selector switch

• Dispositivo mecânico ou elétrico usado para selecionar um entre vários circuitos, ajustes ou funções possíveis, comum em painéis de controle, equipamentos de áudio e máquinas industriais.

A mechanical or electrical device used to select one of several possible circuits, settings, or functions, commonly found in control panels, audio equipment, and industrial machinery.

1. Control deviceB2formal

   A manual or automatic switch used to choose between different functions, modes, or circuits in an electrical or electronic device.

   Chave seletora

   • The selector switch on the amplifier lets you choose between input channels.
   • Turn the selector switch to the 'off' position before opening the device.
   • The technician adjusted the selector switch to change the motor's speed.