固态切换开关 Solid-state transfer switch

静态切换开关 Static Transfer Switch ; STS

自动切换开关 automatic transfer switch ; automatic changeover switch

多切点切换开关 Multi-point change-over switch

灯光开/关切换 Light On/Off Toggle

抽头切换开关 tap changer ; tap changing device ; [电] tap switch

开关、切换 Switch

双电源自动切换开关 ATSE ; Double-power automatical change-over switch

蓝牙开/关切换 Bluetooth Switch