JN15-D-12/31.5

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
额定绝缘水平 Rated insulation level	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