automatic switching device meaning in English

自动转换装置
自动转接装置

Development of an automatic switch device fordouble power of single - phase source
单相双电源自动切换装置的研制
Test and application of double power automatic switching device for auxiliary fan
局部通风机双电源自动切换装置的试验与应用
In the connection mode of distributed power supply and medium voltage double - looped network , the configuration of relay protection and safety automatic devices is analyzed , and the detailed cooperating relationship among current instantaneous break , over - current and spare power automatic switch device is also presented
摘要在分散式供电、中压双环网接线方式下，对继电保护和安全自动装置的设置进行分析，并说明电流速断、过电流和备自投装置的具体配合关系。