1. 適用范圍：1.1NS系列塑料外殼式斷路器(以下簡(jiǎn)稱斷路器)是我公司開發(fā)的新產(chǎn)品，其設(shè)計(jì)體現(xiàn)了最新的限流原理和制造技術(shù)，具有結(jié)構(gòu)緊湊、全模塊化、高分?jǐn)?、零飛弧等特點(diǎn)。其額定絕緣電壓為750V，適用于交流50Hz，額定工作電壓690V及以下，額定工作電流至630A的電路中作不頻繁的轉(zhuǎn)換及電動(dòng)機(jī)不頻繁的起動(dòng)之用。斷路器具有過載、短路和欠壓保護(hù)裝置，能保護(hù)線路及電源設(shè)備不受損壞。1.2斷路器按照其額定極限短路分?jǐn)嗄芰?Icu)的高低，分為N型(標(biāo)準(zhǔn)型)，H型(較高分?jǐn)嘈?，L型(限流型)。1.3本斷路器可垂直安裝(即豎裝)，亦可水平安裝(即橫裝)，本斷路器不能倒進(jìn)線，即只可1、3、5接電源線，2、4、6接負(fù)載線。1.4本斷路器執(zhí)行下列標(biāo)準(zhǔn)：IEC60947-1及GB/T14048.1總則、IEC60947-2及GB/14048.2低壓斷路器、IEC60947-4及GB/14048.4接觸器及電動(dòng)機(jī)起動(dòng)器、IEC60947-5.1及GB/T14048.5機(jī)電式控制電路電器。2. 斷路器的脫扣特性: 斷路器熱動(dòng)型脫扣器具有反時(shí)限特性；電磁脫扣器為瞬時(shí)動(dòng)作（配電用）及（保護(hù)電機(jī)用）額定電流In(A)長(zhǎng)延時(shí)動(dòng)作特性(環(huán)境溫度+40℃)瞬時(shí)動(dòng)作特性1.05In(冷態(tài))不動(dòng)作時(shí)間1.30In(熱態(tài))動(dòng)作時(shí)間In 63 1h＜1h10In 20%63＜In 100 2h＜2h10In 20%100＜In 630 2h＜2h5-10In 20% 額定電流In(A)長(zhǎng)延時(shí)動(dòng)作特性(環(huán)境溫度+40℃)瞬時(shí)動(dòng)作特性1.10In (冷態(tài))不動(dòng)作時(shí)間1.2In (熱態(tài))動(dòng)作時(shí)間1.5In(熱態(tài)) 動(dòng)作時(shí)間7.2In(冷態(tài))動(dòng)作時(shí)間12.5 In 400 2h＜2h 4min2S＜Tp 10S10In 20%3.主要技術(shù)參數(shù)：型號(hào)額定電流(A)極數(shù)額定絕緣電壓(V)額定工作電壓(V)飛弧距離(mm)極限短路分?jǐn)?KA)動(dòng)作短路分?jǐn)嗄芰?KA)操作性能壽命(次)通電不通電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