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ROCKER SWITCH


We have been using many electrical switches on a daily basis. But did we ever wonder how it works. How is it that the appliance gets switched between ON and OFF? So now I’ll be giving an introduction to a switch i.e. a Rocker Switch.

 

A Rocker Switch is simple on/off switch which works on the property of Single Pole Single Throw (SPST). It just rocks (rather than trips) when pressed, which means one side of the switch is raised while the other side is depressed much like a See-Saw which rocks back and forth.

It has one Input and one Output. When open, they disconnect the circuit so that current cannot flow to the load as shown in figure 1. When closed, current can flow and power the load. We can see that a SPST switch in figure 1 that has 1 terminal and one position. One terminal is for the input and the same terminal is for the output.

Figure 1 (Rocker Switch)

Figure 1 (Rocker Switch)

Now I will show a simple example of how a Rocker switch works:

We can see that this circuit below functions simply as an ON-OFF switch to turn on or shut off the DC motor.

Figure 2

Figure 2

Figure 3 and 4 gives us a clear picture on how a Rocker switch works. In figure 3, the switch is closed. So the lamp does not blink. But in figure 4, we can see the 2 lamps blinking when the switch gets closed for supply to flow through.

Figure 3 (Before Simulation)

Figure 3 (Before Simulation)

 

Figure 4 (After Simulating)

Figure 4 (After Simulating)

If it used in an Independent circuitry, we can have a light activated on the face of a switch in both ON and OFF positions which allows the switch to be found easily in the dark as shown in figure 5. But when used in Dependent circuitry, the light is activated only when the switch is ON as shown in figure 6.

Figure 5

Figure 5

Figure 6

Figure 6

Important features about Rocker Switch

  • It can be panel mounted and has two tabs for connecting wire.
  • Rocker switches are used in surge protector s, display monitors, computer power supplies, and many other devices and applications.

 

Thank you for reading this blog,

 

For more information about the product please visit:  http://www.tenettech.com/product/4072

For technical queries please drop an e-mail: info@tenettech.com

 

 

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