You can choose from a wide range of relays but do you know what type to use in your project? Well, sometimes is hard to choose, especially if you’re not sure which model you need or how a specific one works. In this article we will learn about different types of relay and what to use in you circuit to get the desired result.


Usually there a 2 types of relays:


a) Latching – it can have one or two coils and it can remain in the last position when the current is turned off. These type of relays are useful in applications where power consumption must be low because they require no current to maintain their position.

b) Non-Latching – it has a spring or magnet that maintains its initial state of NC (normal closed) when no current is flowing through the coil. When current flows through the coil then the contact is opened as you can see in the animation above.


Ferhat Çelik

1 thought on “Common Types of Relay

  1. Çanakkale merkezden ben erdem. Mrb paylaşım cidden iyi, sosyal medyada paylaştım 01-05-2017 18:18:41

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