valintakytkimestä

Valintakytkin, often translated as selector switch, is a type of electrical switch that allows a user to select one of several possible circuits or operating modes. It is characterized by a rotating or sliding mechanism that moves a contact to connect to different terminals. Unlike a simple on-off switch, a valintakytkin provides multiple discrete positions, each corresponding to a specific function or state.

These switches are commonly found in industrial machinery, control panels, and electronic devices where different operating parameters or functions need to be chosen. For example, a valintakytkin might be used to select between different speeds on a motor, different input sources on an audio device, or different operating modes on a machine tool. The number of positions and the specific functionality of each position are determined by the design and wiring of the switch.

The construction of a valintakytkin typically involves a central shaft that is operated by a knob or lever. As the shaft rotates, internal cams or wipers move to make or break electrical connections with stationary terminals arranged in a circular or linear pattern. The detent mechanism ensures that the switch stays firmly in each selected position. They are designed to handle specific voltage and current ratings depending on their application.