供应jblk51防爆断路器低压断路器

jblk51-□防爆断路器(ⅱb)jblk51-□explosion-proofcircuitbreaker(ⅱb)1.爆炸性气体环境危险场所：1区、2区；2.可燃性气体、蒸气级别：ⅱa、ⅱb；3.温度组别：t1~t4；4.户内、户外(ip54)。1.forthedangeroussiteswithexplosiveairmixture:1division、2division；2.flammablegas,steamclass：ⅱa、ⅱb；3.temperaturesclassification：t1~t6；4.indoorandoutdoor(ip54).1.diecastedal-alloyshellwithplastic-sprayedsurface；2.insidemountedc45n、45ad、nm10、dz20seriescircuitbreaker；3.possessingtheguardingfunctionagainstoverloadandshort,etc；4.steelpipeandcablewiring.1.铸铝合金外壳，表面喷塑；2.内装c45n、c45ad、nm10、dz20系列断路器；3.具有过载、短路等保护功能；4.钢管或电缆布线。额定电压ratedvoltage(v)额定电流ratedcurrent(a)防爆标志explosion-proofingmarker防护等级protectioncategory防腐等级corrosion-proofinggrade进线口螺纹inletsthread电缆外径(mm)cablesoutsidediameter380/2201,3,5,10,15,20,25,32,exdeⅱbt4exdⅱbt4ip54w,wf1,wf2g3/4&phi；10~&phi；15g1&phi；12~&phi；18额定电压ratedvoltage(v)额定电流ratedcurrent(a)防爆标志explosion-proofingmarker防护等级protectioncategory防腐等级corrosion-proofinggrade进线口螺纹inletsthread电缆外径(mm)cablesoutsidediameter380/2201,3,5,10,15,20,25,32,40,50,63exdeⅱbt4exdⅱbt4ip54w,wf1,wf2g3/4&phi；10~&phi；15g1&phi；12~&phi；18g11/4&phi；13~&phi；23g11/2&phi；17~&phi；26额定电压ratedvoltage(v)额定电流ratedcurrent(a)防爆标志explosion-proofingmarker防护等级protectioncategory防腐等级corrosion-proofinggrade进线口螺纹inletsthread电缆外径(mm)cablesoutsidediameter380/22016,20,32,40,50,63,80,100exdeⅱbt4exdⅱbt4ip54w,wf1,wf2g1&phi；12~&phi；18g11/4&phi；15~&phi；22g11/2&phi；20~&phi；26g2&phi；27~&phi；371.铸铝合金外壳，表面喷塑；2.内装nm1、dz20系列断路器；3.具有过载、短路等保护功能；4.钢管或电缆布线。1.diecastedal-alloyshellwithplastic-sprayedsurface；2.insidemountedornm1,dz20seriesbreaker3.possessingtheguardingfunctionagainstoverloadandshort,etc；4.steelpipeandcablewiring.额定电压ratedvoltage(v)额定电流ratedcurrent(a)防爆标志explosion-proofingmarker防护等级protectioncategory防腐等级corrosion-proofinggrade进线口螺纹inletsthread电缆外径(mm)cablesoutsidediameter380100,125,160,180,200,225,250exdeⅱbt4exdⅱbt4ip54w,wf1,wf2g2&phi；27~&phi；37g21/2&phi；36~&phi；44g3&phi；56