Eaton Memshield 3 Type-2 Surge Suppression Kit is suitable for use with TPN distribution boards. For the protection of low voltage distribution systems against transient overvoltage caused by indirect lightning strike and switching operations. The 3+1 circuit offers a universal solution for surge protection in low voltage distribution systems. Suitable for TT- and TN-S systems according to IEC 60364-5-53 Clause 534. Features test class II according to IEC 61643-1+A1 and SPD-type T2 according to EN 61643-11.