Contactor vs relay - Difference between Relay and Contactor
To turn things on and off, we need devices that are switchable by the application of a current or voltage. Electrically, we have transistors and integrated circuits. Mechanically, we have relays and contactors. The main difference between contactors and relays is the loads that they are meant to handle. Contactors are used for loads that have high voltages, high currents, or both. Contactors are used for devices that pass more than 15 amps or loads of more than 3kW. For lower amounts, ordinary relays are used.
In this video we learn difference between contactors and relays.
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Types of Relay - Different Types of Relay - Classification of Relays
https://www.youtube.com/watch?v=uGsWr2ThaAk
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