| Application: | High-voltage, High-temperature |
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| Material: | Semiconductor |
| Structure: | Antifouling Insulator |
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Diameter: 255mm | Height: 127mm | Creepage distance:320mm
U100B glass insulator has excellent electrical performance and mechanical strength. Its high insulation performance can effectively prevent current leakage, strong weather resistance, and is not easily affected by temperature changes and ultraviolet radiation. It can maintain stable insulation effect even after long-term use. In addition, the glass insulator has smooth surface, is not easy to accumulate dirt, and has good self-cleaning property, which reduces the maintenance demand. At the same time, it has a long service life and high anti-aging capability, and is suitable for the harsh environment of high-voltage transmission lines.
| IEC designation | U100BS/127 | U100BL/146 | |
| Mechanical failing load | kn | 100 | 100 |
| Diameter D | mm | 255 | 255 |
| Height H | mm | 127 | 146 |
| Creepage distance L | mm | 320 | 320 |
| Socket coupling | mm | 16 | 16 |
| Wet power frequency withstand voltage | kv | 40 | 40 |
| Dry lightning impulse withstand voltage | kv | 100 | 100 |
| Power frequency puncture voltage | kv | 130 | 130 |
| Radio interference voltage(10kV 1MHz) | μv | 50 | 50 |
| Corona visual test | kv | 18/22 | 18/22 |
| Power frequency electric arc voltage | ka | 0.12s/20kA | 0.12s/20kA |
| Impulse puncture voltage | P.U | 2.8 | 2.8 |
| Net weight per unit | kg | 4 | 4 |
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