20-050-21X

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Protection relays are the devices used to monitor and protect electrical power systems from over-­voltage, under–voltage, and over–current conditions. They can be used to protect a significant range of industrial, commercial and domestic electrical installations, from small single-­phase, low-­voltage circuits up to large-­scale, complex, high-­voltage systems. The different types of protection relays and their operation is based on the various protection systems, as will be discussed in this paper.

The 20-­050-­21X application field and working principle is a type of protection relay used in industrial and commercial buildings. This type of relay is designed to protect a variety of electrical devices from trip and fire hazards due to overcurrent, undervoltage, or short circuits. This type of relay is based on the principle of an electromechanical voltage relay, which consists of a coil, a contact, a spring, and an actuator.

The coil in the electromechanical voltage relay is a coil of wire wrapped around a core, which is then coupled to an electrical circuit. When current is passed through the coil, a voltage is generated, which causes the spring to move. This generates a contact, which in turn closes to complete the electrical circuit. The actuator in the relay drives the contact open if the voltage in the circuit exceeds a predetermined threshold. This is the basic operating principle of this type of protection relay.

In addition, this type of protection relay also works on the principle of current sensing. This is done by the use of a current transformer, which is designed to measure the current in the circuit. If the current in the circuit exceeds a predetermined threshold, the relay will activate and the contact will be opened, thus protecting the circuit from overcurrent, undervoltage, or short circuits. The 20-­050-­21X protection relays can be used in a variety of industrial and commercial applications, and can be operated from AC or DC power sources.

This type of protection relay has a number of features that make it an important part of any electrical system. For example, it is highly reliable and has a high degree of safety, due to its built-­in protection features. Additionally, it provides a stable output and is easy to operate and maintain. This makes it an ideal choice for a wide variety of applications, including motor homes, industrial plants, and buildings.

The 20-­050-­21X application field and working principle is a very popular type of protection relay. The advantages of this type of relay include its ability to provide protection against overcurrent and undervoltage, as well as short circuits. It is also highly reliable and has a high degree of safety, providing stable output and easy maintenance. This makes it ideal for a variety of applications, from motor homes to industrial plants.

The specific data is subject to PDF, and the above content is for reference