Basic switch symbols spst.
Single pole single throw switch circuit symbol.
Double switch dpst bipolar double pole single throw.
This means it has one input terminal and two output terminals.
Switch with delayed opening.
Below is an example of a circuit which utilizes a single pole single throw switch.
Spst switches are thus very simple in nature.
In our electrical software you can click the action button then click the close circuit menu item to close the circuit switch.
A switch s throw count defines how many positions each of the switch s poles can be connected to.
Open switch spst single pole single throw generic symbol info.
This type of switch is sometimes called an a b switch because it lets.
When used with mains electricity this type of switch must be in the live wire but it is better to use a dpst switch to isolate both live and neutral.
A single pole double throw switch can serve a variety of functions in a circuit.
So a switch with one pole can only influence one single circuit.
Spst single pole single throw.
Switch with delayed opening and closing.
An on off switch allows current to flow only when it is in the closed on position.
A 2 way changeover switch directs the flow of current to one of two routes according to its position.
Single pole single throw spst switch circuit.
A four pole switch can separately control four different circuits.
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.
Closed switch spst single pole single throw.
When the switch is closed the circuit is on.
Spdt single pole double throw.
Spst single pole single throw.
A single pole single throw spst mercury switch on millimetre graph paper another mercury switch design a mercury switch is an electrical switch that opens and closes a circuit when a small amount of the liquid metal mercury connects metal electrodes to close the circuit.
A dpst switch is often used to switch mains electricity because it can isolate both the live and neutral connections.
Double pole single throw dpst a pair of on off switches which operate together shown by the dotted line in the circuit symbol.
A single pole single throw switch serves in circuits as on off switches.
You can double click to edit the text at the symbol.
Switch with delayed opening.
2 way switch spdt spdt single pole double throw.
An spst switch has two terminals.
A simple on off switch.
A basic on off switch that turns a single circuit on or off.
The photograph shows a spst toggle switch.
On off switch spst spst single pole single throw.
This type can be used to switch the power supply to a circuit.
Switch delay when opening and closing.
One for the input and one for the output.
Single pole single throw.
For example if a switch has two throws each circuit pole in the switch can be connected to one of two.