Oct 28, 2021
Hello! This was an introductory machine, specify the nominal value, 5 amperes cannot be, maybe a typo? Or at each of the groups? One or three phase...
Oct 28, 2021
Hello! You write that the cable has burned out completely, but you are told that the remnants of the cable do not have any short-circuit traces. Yo...
Oct 28, 2021
Voltage stabilizers are not installed at home. In order for the voltage to be approximately equal in phases, the load must be evenly distributed ac...
Oct 28, 2021
The question is answered: Alexey BartoshHello! What does "how much time" mean? Why should it lead to fire? Did you come to this question because th...
Oct 28, 2021
1. For a warm floor, a difavtomat (or RCD + automatic machine) is needed, since this consumer is dangerous from the point of view of electric shock...
Oct 28, 2021
The question is answered: Alexander MyasoedovHello! And why did it fail, you guess? Surely not from physical damage? What you need to pay attention...
Oct 28, 2021
Hello! I do not think that the type of relay will change the life of the contactor coil. However, this will eliminate the influence of the solid st...
Oct 28, 2021
First, the pipeline is not a grounding device. The grounding device must have a certain resistance to ground - only in this case it will perform it...
Oct 28, 2021
You did not correctly ask the question, putting among the alternatives the choice from 100 to 500 mA. Naturally, 30 mA is the optimal solution. If ...
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Oct 28, 2021
Oct 28, 2021
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Oct 28, 2021
Hello! 1) ABB introductory machine for 25 A, so it makes no sense to put a machine after the counter at a higher value, since it will be useless. I...