| Application: | High-voltage, High-temperature |
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| Material: | Semiconductor |
| Structure: | Antifouling Insulator |
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Diameter: 340mm | Height: 170mm | Creepage distance:550mm
| High voltage Double Shed Antifog Type Glass Insulator | |||
| IEC designation | U240BD | U240BLD | |
| Mechanical failing load | KN | 240 | 240 |
| Diameter | mm | 300 | 340 |
| Spacing | mm | 170 | 170 |
| Creepage distance | mm | 450 | 550 |
| Socket coupling | mm | 20/24 | 20/24 |
| Wet power frequency withstand voltage | kV | 45 | 50 |
| Dry lightning impulse withstand voltage | kV | 120 | 135 |
| Power frequency puncture voltage | kV | 130 | 130 |
| Radio influence voltage | 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 | 9.5 | 9.5 |
Jiangxi QOCI Electric Co.,Ltd.has been specialized in research and development of latest high-strength functional glass and power transmission insulators,which is the qualified supplier for State Grid Corporation of China and Southern State Grid Corporation of China,and is a participating unit of product standard formulation of the National Insulator Standard Committee.The main products type are :standard-type insulator,antipollution-type insulator,aerodynamic type insulator,multi-umbrella type insulator,ground-wires type insulator,post insulator for line,pin insulator.Products are mainly used for transmission line insulation, suspension, support, tension conductors.Our products are divided into 5 major series: the standard type 40-550kN,filth-resistant type 70-420kN,aerodynamic type 120-300kN,multi-umbrella type 120-300kN,and ground circuit type,able to be used for line voltage from 10kV~1000kV.
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