关，按钮，电流表（可按用护要求装其他仪表），指示灯等。
.转换开关有30多种功能可由用户自由选择。
.可根据要求特制。
.电流表量程由用户指定。
.钢管或电缆线均可。
.产品出厂铭牌上只体现总单元内容，个分单元代号为订货参数。
Features:
Al-alloy diecasted shell with plastic-sprayed surface.
Inside is mounted univeral changeover switch,buttom,ammeter(can mount other instuments according to user's
requirement) and insicator,etc.
There are more than 30 functions of changeover swich available to be c