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Glass Disc Insulators

Transmission - Insulators - Glass Disc Insulators
Part No. IEC Type Drawing No. Diameter D (mm) Spacing H (mm) Creepage Distance L (mm) Size of Coupling
(mm)
Mechanical Falling Load
(kN)
Mechanical Routine Test
(kN)
Power Frequency Withstand Voltage
(DRY)
(kV)
Power Frequency Withstand Voltage
(WET)
(kV)
Lightning Impulse Withstand Voltage
(kV)
Impulse Withstand Voltage
(p.u.)
Min Power Frequency Puncture Voltage
(kV)
Radio Interference Voltage
(10kV, 1MHz)
Corona Test
(pin & cap)
(kV)
Power Frequency Electric Arc Test Net Weight Per Unit
(kg)
1.1-1010-1-70 U70BU146 1 255 146 320 16 70 35 70 40 100 2.8 130 <50 18/22 0.12s/20kA 3.6
1.1-1010-2-70 U70BS/127 1 255 127 320 16 70 35 70 40 100 2.8 130 <50 18/22 0.12s/20kA 3.5
1.1-1010-100 U100BU146 1 255 146 320 16 100 50 70 40 100 2.8 130 <50 18/22 0.12s/20kA 4.0
1.1-1010-2-100 U100BS/127 1 255 127 320 16 100 50 70 40 100 2.8 130 <50 18/22 0.12s/20kA 4.0
1.1-1010-120 U120B/146 1 255 146 320 16 120 60 70 40 100 2.8 130 <50 18/22 0.12s/20kA 4.2
1.1-1010-2-120 U120B/127 1 255 127 320 16 120 60 70 40 100 2.8 130 <50 18/22 0.12s/20kA 4.0
1.1-1010-160 U160BU170 1 280 170 400 20 160 80 75 45 110 2.8 130 <50 18/22 0.12s/20kA 6.5
1.1-1010-1-160 U160B/155 280 155 450 20 160 80 75 45 110 2.8 130 <50 18/22 0.12s/20kA 6.3
1.1-1010-3-160 U160B/155 1 280 155 400 20 160 80 75 45 110 2.8 130 <50 18/22 0.12s/20kA 6.3
1.1-1010-4-160 U160BS/146 1 280 146 400 20 160 80 75 45 110 2.8 130 <50 18/22 0.12s/20kA 6.3
1.1-1010-2-210 U210B/170 1 280 170 460 20 210 105 85 45 125 2.8 130 <50 18/22 0.12s/20kA 6.9
1.1-1010-3-210 U210B/170 1 280 170 400 20 210 105 75 45 110 2.8 130 <50 18/22 0.12s/20kA 6.9
1.1-1010-240 U240B/170 1 280 170 400 24 240 120 75 45 110 2.8 130 <50 18/22 0.12s/20kA 6.9
1.1-1010-2-240 U240B/170 1 280 170 460 24 240 120  85 50 110 2.8 130 <50 18/22 0.12s/20kA 6.9
1.1-1010-300 U300B/195 1 320 195 485 24 300 150 85 50 130 2.8 130 <50 18/22 0.12s/20kA 10.6
1.1-1010-420 U420/205 1 360 205 550 28 420 210 90 55 140 2.8 130 <50 18/22 0.12s/20kA 16.0
1.1-1010-550 U550B/240 1 380 240 620 32 550 275 95 55 145 2.8 130 <50 18/22 0.12s/20kA 21.5