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DC Glass Disc Insulators

Transmission - Insulators - DC 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.)
SF6 Puncture Withstand Voltage
(kV)
Min Power Freq. Puncture Voltage
(kV)
DC Corona Test (pin & cap)
(kV)
Net Weight Per Unit
(kg)
1.1-1030-160 U160BP/170H I 7 320 170 550 20 160 80 150 65 140 2.8 225 <50 >50 9.7
1.1-1030-210 U21OBP/170H 7 320 170 550 20 210 105 150 65 140 2.8 225 <50 >50 10.2
1.1-1030-240 U240BP/170H 7 320 170 550 24 240 120 150 65 140 2.8 225 <50 >50 10.5
1.1-1030-300 U300BP1/195H 7 390 195 710 24 300 150 150 65 140 2.8 225 <50 >50 15.4
1.1-1030-1-300 U300BP/195H 7 380 195 635 24 300 150 170 75 155 2.8 225 <50 >50 16.0
1.1-1030-420 U420BP/205H 8 360 205 550 28 420 210 150 65 140 2.8 225 <50 >50 14.6
1.1-1030-1-420 U420BP1/205HI 8 380 205 620 28 420 210 160 70 150 2.8 240 <50 >50 18.9
1.1-1030-550 U550BP/240H 8 380 240 650 32 550 275 160 70 150 2.8 240 <50 >50 19.1
1.1-1030-1-550 U550BP1/240H 8 380 240 710 32 550 275 160 70 150 2.8 240 <50 >50 22.0
1.1-1030-1-840 U840BP/300 8 420 300 710 40 840 420 170 75 155 2.8 240 <50 >50 24.5