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PIV12,5-75 DS Lightning Arresters

PIV12,5-75 DS Lightning Arresters
PIV12,5-75 DS Lightning Arresters
Product Code : PIV12,5-75
Product Description
PIV is lightning arrester type 1 according to EN 61643-11 and IEC 61643-1. These arresters are recommended for use in the Lightning Protection Zones Concept at the boundaries of LPZ 0 – 1 (according to IEC 1312-1 and EN 62305) for lightning current equipotential bonding and elimination of switching surges that originate in power supply systems entering the building.

The PIV is mainly intended for use in TNC systems. For TNS and TT systems it is  necessary to combine these arresters with lightning arrester B25, B50 or B80 which are intended for equipotential bonding between N and PE.

The main use of PIV12,5 arrester is in structures of LPL III – IV according to EN 62305,  e.g. residential houses with cable supply and subdistribution boards of big industrial structures.

Function of remote monitor terminals

When the PIV DS is operating correctly, the terminations 1-2 are connected to normally closed contacts, 2-3 are normally open. If the internal varistor component is damaged as a result of thermal overloading, terminations 1-2 will then be open and 2-3 closed.

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