Relay Wiring Diagrams

Various Relay Wiring Diagrams

Below are the diagrams for connecting the various types of relays. This list covers Single Pole Single Throw (SPST) Relays, Single Pole Double Throw (SPDT) relays, and Double Pole Double Throw (DPDT) relays.

Each of the different types of relays have different configurations (as they have different numbers of pins).

The wiring diagrams below serve to show each pin of the relay and what they each represent, so a user can know how to wire them up when connecting them.

Single Pole Single Throw (SPST) Relay Wiring Diagram

For more in-depth details, click on SPST Relay Wiring Diagram.

Single Pole Double Throw (SPDT) Relay Wiring Diagram

For more in-depth details, click on SPDT Relay Wiring Diagram.

Double Pole Double Throw (DPDT) Relay Wiring Diagram

For more in-depth details, click on DPDT Relay Wiring Diagram.