Also relays can be used to switch higher draw accessories to reduce switch load and voltage drop. The diagram below represents the schematic diagram for a spst rocker switch.
Metal Toggle Switch 6 Pin Dpdt On Off On
Spst switch wiring diagram. Pole refers to the number of circuits controlled by the switch. Below is the wiring schematic diagram for connecting a spst toggle switch. Spst toggle switch wiring. The other terminal is for the output. Connect the lamp 2 to the common middle terminal of spdt switch shown by blue wire in the circuit diagram. Do the proper earthing and grounding according to your local area codes.
The switch will either be closed or completely disconnected. Connect the lamp 1 to the upper terminal of spst switch. What do spst spdt dpst and dpdt mean. Theyre also a very common form of momentary switches. You can see that a spst toggle switch only has 2 terminals. You might want to review the article on toggle switch wiring before proceeding.
Spsts are perfect for on off switching. 1 terminal is for the input. Spst toggle switches function as simple on off switches. Pin 1 is where the rocker switch receives the input power. Pin 2 is where the accessory that the switch is going to turn on is connected. Dp switches control two independent circuits and act like two identical switches that are mechanically linked.
Spst switches should only require two terminals. Connect the live line or phase wire to the lower terminals of spst 1 way and spdt 2 way switches. A single pole single throw spst switch is as simple as it gets. Sp and dp refer to single pole and double pole st and dt refer to single throw and double throw. 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.
We will now go over the wiring diagram of a spst toggle switch. Its got one output and one input. Pin 3 is where the switch is either connected to ground or left open.
Gallery of Spst Switch Wiring Diagram
