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Controlling with a relay

Controlling with a relay

Item no.: P1375900

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The students are familiar with the construction and functioning of electromagnets and, generally, are also aware of their use in a simple relay.
The changeover relay used in this experiment is more complicated. It is therefore recommended that the instructor go over the introductory information with the students. This makes it easier for the students to gain an understanding of the relatively intricate circuitry in the experiment.


  • No additional cable connections between the building blocks needed - clear arragned and quick setup
  • Contact saftey due to puzzle blocks system
  • Corrosion-free gold plated contacts
  • Doubled earning sucess: Electric circuit diagram on top, real components can be seen unterside


How does a relay trigger a switching process?

Show that an electromagnetic relay can be used to switch circuits (operating current circuits) on and off and as a changeover switch.


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