JDZXW-20 voltage transformer, outdoor cycloaliphatic resin casting and full-enclosed construction, is widely used for measuring current, electric energy and protective relaying in the single-phase or three phase power system with the frequency 50Hz or 60Hz and highest voltage for equipment 17.5kV or 24kV

Main technical parameter

1. Ambient temperature:  -25-40℃

2. Height above sea level: within 1000m   

3. Installation site: outdoor