HV glass suspension insulator of 52-11 type

52-11
Technical Specifications
Insulator type ANSI 52-11
Minimum mechanical failing load kN 222
Minimum mechanical residual strength kN 133
Testing single impact force ะยทะผ 45
Diameter of the insulating part, D mm 280
Spacing, H mm 170
Nominal creepage distance mm 380
Ball and socket coupling, d (IEC 60120) - type K
Puncture voltage in insulating medium kV 130
50 Hz withstand voltage (dry) kV 80
50 Hz withstand voltage (wet) kV 50
Dry lightning impulse withstand voltage 1.2/50 (+/-) kV 140/140
Impulse puncture test voltage in air kV 302...332
Radio interference voltage at 60 GHz kV 10
Radio interference voltage at 1000 kHz uะ’ 50
Weight kg 7.9
All technical requirements and testing are in accordance with IEC standards.