Toughened Glass Insulators
YOUSI's advanced manufacturing processes, rigorous quality standards, and innovative procedures ensure exceptional reliability and performance on the line.
YOUSI insulators are not merely designed to meet the minimum requirements of applicable standards. They are crafted to exceed these standards with superior internal quality requirements, ensuring a higher level of performance in service.
YOUSI has developed a proprietary design for glass insulators, utilizing high-strength aluminous cement and a specific hot curing process. This process imparts unique mechanical and residual strength, as well as mechanical stability over time.
Main Advantages
- Long-term electrical and mechanical reliability: No ageing over time
- Reduced inspection and maintenance costs
- Visual inspection reliability with zero hidden defects
- Industry-lowest shattering rate
- High residual mechanical strength
- Safe live-line working compatibility
Product Range
Standard Profile Glass Insulator
Optimal performance in clean and mild pollution environments with stable electrical characteristics.
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Fog Type Profile Glass Insulator
Advanced pollution resistance for coastal and industrial areas with heavy moisture contamination.
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Open Profile Glass Insulator
Sand-resistant design featuring self-cleaning properties for arid and desert regions.
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Outerib Profile Glass Insulator
Dual-protection design combining anti-pollution and mechanical reinforcement for extreme environments.
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| IEC Type | Diameter D (mm) | Spacing H (mm) | Creepage Distance (mm) | Size of Coupling (mm) | Mechanical Failing Load (kN) | Mechanical Routine Test (kN) | Power Frequency Withstand Voltage (kV) | Anodic DC Wet Withstand Voltage (kV) | Lightning Impulse Withstand Voltage (kV) | Impulse Withstand Voltage (p.u.) | Min Power Frequency Puncture Voltage (kV) | Radio Interference Voltage (10kV,1MHz) (μV) | Corona Test (pin & cap) (kV) | Power Frequency Electric Arc Test | Net Weight Per Unit (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| U70BL/146 | 255 | 170 | 320 | 16 | 70 | 35 | 70 | 40 | 100 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 3.6 |
| U70BS/127 | 255 | 170 | 320 | 16 | 70 | 35 | 70 | 40 | 100 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 3.5 |
| U100BL/146 | 255 | 170 | 320 | 16 | 100 | 50 | 70 | 40 | 100 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 4 |
| U100BS/127 | 255 | 195 | 320 | 16 | 100 | 50 | 70 | 40 | 100 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 4 |
| U120B/146 | 255 | 195 | 320 | 16 | 120 | 60 | 70 | 40 | 100 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 4.2 |
| U120B/127 | 255 | 205 | 320 | 16 | 120 | 60 | 70 | 40 | 100 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 4 |
| U160BL/170 | 280 | 205 | 400 | 20 | 160 | 80 | 75 | 45 | 110 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | |
| U160B/155 | 280 | 240 | 450 | 20 | 160 | 80 | 75 | 45 | 110 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 6.3 |
| U160B/155 | 280 | 240 | 400 | 20 | 160 | 80 | 75 | 45 | 110 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 6.3 |
| U160BS/146 | 280 | 300 | 400 | 20 | 160 | 80 | 75 | 45 | 110 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 6.3 |
| U210B/170 | 280 | 170 | 460 | 20 | 210 | 105 | 85 | 45 | 125 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 6.9 |
| U210B/170 | 280 | 170 | 400 | 20 | 210 | 105 | 75 | 45 | 110 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 6.9 |
| U240B/170 | 280 | 170 | 400 | 24 | 240 | 120 | 75 | 45 | 110 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 6.9 |
| U240B/170 | 280 | 195 | 460 | 24 | 240 | 120 | 85 | 50 | 110 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 6.9 |
| U300B/195 | 320 | 205 | 550 | 28 | 420 | 210 | 90 | 55 | 140 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 16 |
| U420/205 | 360 | 205 | 550 | 28 | 420 | 210 | 90 | 55 | 140 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 16 |
| U550B/240 | 380 | 205 | 620 | 32 | 550 | 275 | 95 | 55 | 145 | 2.8 | 130 | ≤50 | 18/22 | 12s/20kA | 21.5 |