Let's consider what UZM-50TSM is, its technical characteristics, connection diagram, and also what this device protects from. Advantages and disadvantages of the UZM-50TSM from Meander.

Photocells are used to automatically turn on and off the lighting. We will figure out how the photo relay works, what it consists of and what types of light sensors are.

A new development for protection against overvoltage losses in the network is the ONS amplitude limiter. Limiter circuit and operation features. Test know-how.

Overview of the characteristics and operating principle of VAR-M01-083. Connection diagram of the multimeter to the electric network. The scope of this unit.

Sonoff Wi-Fi relay is designed to turn on and off electrical appliances according to a given program or via the Internet. How to connect a Wi-Fi relay and how it works is described in the article.

What is UZM-50C, what are the characteristics and functions of this device. Connection diagram of UZM-50Ts in a single-phase and three-phase network. User manual.

Description of the characteristics and operating principle of the RMM-47. Wiring diagram for undervoltage and undervoltage release. The purpose of the release in the shield.

The device, the principle of operation and the purpose of the load cell. What are the strain gauges and how each version works. Sensor connection diagram.

What are the characteristics, the principle of operation and the scope of the impulse voltage limiter OIN-1. Connection diagram of the limiter and installation rules in the panel.

How is the varistor checked for serviceability. External inspection of a varistor and a proverb by a multimeter or a megaohmmeter. The causes of the malfunction.

What is a varistor, what is its principle of operation and purpose. The main characteristics of varistors. Rules for choosing this protective device.

What is a phase switch and where does it apply. Connection diagram of the phase switch to the network. Rules for choosing a switch between phases.

What are the limit switches for and what types of devices are. The principle of operation of the trailer (limit switch) and the scope.

Criteria for choosing a magnetic starter for the motor, lighting and other types of load. How to choose a magnetic starter for power, current and other parameters.

How to choose a voltage relay for an apartment and a private house. Tips for choosing the characteristics of the voltage relay, manufacturer and version.

How to connect an SPD in the shield. Connection diagram for surge protection devices in single-phase and three-phase networks.

What is a surge protection device, what it consists of and where it is used. The principle of operation of the SPD, protection classes and the difference between them.

What is a load priority relay, what is its principle of operation and purpose. Scope of the priority load selection relay.

The device, the principle of operation and the purpose of the indicator relay, which is also called a signal. Find out what the indicator relay consists of and how it works.

The device, principle of operation and purpose of the overcurrent relay. Find out how the current relay works, what it consists of and what it is used for.

Instructions for setting up and connecting the voltage control device. Characteristics and design features of UKN-63s.

Not sure how to connect an intermediate relay to the network? In this article, we examined the connection diagrams of an intermediate relay, as well as video installation instructions.

Device, principle of operation and purpose of solid-state relays. Find out what these devices are, why they are needed and where they are used.

The device, principle of operation and purpose of the phase monitoring relay. Find out how the phase monitoring relay works, what it consists of, where it is used. The main types of devices.