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Relays & Actuators

Result 13-24 is shown of the 37 results

  • Rectangular electromagnet 30KG

    Solenoid electromagnet 12V 30KG - Rectangular

    49,95 /41,28 excl. VAT
  • 35Kg solenoid Electromagnet

    Solenoid electromagnet 12V 35KG

    19,95 /16,49 excl. VAT
  • 60KG solenoid electromagnet

    Solenoid electromagnet 12V 60KG

    29,95 /24,75 excl. VAT
  • Rectangle electromagnet 8kg

    Solenoid electromagnet 12V 8KG - Rectangular

    44,95 /37,15 excl. VAT
  • Solenoid electromagnet 3kg

    Solenoid electromagnet 12V 3KG

    5,45 /4,50 excl. VAT
  • KK-P20 / 15 solenoid electromagnet 3kg

    Solenoid electromagnet 12V 8KG

    6,95 /5,74 excl. VAT
  • Raspberry Pi relay board

    Raspberry Pi Relais Board

    24,95 /20,62 excl. VAT
  • JF-0630B solenoid

    JF-0630B Push Pull Solenoid Electromagnet

    13,95 /11,53 excl. VAT
  • Lock Style Solenoid

    Lock Style Solenoid 12VDC

    13,95 /11,53 excl. VAT
  • 1CH solid state relay

    1 Channel Solid State Relay Module

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

    2 Channel Solid State Relay Module

    5,95 /4,92 excl. VAT
  • 4CH solid state relay

    4 Channel Solid State Relay Module

    11,95 /9,88 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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