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Dehn + Söhne ÜS arrester DEHNrail DR M 2P 255 ÜS-arrester DEHNrail Dehn + Sons 953200 DR M 2P 255 › See more product details; Product description Two-pole surge arrester DEHNrail modular, type 3 according to EN 61643-11, consisting of base element and plugged protective module. High dissipation capacity thanks to powerful zinc oxide varistor/spark gap combination. To protect the power supply of industrial electronics devices from transient surges in control cabinets. For use in the lightning protection zone concept at interfaces 1 - 2 and above.; Product description Two-pole surge arrester DEHNrail modular, type 3 according to EN 61643-11, consisting of base element and plugged protective module. High dissipation capacity thanks to powerful zinc oxide varistor/spark gap combination. To protect the power supply of industrial electronics devices from transient surges in control cabinets. For use in the lightning protection zone concept at interfaces 1 - 2 and above.; Two-pole surge arrester DEHNrail modular, type 3 according to EN 61643-11, consisting of base element and plugged protective module. High dissipation capacity thanks to powerful zinc oxide varistor/spark gap combination. To protect the power supply of industrial electronics devices from transient surges in control cabinets. For use in the lightning protection zone concept at interfaces 1 - 2 and above.