HV glass suspension insulator of PS400B type

ПС400Б
Technical Specifications
Insulator type IEC PS400B
Minimum mechanical failing load kN 400
Diameter of the insulating part, D mm 390
Spacing, H mm 205/220
Nominal creepage distance mm 475
Ball and socket coupling, d (IEC 60120) mm 28
Puncture voltage in insulating medium kV 130
50 Hz withstand voltage (wet) kV 55
Dry lightning impulse withstand voltage 1.2/50 (+/-) kV 130/130
Radio interference voltage at 0.5 MHz dB 60
kV 20
dB 86
kV 40
Weight кг 15.0
All technical requirements and testing are in accordance with IEC standards.