主要技术参数 Main technical parameter
项目Item | 单位Unit | 参数Data | |
额定电压Rated voltage | kV | 12 | |
额定短时耐受电流Rated short-time withstand current | kA | 31.5 | |
额定峰值耐受电流Rated withstand current(peak value) | kA | 80 | |
额定短路关合电流Rated short-circuit making current | kA | 80 | |
额定绝缘水平 Rated insulation level | 1分钟工频耐压 Power frequency withstand voltage(1 min) | kV | 42 |
雷电冲击电压 Lightning impulse voltage | kV | 75 | |
分闸后断口距离不小于The fraCTure distance after opening is not less than | mm | 125 | |
控制电压Control voltage | V | AC/DC220V DC110V | |
尺寸 Dimensions
型号Model | 相间距A Phase to phase distance A | 支架B Holder B | 主轴C principal axis C | 孔距D pitch-row D | 高原型配比传感器高度E The height of the sensor for plateau type E |
JN15-D-12/31.5-150 | 150 | 424 | 535 | 396 | 1000米以下145 2000米以下170 3000米以下185 4000米以下210 Below 1000 meters 145 Below 2000 meters 170 Below 3000 meters 185 Below 3000 meters 210 |
JN15-D-12/31.5-165 | 165 | 454 | 565 | 426 | |
JN15-D-12/31.5-210 | 210 | 544 | 655 | 516 | |
JN15-D-12/31.5-250 | 250 | 624 | 735 | 596 | |
JN15-D-12/31.5-275 | 275 | 674 | 785 | 646 |
外形及安装尺寸 Overall and installation dimentions


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