Mechanical switches are used to permit or interrupt the flow of current in a circuit. They can be used to direct current to different points in a circuit.
Single-Pole, Single-Throw (SPST)
- Single-Pole, Double-Throw (SPDT)
Double-Pole, Single-Throw (DPST)
- Double-Pole, Double-Throw (DPDT)
Single Pole Switch
A switch in which only one circuit is controlled.
See also: Air Pressure Switch, Air Temperature Switch, Centrifugal Cutout Switch, Foot Switch, Limit Switch, Pressure Switch, Rotary Switch, Switchgear, Transfer Switch.