Double Pole Double Throw Switch

Single throw type switches designate an on or off type operation.

Double pole double throw switch.

A double pole double throw dpdt switch is a three selection electrical device in which there is one off and two on positions. Each input has 2 corresponding outputs that it can connect to. Each of the terminals of a double pole double switch can either be in 1 of 2 positions. A double pole double throw dpdt switch is a switch that has 2 inputs and 4 outputs.

You can see above how a double pole double throw switch can allow a circuit to be in 1 of 2 modes. Sp and dp refer to single pole and double pole st and dt refer to single throw and double throw. Dp switches control two independent circuits and act like two identical switches that are mechanically linked. Sp switches control only one electrical circuit.

This makes the the double pole double switch a very versatile switch. 33 48 of over 1 000 results for double pole double throw switch yueton 10 pcs ac 125v 6a amps on on 6 terminals 2 position dpdt toggle switch 4 7 out of 5 stars 275. These screw terminals are mounted on the side of the switch. An application for this switch is for reversing a direct current dc electrical motor.

Below is an example of a circuit which utilizes a double pole double throw switch. A double pole single throw switch is used for turning electricity either on or off. Double pole double throw switch dpdt circuit. Double throw switches can divert the flow of electricity from one set of screw terminals to another.