ZS-770 pin post Porcelain insulator

ZS-770 pin post Porcelain insulator

1.Creepage distance:770mm

2.Rated E&M failing load:16kN

3.Lightning impulse withstand voltage:190kV

4.Power frequency DRY withstand voltage:110kV

5.Power frequency WET withstand voltage:85kV

6.Power frequency breakdown voltage：200kV