LELHPK1111-32199-1-V

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Circuit breakers are crucial components in most electronic and electrical systems today, providing protection to equipment from thermal and electrical overloads. The LELHPK1111-32199-1-V (referred to as the LELHPK) is a type of circuit breaker with several key features that make it highly desirable for industrial and other applications. In this article, we take a look at the application field of the LELHPK and its working principle.

Application Field

The LELHPK is a medium-voltage circuit breaker, capable of breaking and making circuits up to a rated voltage of 32 kV. Its high performance construction and extremely reliable switching system make it suitable for a variety of applications in which it can protect electrical circuits from excessive current or voltage surges. One of its primary applications is in substations for the transmission and distribution of power, where it helps control electrical loads and protect equipment from power surges.

The LELHPK is also used in a variety of commercial, industrial, and residential settings to protect equipment from dangerous high voltage surges. This type of circuit breaker is also commonly used in motor controls, where it helps to protect motors on machinery from overheating. It is also a popular choice for use in hazardous locations, due to its high level of safety and performance.

The LELHPK can also be used in electrical distribution systems, where it helps to protect production processes from dangerous current overloads, reducing the strain on local power systems and helping to improve the efficiency of electrical distribution. All of these features make the LELHPK a popular choice in many industrial and commercial settings.

Working Principle

The LELHPK operates on a system of four main components – a single-phase contactor, a two-phase contactor, a power transformer, and a shunt release. When a current exceeds its rated value, the contactor provides a short circuit to reduce the current flow, which trips the two-phase contactor, causing a rapid opening of the contacts. The power transformer then redirects the current through the shunt release, which acts as a break to stop the current flowing.

The system as a whole helps to ensure that dangerous current surges are quickly identified and the contacts are opened before equipment is damaged. The LELHPK is highly efficient due to its rapid current breaking and its very short response time. Its highly reliable switching system also allows for a rapid and safe fail-safe system that can quickly isolate any component affected by electrical fault.

The LELHPK also has several other features that make it desirable for industrial and other applications. Its automatic transfer switch can rapidly transfer power from two sources, allowing for improved efficiency and power quality. It also comes with several safety features such as overload and under voltage protection, as well as current limit protection.

Conclusion

The LELHPK circuit breaker is an efficient and reliable medium-voltage device for protecting electrical circuits from overloads. It is suitable for a wide range of applications, including motor controls, hazardous locations, and electrical distribution systems. Its multiple safety features, rapid current breaking, and responsive switching system make it a popular choice for industrial and commercial applications. With its numerous features combined, the LELHPK circuit breaker is an excellent choice for protecting equipment from excessive current and voltage surges.

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