Single Pole Single Throw Symbol

Double pole single throw dpst a pair of on off switches which operate together shown by the dotted line in the circuit symbol.

Single pole single throw symbol.

Single pole single throw normally open a simple on off switch. A 2 way changeover switch directs the flow of current to one of two routes according to its position. A simple on off switch. For example a spdt switch can be used to switch on a red lamp in one position and a green lamp in the other position.

Single pole double throw. This switch can be on in both positions switching on a separate device in each case. Single pole single throw. A single pole single throw switch serves in circuits as on off switches.

The two terminals are normally disconnected open and are closed when. This means it only has one input terminal and only one output terminal. Some spdt switches have a central off position and are described as on off on after selecting the spdt symbol you can change the switch position up center or download by the action button. A single pole double throw spdt switch is a switch that only has a single input and can connect to and switch between 2 outputs.

A single pole single throw spst switch is a switch that only has a single input and can connect only to one output. It can serve as an on off switch depending on how the circuit is wired. An example is a light switch. A single pole double throw switch can serve a variety of functions in a circuit.

Spdt single pole double throw. The two terminals are either connected together or disconnected from each other. When the switch is closed the circuit is on.