It is controlled by two momentary acting switches or sensors one that sets the relay and the other resets the relay.
Dpdt latching relay wiring diagram.
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.
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Pole refers to the number of circuits controlled by the switch.
It will work with other dpdt twin coil latching relays but the resistor and capacitor values may need to be adjusted to suit.
Sp switches control only one electrical circuit.
What do spst spdt dpst and dpdt mean.
Dpdt relay wiring diagram this is the diagram below to learn all the pin terminals of a double pole double throw dpdt relay.
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The 2 coil terminals is where the voltage is placed in order to energize the coil.
Dp switches control two independent circuits and act like two identical switches that are mechanically linked.
A latching relay is a two position electrically actuated switch.
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.
The red led and the dc fan now shut off and the green led and the dc motor now turn on and operate.
When the relay receives 12 volts of power the relay snaps from the nc position to the no position.
The circuit as shown has been tested with the jaycar sy4060 relay.
The unused set of relay contacts can be used as an spst or spdt switch.
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S1 again causes the relay to switch back to the reset state via the same process.
It will work with other dpdt twin coil latching relays but the resistor and capacitor values may need to be adjusted to suit.
The circuit as shown has been tested with the jaycar sy4060 relay.
Sp and dp refer to single pole and double pole st and dt refer to single throw and double throw.
