BZA礦用(yong)隔爆型控制(zhi)按鈕(niu)用(yong)于(yu)含有爆炸性氣體(甲烷(wan))混(hun)合(he)物的煤礦井下(xia),在交流(liu)0Hz、電(dian)(dian)壓127V的供電(dian)(dian)系統(tong)中,對(dui)信號、電(dian)(dian)磁起動(dong)器等(deng)設備進(jin)行遠程控制(zhi),其中一鈕(niu)用(yong)于(yu)單向點動(dong),二鈕(niu)用(yong)于(yu)單向起動(dong),三(san)鈕(niu)用(yong)于(yu)可逆(ni)起動(dong)
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