HV glass suspension insulator of U125B type

Technical Specifications
Insulator type IEC U125B
Minimum mechanical failing load kN 125
Minimum mechanical residual strength kN 100
Diameter of the insulating part, D mm 255
Spacing, H mm 140
Nominal creepage distance mm 320
Ball and socket coupling, d (IEC 60120) mm 20
Puncture voltage in insulating medium kV 130
50 Hz withstand voltage (dry) kV 70
50 Hz withstand voltage (wet) kV 40
Dry lightning impulse withstand voltage 1.2/50 (+/-) kV 100/100
Radio interference voltage at 0.5 MHz dB 60
kV 20
dB 86
kV 25
Weight kg 4.1
All technical requirements and testing are in accordance with IEC standards.