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Stain-Resistant Glass Disc Insulators

Transmission - Insulators - Stain Resistant Glass Disc Insulators
Part No. IEC Type Drawing No. Diameter D (mm) Spacing H (mm) Creepage Distance L (mm) Size of Coupling
(mm)		 Mech. Falling Load
(kN)		 Mech. Routine Test
(kN)		 Power Freq. Withstand Voltage
(DRY)
(kV)		 Power Freq. Withstand Voltage
(WET)
(kV)		 Lightning Impulse Withstand Voltage
(kV)		 Impulse Withstand Voltage
(p.u.)		 Min Power Freq. Puncture Voltage
(kV)		 Radio Interference Voltage
(10kV, 1MHz)		 Corona Test
(pin & cap)
(kV)		 Power Freq. Electric Arc Test Net Weight Per Unit
(kg)
1.1-1020-4-70 U70BP/146 4 260 146 400 16 70 35 80 45 110 2.8 130 <50 18/22 0.12s/20kA 5.0
1.1-1020-5-70 U70BLP/146 4 280 146 450 16 70 35 85 50 125 2.8 130 <50 18/22 0.12s/20kA 5.5
1.1-1020-6-70 U70BP/146 4 320 146 550 16 70 35 90 55 140 2.8 130 <50 18/22 0.12s/20kA 7.5
1.1-1020-3-100 U100BLP/146 4 260 146 400 16 100 50 80 45 110 2.8 130 <50 18/22 0.12s/20kA 5.0
1.1-1020-4-100 U100BLP/146 4 280 146 450 16 100 50 85 50 125 2.8 130 <50 18/22 0.12s/20kA 5.5
1.1-1020-6-100 U100BP/146 4 320 146 550 16 100 50 90 55 140 2.8 130 <50 18/22 0.12s/20kA 7.5
1.1-1020-3-120 U120BLP/146 4 260 146 400 16 120 60 80 45 110 2.8 130 <50 18/22 0.12s/20kA 5.0
1.1-1020-4-120 U120BLP/146 4 280 146 450 16 120 60 85 50 125 2.8 130 <50 18/22 0.12s/20kA 5.5
1.1-1020-6-120 U120BP/146 4 320 146 550 16 120 60 90 55 140 2.8 130 <50 18/22 0.12s/20kA 7.5
1.1-1020-3-160 U160BSP/155 4 280 155 450 20 160 80 85 50 125 2.8 130 <50 18/22 0.12s/20kA 7.0
1.1-1020-4-160 U160BP/170 4 280 170 450 20 160 80 85 50 125 2.8 130 <50 18/22 0.12s/20kA 7.2
1.1-1020-5-160 U160BLP/170 4 320 170 550 20 160 80 90 55 140 2.8 130 <50 18/22 0.12s/20kA 9.2
1.1-1020-6-160 U160BP/155 4 320 155 550 20 160 80 90 55 140 2.8 130 <50 18/22 0.12s/20kA 9.0 
1.1-1020-7-160 U160BSP/146 4 320 146 550 20 160 80 90 55 140 2.8 130 <50 18/22 0.12s/20kA 8.8
1.1-1020-3-210 U210BP/170 4 320 170 550 20 210 105 90 55 140 2.8 130 <50 18/22 0.12s/20kA 10.0
1.1-1020-3-240 U240BP/170 5 320 170 550 24 240 120 90 55 140 2.8 130 <50 18/22 0.12s/20kA 10.5
1.1-1020-4-240 U240BP/170 5 320 170 550 20 240 120 90 55 140 2.8 130 <50 18/22 0.12s/20kA 10.5
1.1-1020-300 U300BP/195 6 390 195 710 24 300 150 95 60 150 2.8 130 <50 18/22 0.12s/20kA 14.0
1.1-1020-3-300 U300BP/195 6 380 195 635 24 300 150 95 60 150 2.8 130 <50 18/22 0.12s/20kA 14.0
1.1-1020-420 U420BP/205 6 380 205 620 28 420 210 90 55 140 2.8 130 <50 18/22 0.12s/20kA 16.5
1.1-1020-550 U550BP/240 6 380 240 650 32 550 275 95 55 145 2.8 130 <50 18/22 0.12s/20kA 20.5
1.1-1020-1-550 U550BP/240 6 380 240 710 32 550 275 95 60 145 2.8 130 <50 18/22 0.12s/20kA 20.5
1.1-1020-760 U760BP/280 6 420 280 700 36 760 380 90 55 140 2.8 130 <50 18/22 0.12s/20kA 22.0
1.1-1020-840 U840BP/300 6 420 300 710 40 840 420 95 60 145 2.8 130 <50 18/22 0.12s/20kA 24.5