The diagram below represents the schematic diagram for a spst rocker switch. Its got one output and one input.

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Spst switch diagram. The switch will either be closed or completely disconnected. A single pole single throw spst switch is as simple as it gets. The other terminal is for the output. V1d1 b60b on off rocker switch. A spdt toggle switch may be used as a simple on off switch by connecting to com and one of the a or b terminals shown in the diagram. Pin 2 is where the accessory that the switch is going to turn on is connected.
Heavy duty rocker toggle switch 15a 125v 250v spst 3 pin onoffon switch metal bat waterproof boot cap cover 6 pack by mxrs 43 out of 5 stars 184 999 9. Also relays can be used to switch higher draw accessories to reduce switch load and voltage drop. It will be printed with v1d1 12v 20a and carling technologies. You might want to review the article on toggle switch wiring before proceeding. Single throw closes a circuit at only one position. Below is the wiring schematic diagram for connecting a spst toggle switch.
Diagram a diagram b diagram c diagram d diagram e b l 2 4 3 l1 b l2 1. Spdt is a popular type of switch and suppliers are likely to have a good variety of styles for example. Spst switches should only require two terminals. Pole refers to the number of circuits controlled by the switch. Variety of 6 pin dpdt switch wiring diagram. Dp switches control two independent circuits and act like two identical switches that are mechanically linked.
The center position is off. We will now go over the wiring diagram of a spst toggle switch. Spst toggle switch wiring. A and b are interchangeable so switches are usually not labelled. An illuminated rocker switch is like a spst toggle switch with an extra terminal which allows the light to work. Sp switches control only one electrical circuit.
1 terminal is for the input. What do spst spdt dpst and dpdt mean. Spsts are perfect for on off switching. You can see that a spst toggle switch only has 2 terminals. Spst on off dpst on off. Pin 1 is where the rocker switch receives the input power.
Theyre also a very common form of momentary switches. Sp and dp refer to single pole and double pole st and dt refer to single throw and double throw. The dpst switch for example has four terminals however is a double pole dp and not a four pole 4p switch. Perhaps the most common rocker switch on the planet the v1d1 b60b is a spst standard on off rocker switch. Pin 3 is where the switch is either connected to ground or left open. 6 pin dpdt switch wiring diagram on off illuminated rocker switch wiring diagram to double pole throw rh natebird me carling dpdt rocker switch wiring diagram dpst switch wiring diagram.