Prosurge Class I + Class II SPD (type 1 + type 2 SPD) are certified by TUV as per IEC/EN61643-11
prosurge2022-10-31T11:41:44+08:00Prosurge V50, DS50 and DT50 series SPD are certified by TUV as per IEC/EN 61643-11. V50, DS50 and DT50 surge protective devices are approved as class I & class II SPD (or T1+T2 SPD), designed for low-voltage power system lightning current & surge protection, used at the boundaries from lightning protection zone 0B [...]