Features of selection of automatic switches

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Automatic switches are used in various industrial sectors of human activity. Most often, this type of device can be found on power transmission lines. It is used to turn off the electrical network in time in case of system overvoltage. Overvoltage occurs due to a large number of loads on the electrical system.

Principles of selection of circuit breakers
The choice of a circuit breaker must be approached with special responsibility. Before purchasing, it is necessary to take into account a large number of different nuances. Among these factors, the following fusion data can be distinguished:



type of equipment;
switch model;
technical characteristics of the device;
switch power rating;
device manufacturer.
The most common consumer mistake can be identified: users choose those devices that have the maximum power rating. If the network voltage exceeds the normal rating, then the wire will begin the overheating process, but the switch will not operate. This factor is due to the fact that high-power devices will not be able to react to the smoldering process. If the melting process of the wire is not stopped in time, a short circuit occurs in the system. Only in the event of a short circuit will the equipment work.

Based on the information described above, we can summarize. Automatic switches are considered an indispensable part of the protective structure of electrical systems. The use of protective automatic switches in electrical industrial systems is established at the legislative level. The absence of such devices can be a criminal offense.

The user should give preference to those automatic systems that have full technical compatibility with the electrical system. It is recommended to entrust the installation process to qualified specialists.

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