Type 1 - Class 1 - T1SP1/50/440G - 50kA - 440VAC - Single Phase
The T1SP1/50/440G is a Type 1 lightning arrester according to EN 61643-11 and IEC 61643-11. These 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), where they provide both equipotential bonding and protection from lightning current and switching surges, which are generated in power supply systems entering the building.
The lightning arresters are encapsulated, non-venting, multiple spark gaps, which do not have any special requirements for installation in main switchboards, as the device will not vent during operation. They are mainly intended for use in systems that use TN-C earthing. For TNS and TT systems it is necessary to combine these arresters with an additional module designed for Neutral – Earth use. The main usage of these arresters is in structures of level LPL I according to EN 62305
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