The 2726770000 from Weidmuller is a Surge Suppression IC that has been designed to effectively reduce the interference coupling that can occur due to transient surge voltages, even significantly below the limits prescribed by insulation co-ordination according to EN 60664-3 / DIN VDE 0110-3. It has a voltage rating (AC) of 230 - 400 V and a current rating of up to 150 kA. This arrester can be installed in power supply systems and has been tested according to IEC 61643-11/DIN EN 61643-11. It is available in an IP20-rated DIN rail-mount package that measures 104.5 x 72 x 91 mm.