BZA1礦用(yong)(yong)控(kong)制按鈕(niu)適用(yong)(yong)于(yu)含(han)有爆炸(zha)性氣體（甲烷）混合物的煤礦井(jing)下，在(zai)交(jiao)流50Hz、電(dian)壓(ya)36V的供電(dian)系統中，對(dui)信號、電(dian)磁(ci)起(qi)動(dong)器等(deng)設備進(jin)行遠程控(kong)制，其中一鈕(niu)用(yong)(yong)于(yu)單向(xiang)點動(dong)，二鈕(niu)用(yong)(yong)于(yu)單向(xiang)起(qi)動(dong)，三(san)鈕(niu)用(yong)(yong)于(yu)可逆起(qi)動(dong)
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