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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 37 results

  • LY-011B DC5V Small Electromagnetic Lock

    LY-011B DC5V Small Electromagnetic Lock

    7,45 /6,16 excl. VAT
  • LY-011C DC12V Small Electromagnetic Lock

    LY-011C DC12V Small Electromagnetic Lock

    8,45 /6,98 excl. VAT
  • LY-025 DC12V 42N 12MM Electromagnetic Lock

    LY-025 DC12V 42N 12MM Electromagnetic Lock

    22,45 /18,55 excl. VAT
  • LY-06 DC12V 5N 10MM Electromagnetic Lock

    LY-06 DC12V 5N 10MM Electromagnetic Lock

    12,45 /10,29 excl. VAT
  • Front view of a Brushless Motor A2212 1000KV

    Brushless Motor A2212 1000KV

    11,95 /9,88 excl. VAT
  • Grove relay module

    Grove – Relay

    3,95 /3,26 excl. VAT
  • Industrial 6-ch relay module for Raspberry Pi Zero - RS485/CAN

    Industrial 6-ch relay module for Raspberry Pi Zero – RS485/CAN

    47,95 /39,63 excl. VAT
  • Industrial Modbus RTU 8-ch Relay Module – Digital Input & RS485 Interface

    41,95 /34,67 excl. VAT
  • Industrial Modbus RTU 8-ch Relay Module, RS485 Bus, Multi Protection

    Industrial Modbus RTU 8-ch Relay Module – RS485 Bus

    37,95 /31,36 excl. VAT
  • KK-P30 / 25

    Solenoid electromagnet 12V 15KG

    9,95 /8,22 excl. VAT
  • 100kg electromagnet

    Solenoid electromagnet 12V 100KG

    49,95 /41,28 excl. VAT
  • KK-P40 / 20 solenoid

    Solenoid electromagnet 12V 30KG

    14,96 /12,36 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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