BR2D20UC

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Circuit breakers are important components of any electrical system. The BR2D20UC is a unique type of circuit breaker which serves a crucial role in providing reliable over-current protection for industrial applications. This article explores the application field and working principle of the BR2D20UC.

The BR2D20UC is a thermal-magnetic circuit breaker that is used for motor loads and other applications that require high starting currents. As a thermal-magnetic breaker, it uses both temperature and the current flowing through it to detect fault conditions. When the temperature of the terminal rises above the set limit, or if the current exceeds the rated value, it trips the breaker to shut off the power supply. The BR2D20UC is highly attractive due to its fast response times and its ability to reliably detect conservative loads.

The BR2D20UC is used in a wide variety of circuit applications, including air conditioners, motors, pumping systems, solar systems, and other industrial applications. It is ideal for applications where the peak current can exceed the nominal current rating and where the tripping speed of the device is important. The BR2D20UC provides a high degree of overload protection, allowing the circuit to shut off before damage to the load occurs.

The BR2D20UC is a compact, single-pole device which provides reliable overload protection and fast trip characteristics. Its feature set make it especially suited for applications in domestic, commercial and industrial applications. It is designed to provide high reliability and performance, with a working voltage of 500v and a maximum breaking capacity of 10 KA. The BR2D20UC is also available in different sizes to accommodate a variety of installation scenarios.

The BR2D20UC works on the simple principle of thermal-magnetic operation. It contains a small bimetallic strip inside which is heated when an overcurrent flows through the device. The heat generated causes the bimetallic strip to bend and expand, which causes the internal contacts to trip and disconnect the circuit. At the same time, a permanent magnet is also employed to act as a back-up protection in case of an overcurrent. The permanent magnet trips due to magnetic force, and it also has a higher trip speed than the bimetallic strip.

The BR2D20UC also features an adjustable trip strength. This allows the user to increase or decrease the sensitivity of the unit, depending on the type of load that it is connected to. This feature can be used to ensure that the BR2D20UC trips quickly when necessary without tripping when it should not. This adjustable trip strength and instant trip feature makes the device ideal for applications in which reliable and precise over-current protection is desired.

In conclusion, the BR2D20UC is an incredibly versatile thermal-magnetic circuit breaker that provides reliable and precise overload protection. Its compact design and adjustable trip strength make it ideal for a wide variety of applications where fast response time and high performance are needed. The BR2D20UC also allows for precise current ratings due to its adjustable trip strength and magnetic trip backup.

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