209-2-1-65-4-9-50

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Circuit Breakers

Circuit breakers are electrical components that protect electrical appliances, circuits, and power grids from overloads. They are designed to open or interrupt the flow of electricity in an unsafe manner when an overload occurs, and thus protecting electrical systems from permanent damage due to excessive current. In the field of commercial and industrial applications, a variety of circuit breakers exist, and these are generally classified according to the type of voltage they are able to work with, the speed of reaction, the design of the enclosure, and other features.

209-2-1-65-4-9-50 Circuit Breaker

The 209-2-1-65-4-9-50 Circuit Breaker, also known as a Medium Voltage Vacuum Circuit Breaker, is one of the many different types of circuit breakers available. This circuit breaker is designed for use in medium voltage applications, typically rated from 2.4kV to 17.5 kV. It is particularly suitable for a wide range of industrial and commercial applications, such as power plants, substations, switchboards, and more. It features a built-in surge arrester, a short-circuit current rating up to 50kA, and is designed for a high closing force to prevent accidental closing. In addition, it has an impedance grounding option, and a continuous current rating of 500A.

Working Principle

The 209-2-1-65-4-9-50 Circuit Breaker works on the principle of using a vacuum interrupter, which is essentially a tube that can be closed and opened with the use of an external voltage, or by breaking the circuit with an interrupting contact. A vacuum is used to control the stream of electrons flowing through the interrupter, thus enabling it to open and close its contact with the external voltage or when it needs to break the circuit. When the circuit breaker is opened, the vacuum is rapidly decompressed and the contact is separated very quickly, thus providing an effective break in the circuit and preventing further damage or overload. As the contact is quickly separated, the circuit breaker is also able to quickly break any dangerous high energy arcs that would result in further damages, thereby protecting electrical appliances, circuits, and power grids from an overload.

Application Field

The 209-2-1-65-4-9-50 Circuit Breaker is used in a wide range of commercial and industrial applications, including power plants, substations, switchboards, and more. It is particularly suitable for applications where a high closing force is important to prevent accidental closing due to the increased current capacity. In addition, the impedance grounding option makes it ideal for applications where a high level of safety is required. And its continuous current rating of 500A makes it suitable for applications that require heavy loads, such as generators.

In conclusion, the 209-2-1-65-4-9-50 Circuit Breaker is an effective and reliable electrical component that can be used in a variety of commercial and industrial applications. Its ability to open and close quickly, and the built-in surge arrester make it a highly desirable component for power plants, substations, switchboards, and more. Furthermore, the impedance grounding option and the continuous current rating of 500A make it highly suitable for applications where a high level of safety is needed.

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