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The contactor of the electric boiler is an important part of the system, which is used to control and regulate the electrical energy to the heating system. This element acts as a switch that opens or closes the electrical circuit depending on whether the heating needs to be activated or deactivated.

The contactor thus functions as a simple switch, with the difference that instead of mechanical manipulation, it is controlled electrically. Its main advantage is the ability to control a large amount of electrical power with a small amount of input power.

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