Construction And Repair

Automatic differential current switch: device and principle of operation of the difavtomat Construction And Repair

Once upon a time, one-time fuses served as protection against overload in the electrical network - plugs, switching off of which was often ignored by consumers, then they began to install automatic...

What is better difavtomat or RCD: characteristics of devices, the main differences between them Construction And Repair

Safe working and living conditions for each person presuppose the provision of reliable protection against electric shock. A serious hazard comes from lines with damaged or poor quality insulation....

How to connect the machine: recommendations for choosing a device and a wiring diagram in the electrical panel Construction And Repair

Circuit breakers are used to supply power to the circuit and to automatically de-energize it in the event of a malfunction.ContentDesign featuresCriterias of choiceRated electric currentTime-curren...

How to put an automatic introductory machine into the house: calculating the required number of amperes Construction And Repair

The use of protective equipment is very important when using electrical networks. The input circuit breaker is part of the protective system. In the event of a short circuit or deviations in the op...

Calculation of the machine for power for 380 V: characteristics, principle of operation and selection of a three-phase switch Construction And Repair

Modern systems for protecting electrical wiring from burnout and ignition involve the use of circuit breakers and are divided according to the type of network into single-phase and three-phase. In ...

Dif automatic ABB 16a: the basics of work, control of differential current, connection and marking Construction And Repair

The installation of protection devices is an indispensable element of the safe use of electrical networks. As such, circuit breakers and residual current devices (RCDs) are used. The device combini...

Two-pole switch: device and principle of operation of the machine, diagrams with the desired automatic device Construction And Repair

A two-pole switch is designed to control and compare the operation of two sections of the same electrical network. In the event of a short circuit, like other faults in any area, both lines are aut...

Electric automatic machine: description and characteristics, principle of operation and varieties, scheme for building protection Construction And Repair

The installation of protective equipment is an important step in the construction of electrical networks. In the event of large currents, heating occurs, causing the insulating layer of the conduct...

Calculation of the machine by power: the purpose of the device, the principle of operation, the selection of the rating according to the table Construction And Repair

When carrying out electrical work, safety should always be the main criterion. After all, a lot depends on this, up to the life and health of a person. And the reason for such an event does not mat...

Ratings of automatic machines for current, types of protective devices Construction And Repair

During the creation of an electrical panel or when connecting to a network of devices of rather high power, which load the system heavily, the employee thinks about which circuit breaker is better ...