HV glass suspension insulator of U210B type

Technical Specifications
Insulator type IEC U210B
Minimum mechanical failing load kN 210
Minimum mechanical residual strength kN 168
Diameter of the insulating part, D mm 280
Spacing, H mm 170 195
Nominal creepage distance mm 380
Ball and socket coupling, d (IEC 60120) mm 20
Puncture voltage in insulating medium kV 130
50 Hz withstand voltage (dry) kV 72
50 Hz withstand voltage (wet) kV 45
Dry lightning impulse withstand voltage 1.2/50 (+/-) kV 110/110
Impulse puncture test voltage in air kV 310...340
Radio interference voltage at 0.5 MHz dB 60
kV 20
dB 86
kV 40
Weight kg 72
All technical requirements and testing are in accordance with IEC standards.