Many elements such as models of fuse plug and circuit breaker, the connecting terminal of inlet and outlet wire and air break switch can be installed in the meter box.
dict.youdao.com
柜内还装有电流表、电压表、自动空气开关、指示灯、交流接触器、工频变频转换开关及起动、停止按钮等。
Inside is arranged ammeter, voltmeter, air circuit breaker, indicator, AC contactor, conversion switch, and buttons for starting or stopping.
dict.youdao.com
机器在运行过程中，有可能出现功能性故障，一般情况下，先切断电源总开关，检查机箱内空气开关是否跳闸。
In case of functional fault during the running, generally, cut off the power, and check whether the air switch tripping or not.
wenku.baidu.com
（松开保险丝或弄丢电源空气开关），没有电视分散你的注意力…
(Loosen the fuses or throw the breaker switches. ) With no TV to tempt you . . .
