HV glass suspension insulator of U120BP1 type

Technical Specifications
Insulator type IEC U120BP1
Minimum mechanical failing load kN 120
Minimum mechanical residual strength kN 96
Diameter of the insulating part, D mm 320
Spacing, H mm 146
Nominal creepage distance mm 555
Ball and socket coupling, d (IEC 60120) mm 16
Puncture voltage in insulating medium kV 130
50 Hz withstand voltage (dry) kV 90
50 Hz withstand voltage (wet) kV 55
Dry lightning impulse withstand voltage 1.2/50 (+/-) kV 140/140
Radio interference voltage at 0.5 MHz dB 34
kV 10
dB 86
kV 30
Weight kg 6.65
All technical requirements and testing are in accordance with IEC standards.