Description

Three Phase T1/2/3  Lightning & Surge arrester for LPL III & IV

This range lightning and surge arresters are configured in 4+0 and 2+0 (CT1 according to BS 7671), allowing for installation in TN-S and TN-C-S earthing systems. This configuration is not suitable for use with a TT earthing system. 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 and Type 3 tested for use in sub-distribution boards and local equipment protection.