Look at picture 11 and 12 it consists of two common input terminals c e and both mechanically tied together to operate in the. Double pole double throw 3pdt three pole double throw 4pdt four pole double throw.

Different Types Of Switches With Circuits And Applications
4 pole double throw switch schematic. Switch reference guide spst spdt dpst dpdt sp and dp refer to single pole and double pole st and dt refer to single throw and double throw. Double pole double throw switch dpdt circuit. Special circuits three throw on on on 3. Below is an example of a circuit which utilizes a double pole double throw switch. When the dpdt switch is switched one way flipped upward in the diagram the lamp and buzzer are both on while the. Double pole double throw toggle has 2 input terminals and 4 output terminals.
Fig 12 dpdt terminal diagram. 1 pole double throw switch 12 volt single pole double throw switch 12 volt single pole single throw switch 120 volt double pole double throw switch 120v single pole. Poles and schematics single pole double pole three pole four pole. Single pole one circuit controlled by the switch. Circuit a is connected to a lamp and an led. You can see above how a double pole double throw switch can allow a circuit to be in 1 of 2 modes.
Here pole indicates individual input circuit and throw indicates the output circuit. Double pole two independent circuits controlled by the switch which are mechanically linked. Throw single throw switch on none off double throw switch on none on throw number of electrical circuits within a pole. Below is an example of a circuit which utilizes a double pole double throw switch. Double pole double throw switch dpdt circuit. You can see above how a double pole double throw switch can allow a circuit to be in 1 of 4 modes.
When is the switch is one way the lamp is on and the led is off.