Place the relay s rated coil voltage on these terminals.
Double pole double throw relay symbol.
It has 2 terminals and 4 connectors and you can look at the dpdt relay as the equivalent of 2 single pole double throw spdt relays.
The 2 coil terminals is where the voltage is placed in order to energize the coil.
Clicking the arrow button to reveal an internal cross section of the relay as it opens and closes.
Dp switches control two independent circuits and act like two identical switches that are mechanically linked.
But most frequently used relays are spdt relay and dpdt relay both are acts as electromechanical switch.
This is the diagram below to learn all the pin terminals of a double pole double throw dpdt relay.
Dpdt double pole double throw.
A double pole double throw toggle switch is a combination of two individual spdt single pole double throw switches connected in the single assembly.
Pole refers to the number of circuits controlled by the switch.
Sp switches control only one electrical circuit.
The dpdt relay double pole double throw is quite interesting and can be used in various scenarious including for changing the direction of a motor as you can see in the picture below.
A positive and negative voltage can be placed on either end.
It has one common terminal and 2 contacts.
Sp and dp refer to single pole and double pole st and dt refer to single throw and double throw.
Single pole double throw spdt relay contains two coil terminals and common terminal then two switching terminals n o normally open n c normally close if there is not enough dc supply in.
What do spst spdt dpst and dpdt mean.
Dpdt double pole double throw toggle.
An animation illustrating how an spdt relay works.
