Transfer Switch A transfer switch is an electrical device for switching loads between alternate power sources. An automatic transfer switch monitors the condition of the sources and connects the load to the alternate source if the preferred source fails.
转换开关 转换开关是能够把负载在备用电源和常规电源之间进行转换的电气设施。自动转换开关能够进行监控，如果首选电源供应失败，就自动把负载连接到备用电源。