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Contactor :
Contactors are electromagnetic switches and are considered to be one of the most important components of control circuits. Before contactors were made, connections were made by manual switches, which were of different types of blades, tongues, and rollers, but with the arrival of contactors in the market, almost all the uses of simple switches Out of date, contactors were considered faster and more reliable.
## Compared to simple keys, the contactor has characteristics such as:
1-Command from several points
2- Remote control
3- Being economical
4- Automatic shutdown in case of power failure
5- The possibility of designing automatic circuits
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Contactor building:
It can be said simply that the contactors are a series of metal contacts that are insulated from each other and also made of a bobbin to attract and repel these contacts.
Contactor working principles:
When Bobby
Qom