U40BS/U40BL

Type of
 insulator acc. Russian
standard

Ultimate
Mechanical
 Strength of
 insulators,
 KN, not less

Diameter
 of glass
 shed (D),
 mm

Spacing,
 mm

Creepage
distance,
 mm

Weight, kg

Voltage withstand, kV, not less

Impulse

Frequency
50 Hz, wet

Radio
 interference
 level

U40BS
U40BL

40

175

100
110

185

1,7

70

30

25