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Suspension glass insulators conventional type U120BA



Used for isolating and fixing the wires and ground wire to the overhead power lines, power distribution facilities and substations AC voltage over 1000 V and a frequency of 100 Hz. Operated at an ambient temperature of -60 to +50 ° C. Insulators conform to the requirements of IEC 60383 and GOST.




Reference designation


U 120BA 212V U 120BA 112V
Minimum mechanical failing load, kN
120 120
Minimum mechanical residual strength, kN
96 96
Diameter of the insulating part, D, mm 380 380
Spacing, H, mm 127 146
Nominal creepage distance, mm 365 365
Сonditional size of spherical joint according
to GOST 27396-93, IEC 120-84
16 16
Puncture voltage in insulating medium, кV
130 130
50 Hz withstand voltage (dry), kV
90 90
50 Hz withstand voltage (wet), kV
90 90
Dry lightning impulse withstand voltage, 1.2/50 +/-, kV
125/125 125/125
Radio interference voltage
dB
60 60
kV
20 20
dB
86 86
kV
30 30
Weight, kg
5,2 5,2

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