * 80mm (NSB160, NSB80)