Introductory machine. How to choose an introductory machine and connect.
The introductory machine is not some special device, but a simple circuit breaker, which is installed very first.
Why do you need an introductory circuit breaker? It protects all other protective devices, as well as electrical wiring from short circuits and overloads.
How to choose an introductory machine? They choose an introductory machine in accordance with the permitted power for your home, as well as what kind of power supply you have for one or three phases.
An introductory circuit breaker is installed necessarily in front of the counter. If you already have a meter installed on the street or landing, then it is advisable to install another introductory circuit breaker of the same rating in the house or apartment. Also, instead of an introductory circuit breaker in a dwelling, you can install a load switch, a simpler switch.
00:01 General questions.
00:45 Why do we need an introductory circuit breaker?
01:03 Where to install the introductory machine.
01:51 Introductory machine ampere.
03:10 Introductory machine to the house and apartment.
03:36 Types of circuit breakers.
04:19 Connecting the introductory 220 volt machine.
06:45 Connecting the introductory 380 volt machine.
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