Single Pole Single Throw Symbol

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.

Single pole single throw symbol.

This switch can be on in both positions switching on a separate device in each case. A simple on off switch. Single pole single throw. When the switch is closed the circuit is on.

Spdt single pole double throw. 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. It can serve as an on off switch depending on how the circuit is wired. A single pole single throw spst switch is a switch that only has a single input and can connect only to one output.

Single pole double throw. It is also called a changeover switch. This means it has one input terminal and two output terminals. Single pole single throw normally open a simple on off switch.

The two terminals are either connected together or disconnected from each other. An example is a light switch. A single pole double throw switch can serve a variety of functions in a circuit. A single pole single throw switch serves in circuits as on off switches.

The two terminals are normally disconnected open and are closed when. 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. A 2 way changeover switch directs the flow of current to one of two routes according to its position.