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teleshema - Free operating instructions of consumer electronics

What choose the automatic breaker?

What choose the automatic breaker? The automatic breaker needs for what strictly The Essence in that that automatic breaker this that the most minimum that can protect your instruments and internal network in the event of overloading. But overloading be the miscellaneouses and even such which simply and provide, that gravely. Can be included much instruments and equipment and therefor, чтоб supplying line to protect from overloading and destructions install the automatic breaker. Can be and short circuit and in this case for was not big "Baha", it is necessary to install the automatic breaker. Here is with the own hands and there is two main criterions which catch you to put the automatic breakers beside itself at the input on system of the power supply.
Translate the automatic breakers after cut-off will not form the labour, is done this simply and without any difficulties. The Main that automatic breaker gave you sign that with network that that not graceful and that it is necessary to take measures. Or limit the consumption, or search for the reason of the increased current on internal circuit, after automatic breaker. Can be and on mate include much devices and then operates the cut-off on current, in automaton operates heat protection. But be and events when where that on automaton is not delayed leading wire and contact is hot in view of increased connecting resistance. This brings about heating of the most automatic breaker and as a rule set approaches absolutely not on nomenclature. So that if automatic breaker has operated, that searches for the reason why he has operated. If you it is correct have selected under its consumption automatic breaker, that reason you will immediately find. But if have bought simply on thought automatic breaker, that variant will be pitiful. Is it At the best shot off automaton where that further on circuit, but in worse your protection simply to miss the overvoltage and strong heating wire, but this can cause both short circuit, and fire on production. On how to and with what position to choose for network automatic breaker I shall tell you. This not in a complicated way and if in school on mathematician was although 5 ball, that you with problem count and calculation of protection for own building on base of the use the automatic breaker manage exactly!
When will come to shop, do not see that you there manager to palm off will. Its problem to sell cherish, but your problem to buy the automatic breaker exactly such which you need and advisable more cheaply. If you offer the automatic breaker not known producer, that obviously it is necessary to refuse. Yes and whacked or damaged in work to automatic breakers does not cost to put. Do Not put obviously greater on powers than it is necessary automatons. Buy the automatic breakers under your parameters of the network and loads strictly. Advisable buy the automatic breakers of the world producers, I bear in mind marks known, rather then that that do on Small Arnautskoy in Odessa. Even though automatic breaker of the known mark, that buies follows in places where entrust, therefore as possible sticker of one producer to attach on forgery. In respecting itself shop like not necessary little who concerns with.
In general you better certainly ask beside specialist who you entrust, but afterwards go in shop. Hereinafter I shall tell you as strictly define what type and on what current you need the automatic breaker First go, necessary to choose the automaton for connection of the known loads necessary to calculate the current. The Main, чтоб at short circuits automaton cut off the supplying network. The Formula of the calculation of the current of the short circuit. I=U/Rk where U voltage to network (220/380 In)
R - impedance of the loop phase-zero
k - factor of the adjustment for automaton of the categories In: k = 5; the features With: k =10, features D: k = 50.
Raschityvaem minimum nominal current under which automatic.
I min n = 4.55 P where R all consumers on powers (kVt), which can be in line 220V after automatic breaker. In formula 4,55 this factor to propotions (А/KvT Main to keep the condition for automatic breaker:
Chosen by You automatic breaker must meets condition:
I min n
In the same way automatic breaker must operate under long not vastly excess of the current of the load, this so to speak heat protection. Here is strictly and all that it is necessary to know you at choice of the automatic breaker for its building.

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