1. 适用范围：1.1NS系列塑料外壳式断路器(以下简称断路器)是我公司开发的新产品，其设计体现了最新的限流原理和制造技术，具有结构紧凑、全模块化、高分断、零飞弧等特点。其额定绝缘电压为750V，适用于交流50Hz，额定工作电压690V及以下，额定工作电流至630A的电路中作不频繁的转换及电动机不频繁的起动之用。断路器具有过载、短路和欠压保护装置，能保护线路及电源设备不受损坏。1.2断路器按照其额定极限短路分断能力(Icu)的高低，分为N型(标准型)，H型(较高分断型)，L型(限流型)。1.3本断路器可垂直安装(即竖装)，亦可水平安装(即横装)，本断路器不能倒进线，即只可1、3、5接电源线，2、4、6接负载线。1.4本断路器执行下列标准：IEC60947-1及GB/T14048.1总则、IEC60947-2及GB/14048.2低压断路器、IEC60947-4及GB/14048.4接触器及电动机起动器、IEC60947-5.1及GB/T14048.5机电式控制电路电器。2. 断路器的脱扣特性: 断路器热动型脱扣器具有反时限特性；电磁脱扣器为瞬时动作（配电用）及（保护电机用）额定电流In(A)长延时动作特性(环境温度+40℃)瞬时动作特性1.05In(冷态)不动作时间1.30In(热态)动作时间In 63 1h＜1h10In 20%63＜In 100 2h＜2h10In 20%100＜In 630 2h＜2h5-10In 20% 额定电流In(A)长延时动作特性(环境温度+40℃)瞬时动作特性1.10In (冷态)不动作时间1.2In (热态)动作时间1.5In(热态) 动作时间7.2In(冷态)动作时间12.5 In 400 2h＜2h 4min2S＜Tp 10S10In 20%3.主要技术参数：型号额定电流(A)极数额定绝缘电压(V)额定工作电压(V)飞弧距离(mm)极限短路分断(KA)动作短路分断能力(KA)操作性能寿命(次)通电不通电NS-100D12.5,16,20,25,32, 40,50,63,80,1003,49506900181815008500NS100N2525NS100H7070NS100L150150NS160D16,20,25,32, 40,50,63,80,100,125,160252810007000NS-160N3636NS-160H7070NS-160L150150NS-250D160,180,200,225,250252510007000NS-250N3636NS-250H7070NS-250L150150NS-400D200,225,250,300,315,400353510004000NS-400N4545NS-400H7070NS-400L150150NS-630D315,350,400,500,600,630353510004000NS-630N4545NS-630H7070NS-630L150150 NS630bN2.03PNS630bN2.04PNS800N2.03PNS800N2.04PNS1000N2.03PNS1000N2.04PNS1250N2.03PNS1250N2.04PNS1600N2.03PNS1600N2.04PNS630bH2.03PNS630bH2.04PNS800H2.03PNS800H2.04PNS1000H2.03PNS1000H2.04PNS1250H2.03PNS1250H2.04PNS1600H2.03PNS1600H2.04PNS630bN5.03PNS630bN5.04PNS800N5.03PNS800N5.04PNS1000N5.03PNS1000N5.04PNS1250N5.03PNS1250N5.04PNS1600N5.03PNS1600N5.04PNS630bH5.03PNS630bH5.04PNS800H5.03PNS800H5.04PNS1000H5.03PNS1000H5.04PNS1250H5.03PNS1250H5.04PNS1600H5.03PNS1600H5.04PNS630bN2.0A3PNS630bN2.0A4PNS800N2.0A3PNS800N2.0A4PNS1000N2.0A3PNS1000N2.0A4PNS1250N2.0A3PNS1250N2.0A4PNS1600N2.0A3PNS1600N2.0A4PNS630bH2.0A3PNS630bH2.0A4PNS800H2.0A3PNS800H2.0A4PNS1000H2.0A3PNS1000H2.0A4PNS1250H2.0A3PNS1250H2.0A4PNS1600H2.0A3PNS1600H2.0A4PNS630bN5.0A3PNS630bN5.0A4PNS800N5.0A3PNS800N5.0A4PNS1000N5.0A3PNS1000N5.0A4PNS1250N5.0A3PNS1250N5.0A4PNS1600N5.0A3PNS1600N5.0A4PNS630bH5.0A3PNS630bH5.0A4PNS800H5.0A3PNS800H5.0A4PNS1000H5.0A3PNS1000H5.0A4PNS1250H5.0A3PNS1250H5.0A4PNS1600H5.0A3PNS1600H5.0A4PNS630bN6.0A3PNS630bN6.0A4PNS800N6.0A3PNS800N6.0A4PNS1000N6.0A3PNS1000N6.0A4PNS1250N6.0A3PNS1250N6.0A4PNS1600N6.0A3PNS1600N6.0A4PNS630bH6.0A3PNS630bH6.0A4PNS800H6.0A3PNS800H6.0A4PNS1000H6.0A3P