HV glass suspension insulator of U80B type


Technical Specifications
Insulator type	BSEN	U80B
	GOST	PS80А
Minimum mechanical failing load	kN	80
Minimum mechanical residual strength	kN	56
Diameter of the insulating part, D	mm	255
Spacing, H	mm	140
Nominal creepage distance	mm	320
Ball and socket coupling, d (IEC 60120)	mm	16
Puncture voltage in insulating medium	kV	130
50 Hz withstand voltage (dry)	kV	70
50 Hz withstand voltage (wet)	kV	45
Dry lightning impulse withstand voltage 1.2/50 (+/-)	kV	105/105
Impulse puncture test voltage in air	kV	280...310
Radio interference voltage at 0.5 MHz	dB	60
	kV	20
	dB	86
	kV	25
Weight	kg	3.8

All technical requirements and testing are in accordance with IEC standards.