Two-pole surge arrester DEHNrail modular, Type 3 according to EN 61643-11, consisting of a base element and a plugged protection module. High discharge capacity due to a powerful combination of zinc oxide varistor and spark gap. Designed to protect the power supply of industrial electronics devices from transient overvoltages in control cabinets. Suitable for use in lightning protection zone concepts at interfaces 1, 2, and higher.