bdz51-□防爆斷路器(ⅱb)bdz51-□ explosion-proof circuit breaker (ⅱb)1.爆炸性氣體環(huán)境危險場所：1區(qū)、2區(qū)；2. 可燃性氣體、蒸氣級別：ⅱa、ⅱb；3. 溫度組別：t1~t4；4. 戶內(nèi)、戶外(ip54)。1. for the dangerous sites with explosive airmixture: 1division、2 division;2. flammable gas, steam class：ⅱa、ⅱb;3.temperatures classification：t1~t6;4. indoor and outdoor(ip54).1.diecasted al-alloy shell with plastic-sprayed surface;2. insidemounted c45n、45ad、nm10、dz20 series circuit breaker;3. possessingthe guarding function against overloadandshort, etc;4. steelpipeand cable wiring.1. 鑄鋁合金外殼，表面噴塑；2. 內(nèi)裝c45n、c45ad、nm10、dz20 系列斷路器；3.具有過載、短路等保護(hù)功能；4. 鋼管或電纜布線。額定電壓ratedvoltage (v)額定電流ratedcurrent(a)防爆標(biāo)志explosion-proofingmarker防護(hù)等級protectioncategory防腐等級corrosion-proofinggrade進(jìn)線口螺紋inlet"sthread電纜外徑(mm)cable"s outsidediameter380/2201, 3,5, 10, 15, 20,25, 32,exdeⅱbt4exdⅱbt4ip54w, wf1,wf2g3/4φ10~φ15g1φ12~φ18額定電壓ratedvoltage (v)額定電流ratedcurrent(a)防爆標(biāo)志explosion-proofingmarker防護(hù)等級protectioncategory防腐等級corrosion-proofinggrade進(jìn)線口螺紋inlet"sthread電纜外徑(mm)cable"s outsidediameter380/2201, 3,5, 10, 15, 20,25, 32, 40, 50, 63exdeⅱbt4exdⅱbt4ip54w, wf1,wf2g3/4φ10~φ15g1φ12~φ18g11/4φ13~φ23g11/2φ17~φ26額定電壓ratedvoltage(v)額定電流ratedcurrent (a)防爆標(biāo)志explosion-proofingmarker防護(hù)等級protectioncategory防腐等級corrosion-proofinggrade進(jìn)線口螺紋inlet"sthread電纜外徑(mm)cable"s outsidediameter380/22016,20, 32, 40,50, 63, 80, 100exdeⅱbt4exdⅱbt4ip54w, wf1,wf2g1φ12~φ18g11/4φ15~φ22g11/2φ20~φ26g2φ27~φ371. 鑄鋁合金外殼，表面噴塑；2.內(nèi)裝nm1、dz20系列斷路器；3. 具有過載、短路等保護(hù)功能；4. 鋼管或電纜布線。1. diecasted al-alloyshell with plastic-sprayed surface;2. inside mounted or nm1, dz20series breaker3. possessing the guarding function against overloadandshort, etc;4. steelpipe and cable wiring.額定電壓ratedvoltage(v)額定電流ratedcurrent (a)防爆標(biāo)志explosion-proofingmarker防護(hù)等級protectioncategory防腐等級corrosion-proofinggrade進(jìn)線口螺紋inlet"sthread電纜外徑(mm)cable"s outsidediameter380100, 125,,225, 250exdeⅱbt4exdⅱbt4ip54w, wf1,wf2g2φ27~φ37g21/2φ36~φ44g3φ56