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Relays & Actuators

Are you looking for a relay for switching electronics that requires more current or voltage than the microcontroller can supply? In our webshop we have different types of relays and actuators, suitable for all your projects. Order your relay circuit easily, quickly and with the right advice online? That is possible at Elektronicavoorjou.nl! View our full range of relay switches here.

Result 1-12 is shown of the 17 results

  • Grove relay module

    Grove – Relay

    3,95 /3,26 excl. VAT
  • 1CH solid state relay

    1 Channel Solid State Relay Module

    4,76 /3,93 excl. VAT
  • 2CH solid state relay

    2 Channel Solid State Relay Module

    7,74 /6,40 excl. VAT
  • 4CH solid state relay

    4 Channel Solid State Relay Module

    11,95 /9,88 excl. VAT
  • 8CH solid state relay

    8 Channel Solid State Relay Module

    20,75 /17,15 excl. VAT
  • Relay board 1 channels

    4,45 /3,68 excl. VAT
  • SRD-05VDC-SL-C Relay

    SRD-05VDC-SL-C Relay - 5 pins

    1,95 /1,61 excl. VAT
  • SRD-12VDC-SL-C Relay

    SRD-12VDC-SL-C Relay - 5 pins

    1,95 /1,61 excl. VAT
  • Relay board 1 channel with light coupling 5V

    4,95 /4,09 excl. VAT
  • Sale!

    Relay board 2 channels

    7,45 /6,16 excl. VAT
  • Relay board 4 channels

    7,95 /6,57 excl. VAT
  • Relay 16 channel

    Relay board 16 channel 12V

    18,95 /15,66 excl. VAT

What is a relay?

A relay is a switch that opens or closes switching contacts using an electromagnet. The relay is a frequently used component in digital circuits and can switch a much larger voltage with a relatively small voltage. A relay has two major components: the coil and the switch.

How does a relay work?

The most important part of the relay is the coil. This creates an electromagnetic field when voltage is applied to it. This turns the relay into a switch. The electromagnetic causes the iron core in the coil to become magnetic, causing it to pull the metal armature towards itself. This anchor then connects to one of the contacts. The moment the voltage is removed again, the armature returns to the initial contact.

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