Alternating-current system disk-shaped suspending insulator, standard suspension insulator
Diameter: 255mm
Structure: 146mm
Creepage distance: 320mm
Socket coupling: 16mm
Dry power frequency withstand voltage: 70KV
Mechanical routine test: 35kv
Wet power frequency withstand voltage: 40KV
Dry lightning impulse withstand voltage: 100KV
Impulse puncture voltage(p. U. ): 2.8
Min power frequency puncture voltage: 130KV