The WSP-A1SPM/20/30R is a type 2 surge arrester according to BS EN 61643-11. The device consists of a base part and pluggable module.
These arresters are recommended for use in the Lightning Protection Zones Concept at the boundaries of LPZ 1-2 (according to IEC 1312-1 and BS EN 62305) for equipotential bonding and elimination of transient overvoltages that originate during atmospheric discharges or switching processes.
The main use of the WSP- A1SPM/20/30R arrester is in all kinds of industry, residential and administration buildings. They are to be placed into the secondary switchboards or into the control box.
Earth Electrode Systems
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Our team of highly experienced professional Engineers & Technicians design Lightning Protection Systems (LPS) to the IEC 62305 standard or local derivative.
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