Type 1 - Class 1 / Type 2 - Class 2 - 3 Phase - 4 Pole - 7kA - 25kA - 320VAC / 350VDC
The T1PDM3/7/25/320 and T1PDM3/7/25/320R (Remote Version) are four-pole, metal oxide varistorsurge arrester combined with gas discharge tube, Type 1/2 according to EN 61643-11 and IEC 61643-11.
These arresters are recommended for use in the Lightning Protection Zones Concept at the boundaries of LPZ 0-1 (according to EN 62305), where they provide the equipotential bonding and discharge of both, the lightning current and the switching surge, which are generated in power supply systems entering the building.
The main use of this arrester is mainly in the power supply lines, which are operated as TN-S and TT systems.
These unit have removable and replaceable modules.
|Category:||1 - Type 1 / Class I|