HV glass suspension insulator of 52-3 type

52-3
Technical Specifications
Insulator type ANSI 52-3 52-3
Minimum mechanical failing load kN 70 100
Minimum mechanical residual strength kN 56 60
Testing single impact force ะยทะผ 45
Diameter of the insulating part, D mm 255
Spacing, H mm 146
Nominal creepage distance mm 320
Ball and socket coupling, d (IEC 60120) - type ะ’
Puncture voltage in insulating medium kV 130
50 Hz withstand voltage (dry) kV 80
50 Hz withstand voltage (wet) kV 50
Impulse puncture test voltage in air kV 280...310
Radio interference voltage at 60 GHz kV 10
Radio interference voltage at 1000 kHz uะ’ 50
Weight kg 3,6
All technical requirements and testing are in accordance with IEC standards.