供应bhr51防爆刀熔开关

bhr51防爆刀熔开关(ⅱb、ⅱc)bhr51防爆刀熔开关(ⅱb、ⅱc)bhr51explosion-prooftype,knifefuseswitch(ⅱb、ⅱc)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).1.铸铝合金外壳，表面喷塑；2.适用于电压380v，电流10-400a电气装置和配电系统中作不频繁切换电路及短路保护用；3.内装元件由刀开关和熔断器组合而成，能快速接通与分断；4.钢管或电缆布线。1.diecastedal-alloyshellwithplastic-sprayedsurface；2.applytoinfrequentychange-overcircuitandshort-circuitprotectionfortheelectricalapplianceat380vand10-400aanddistributionsystem；3.in-builtelementsaremadeupofknifeswitchandfuseitcanbequicklycuton/off；4.steelpipeandcablewiring.额定电压ratedvoltage(v)额定电流ratedcurrent(a)极数polesnumber防爆标志explosion-proofingmarker防护等级protectioncategory防腐等级corrosion-proofinggrade进线口螺纹/电缆外径（mm）intletsdirection/cablesoutsidediameter38010,1520,3060,1002004003exdeⅱbt4exdeⅱct4exdⅱbt4ip54wf1,wf2g3/4/&phi；10~&phi；15g1/&phi；12~&phi；18g11/4&phi；15~&phi；22g2/&phi；27~&phi；33g3/&phi；43~&phi；51