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How to wire a relay ?

Relays are used to relay information, to transmit a variety of information at the same time and to change voltage.

Before starting to wire, you must verify that the coil voltage is the same as the voltage with which you will supply it.

To supply the coil, you need to connect your power cables to the terminals A1 and A2.

  • For control relays: all you have to do is wire your control according to the diagram to be found on the product. Depending on your wiring, you can have a NO or NC contact.
  • For power relays: you just have to connect phases on terminals L1, L2 and L3.

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