Description

Three Phase T1/2 Lightning and surge arrester for LPL III and IV

This range of lightning and surge arresters are configured in 3+1 and 1+1 arrangement for use in distribution systems using IT earthing, with or without a distributed neutral. These arresters are designed for use at the boundary of LPZ 0 to LPZ 1 in structures of LPL III and LPL IV (Class III and IV Lightning Protection System) as a Type 1 lightning arrester. They are also Type 2 tested for use in sub-distribution boards. A high-power GDT between the centre point (CP) and earth ensures that there is no earth leakage current, which allows the device to be used in conjunction with insulation monitoring systems.