HV glass suspension insulator of PSD70E type

ПСД70Е
Technical Specifications
Insulator type GOST PSD70Е PSD70Е
Minimum mechanical failing load kN 70
Minimum mechanical residual strength kN 56
Diameter of the insulating part, D мм 270
Spacing, H mm 127 146
Nominal creepage distance mm 411
Ball and socket coupling, d (IEC 60120) mm 16
Puncture voltage in insulating medium kV 130
50 Hz withstand voltage (dry) kV 75
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 25
Weight kg 4.6
All technical requirements and testing are in accordance with IEC standards.