| Application: | High-voltage, High-temperature |
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| Material: | Glass |
| Structure: | Suspension Insulator |
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| IEC designation | U70B/146 | |
| Diameter D | mm | 255 |
| Height H | mm | 146 |
| Creepage distance L | mm | 320 |
| Socket coupling | mm | 16 |
| Mechanical failing load | kn | 70 |
| Mechanical routine test | kn | 35 |
| Wet power frequency withstand voltage | kv | 40 |
| Dry lightning impulse withstand voltage | kv | 100 |
| Impulse puncture voltage | P.U | 2.8 |
| Power frequency puncture voltage | kv | 130 |
| Radio influence voltage | μv | 50 |
| Corona visual test | kv | 18/22 |
| Power frequency electric arc voltage | ka | 0.12s/20kA |
| Net weight per unit | kg | 3.6 |
Key Features of Glass Electric Insulators:
Superior Dielectric Strength: Glass provides excellent electrical insulation, minimizing the risk of current leakage and ensuring safety.
Durability: Resistant to weathering, UV radiation, and temperature fluctuations, glass insulators maintain their integrity over time.
Transparency: The clear nature of glass allows for straightforward visual inspections, facilitating maintenance and early detection of potential issues.
Advantages Over Other Materials:
Self-Cleaning Properties: The smooth surface of glass reduces the accumulation of dirt and pollutants, decreasing maintenance requirements.
Mechanical Strength: Engineered to withstand mechanical stresses, glass insulators are suitable for various environmental conditions.
Environmental Impact: Glass is recyclable, making it an eco-friendly choice for sustainable infrastructure projects.
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