Finder launches surge protection devices
A
Finder product story
Edited by the Engineeringtalk editorial team
Nov 5, 2008
Finder has introduced the 7P Series of surge protection devices (SPD), compliant with BS-EN62305: Protection against Lightning.
They provide protection against lightning strikes or surges caused by short-circuit and contact switching in electrical systems.
The 7P SPD Series employs replaceable varistors, allowing the cost-effective replacement of the active element of the SPD when required.
As Type 2 arresters for single-phase and three-phase electrical systems, they are suitable for the design and manufacture of systems and electrical equipment for use in buildings, where the safety issues associated with lightning have to be addressed.
There are four versions in the 7P Series, all of which provide visual and remote signalling of varistor status, providing a clear indication to building maintenance personnel when replacement is needed.
Finder's 7P series is available in four different versions: single-phase systems (7P.21.8.275.1020); Varistor protection (L - N) (7P.22.8.275.1020); Varistor protection (L - N) plus spark gap protection (N - PE); three-phase systems (7P.24.8.275.1020); Varistor protection (L1, L2, L3-N) plus spark gap protection (N- PE) (7P.25.8.275.1020); Varistor protection (L1, L2, L3-N) plus varistor protection (N-PE).
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