The modular DEHNguard® SE DC type 2 surge arrester protects direct current applications from the effects of lightning strikes and surges. The new d.c. switching device DCD is designed in such a way that the protective device is safely disconnected in case of overload, thus preventing d.c. switching arcs and the resulting fire damage. Consequently, DEHNguard® SE DC provides protection during the whole service life of an electrical system.
The surge arrester can be used without additional backup fuse
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