供应bxx51防爆配电箱

jbxx51防爆检修动力箱(ⅱb、ⅱc)jbxx51explosion-proofmaintainingpowerbox(ⅱb、ⅱc)一、适用范围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、ⅱc；3.温度组别：t1~t4；4.户内、户外(ip54)。1.forthedangeroussiteswithexplosiveairmixture:1division、2division；2.flammablegas,steamclass：ⅱa、ⅱb、ⅱc；3.temperaturesclassification：t1~t4；4.indoorandoutdoor(ip54).二、型号含义三、性能特点1.铸铝合金外壳，表面喷塑；2.内装dz20、cm1或nc100h断路器；3.具有过载、短路保护功能；4.可根据用户要求特制；5.钢管或电缆布线。6.符合gb3b36-2000、iec60079、gb12476.1-2000、iec61241标准要求1.diecastedofal-alloyshellwithandplastic-sprayedsurface；2.insidemounteddz20ornc100hbreaker；3.possessingtheguardingfunctionagainstoverloadandshort；4.canbecustomizedaccordingtousersrequirements；5.steelpipeandcablewiring.6.suitabeforgb3836-2000、iec60079、gb12476.1-2000、iec61241standardrequest.四、技术参数支路数branchnumber额定电压ratedvoltage(v)总开关电流generalswitchcurrent(a)支路电流branchcurrent(a)防爆标志explosion-proofingmarker防护等级protectioncategory进线口螺纹/电缆外径(mm)inletsthread/cablesoutsidediameter出线口螺纹/电缆外径(mm)outletsthread/cablesoutsidediameter2,3,4,6ac380±；10%100,200,250100exdⅱbt4exdeⅱbt4exdⅱct4ip54g11/2/&phi；20~&phi；26g2/&phi；27~&phi；33g11/4/&phi；15~