| Application: | High-voltage, High-temperature |
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| Material: | Semiconductor |
| Structure: | Standard Type Insulator |
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| IEC designation | U160BS/146 | U160BM/155 | U160BL/170 | |
| Diameter D | mm | 280 | 280 | 280 |
| Height H | mm | 146 | 155 | 170 |
| Creepage distance L | mm | 400 | 400 | 400 |
| Socket coupling | mm | 20 | 20 | 20 |
| Mechanical failing load | kn | 160 | 160 | 160 |
| Mechanical routine test | kn | 80 | 80 | 80 |
| Wet power frequency withstand voltage | kv | 45 | 45 | 45 |
| Dry lightning impulse withstand voltage | kv | 110 | 110 | 110 |
| Impulse puncture voltage | P.U | 2.8 | 2.8 | 2.8 |
| Power frequency puncture voltage | kv | 130 | 130 | 130 |
| Radio influence voltage | μv | 50 | 50 | 50 |
| Corona visual test | kv | 18/22 | 18/22 | 18/22 |
| Power frequency electric arc voltage | ka | 0.12s/20Ka | 0.12s/20Ka | 0.12s/20Ka |
| Net weight per unit | kg | 6.7 | 6.6 | 6.7 |
lf there is no special instruction, W pin is used for U70B
we welcome you to video factory inspection at any time during working hours in ChinaJiangxi 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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