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VARITECTOR PU Type I –free of leakage current and thus ideal for use upstream of an electric meter
VARITECTOR PU Type II –a complete product line for all types of network configurations (TN-C network, TN-S network, TN-C-S network, TT network, IT network)
VARITECTOR PU Type III –offers ideal protection for all important terminal devices
Products which have been specifically designed for the DC side of a plant are tested in accordance with EN 50539-11:2012.
VARITECTOR PU Type I –optimum solution when separation distances cannot be maintained
VARITECTOR PU Type II –general-purpose DC surge protection solutions for photovoltaic systems
Optimum protection through especially high vibration resistance.
VARITECTOR PU Type I –25-kA units are the perfect solution for protection of turbines against direct lightning strikes.
VARITECTOR PU Type II –especially "VARITECTOR PU II 750 V / 25 kA" products provide ideal protection for generators in nacelles.
Where are surge protectors installed?