按钮开关是指利用按钮推动传动机构
文章来源：//baike.baidu.com/item/按钮开关 发布(bu)时(shi)间：2019/3/14 13:28:00
使(shi)动(dong)触点与(yu)静触点按通或断开(kai)并实现电(dian)(dian)(dian)路换接(jie)的开(kai)关。按钮(niu)开(kai)关是一种结构简单，应(ying)用十(shi)分广泛(fan)的主令电(dian)(dian)(dian)器(qi)。在电(dian)(dian)(dian)气自动(dong)控(kong)制(zhi)(zhi)电(dian)(dian)(dian)路中(zhong)，用于手动(dong)发(fa)出控(kong)制(zhi)(zhi)信号以(yi)控(kong)制(zhi)(zhi)接(jie)触器(qi)、继电(dian)(dian)(dian)器(qi)、电(dian)(dian)(dian)磁起动(dong)器(qi)等。
