DEHNrail M FM surge arrester

Four-pole DEHNrail modular surge arrester (type 3 according to EN 61643-1) consisting of a base part and plug-in protection module. High discharge capacity due to heavy-duty zinc oxide varistor / spark gap combination. For protecting the power supply circuit of industrial electronics equipment against transient surges in switchgear cabinets. For installation in conformity with the lightning protection zones concept at the boundaries from 1 – 2 and higher.