surge current counter / lightning surge / analog / contact
3EX5 030, 3EX5 050
lightning surge, surge current
The 3EX5 030 surge counter is a traditional monitor for surge arresters. It is integrated into the arrester ground connection and counts the surge arrester responses that have occurred.
The 3EX5 050 surge counter with leakage current meter also monitors and displays the arrester leakage current.
In addition to the functions described here, versions 3EX5 030-1 and 3EX5 050-1 can also be equipped with a passive auxiliary contact for remote metering.