HV glass suspension insulator of U190B type

ПС190А
Technical Specifications
Insulator type BSEN U190B
GOST PS190А
Minimum mechanical failing load kN 190
Minimum mechanical residual strength kN 152
Diameter of the insulating part, D mm 280
Spacing, H mm 170
Nominal creepage distance mm 380
Ball and socket coupling, d (IEC 60120) mm 24
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 302...332
Radio interference voltage at 0.5 MHz dB 60
kV 20
dB 86
kV 40
Weight kg 7.9
All technical requirements and testing are in accordance with IEC standards.