The Differential Switch and step-by-step operation verification

First of all we will identify the circuit breaker or circuit breakers in the protection box of the installation depending on the degree of electrification of this. In a building, premises or industry with high electrification there will be more than one differential switch. A Differential Switch (ID) is a protective device that is mandatory to be placed in all low voltage electrical installations. Its mission is to interrupt the electrical circuit when there is a diversion of current in the installation or in any device connected to it, thus preventing anyone from coming into contact with the current and avoiding an accident of people and other living things. This type of protection is special for people and things, being the ID switch independent of fuses and the small magnetothermal switches PIAs usual in low voltage electrical installations.

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