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Glass Insulator

Glass Insulator

2-8-1glass-insulator
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Glass Insulator is a device used to support and insulate wires. Its main material is glass.

Usage scenarios

Transmission line system

Technical features

It is made of tempered glass and provides creepage distance by extending the shed. Other main components are steel caps and pins.

Product advantages

  1. Glass insulator has good electron-mechanical performance;
  2. It has the characteristics of zero value self explosion, which can reduce many zero value detection and other operation and maintenance work;
  3. Its service life cycle is long.
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Technical details

Insulator type（IEC) Diameter *D Spacing  *H Creepage Distance *L Size of Coupling Mechanical Failing Load Mechanical Routine Test
U70BL/146 255 146 320 16 70 35
U70BS/127 255 127 320 16 70 35
U100BL/146 255 146 320 16 100 50
U100BS/127 255 127 320 16 100 50
U120B/146 255 146 320 16 120 60
U120B/127 255 127 320 16 120 60
U160BL/170 280 170 400 20 160 80
U160B/155 280 155 450 20 160 80
U160B/155 280 155 400 20 160 80
U160BS/146 280 146 400 20 160 80
U210B/170 280 170 460 20 210 105
U210B/170 280 170 400 20 210 105
U240B/170 280 170 400 24 240 120
U240B/170 280 170 460 24 240 120
U300B/195 320 195 485 24 300 150
U420/205 360 205 550 28 420 210
             
Insulator type（IEC) Power Frequency Withstand  Voltage (DRY) Power Frequency Withstand  Voltage (WET) Lighting Impulse Withstand Voltage Min Power Frequency Puncture  Voltage Radio Interference Voltage (10kV,1MHz) Corona Test (pin＆cap)
U70BL/146 70 40 100 130 ≤50 18/22
U70BS/127 70 40 100 130 ≤50 18/22
U100BL/146 70 40 100 130 ≤50 18/22
U100BS/127 70 40 100 130 ≤50 18/22
U120B/146 70 40 100 130 ≤50 18/22
U120B/127 70 40 100 130 ≤50 18/22
U160BL/170 75 45 110 130 ≤50 18/22
U160B/155 75 45 110 130 ≤50 18/22
U160B/155 75 45 110 130 ≤50 18/22
U160BS/146 75 45 110 130 ≤50 18/22
U210B/170 85 45 125 130 ≤50 18/22
U210B/170 75 45 110 130 ≤50 18/22
U240B/170 75 45 110 130 ≤50 18/22
U240B/170 85 50 110 130 ≤50 18/22
U300B/195 85 50 130 130 ≤50 18/22
U420/205 90 55 140 130 ≤50 18/22

Remark: *D, *H, *L, please refer to related product drawings.

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