LMLK1-1RLS4-31590-50-V

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Circuit Breakers are protective switchgear apparatus used to stabilize electrical networks and reduce the risks of short circuits or overloads. The LMLK1-1RLS4-31590-50-V Circuit Breaker is one such device that offers superior protection of electrical systems and components against power fault conditions or power quality issues. It is specifically designed for low and medium voltage applications in the 4.16kV, 6.3kV, 12kV, 17.5kV and 24kV primary distribution networks.

The LMLK1-1RLS4-31590-50-V Circuit Breaker is an advanced, compact and economical protective switchgear device. It is equipped with vacuum interruption system and has a life expectancy of more than 30,000 operations. The performance and structure comply with IEC-62271-100 and GB10963.1 standards. This circuit breaker eliminates the need for manual control of circuit breakers, as it has a programmable, automatic control system.

The common application field of the LMLK1-1RLS4-31590-50-V includes equipment and machines used in power generation, transmission, distribution and industrial applications. The circuit breaker can be used in emergency power supply systems, substations and motor control centers. It is also used in applications like automatic voltage regulation, load shedding, system wiring and protection of the electrical system against overcurrents and protection of personnel against electric shock.

The working principle of the LMLK1-1RLS4-31590-50-V Circuit Breaker is based on the welding and cutting of electric arcs, which is achieved by means of arc extinction and energy control. When the current flowing through the system exceeds the set limit, the bimetallic element of the circuit breaker reacts and generates a force that opens the main contacts and initiates the tripping operation. A movable contact is then trips the arc current, while some quenching medium, such as SF6 gas is used to extinguish the arc between the contacts. Once the arc is extinguished, the contacts are restored to the fully open position.

The LMLK1-1RLS4-31590-50-V Circuit Breaker is equipped with several protective functions to ensure the safety of personnel and equipment. The breaker is equipped with sensitive overcurrent protection, which monitors the current flow and trips the circuit breaker in case of overcurrent or ground fault. It also has a thermal protection trip system, which trips the breaker in cases of increased temperature. Additionally, the breaker has a surge arrester, which is designed to absorb the energy of large overloads and provide protection from voltage surges.

The LMLK1-1RLS4-31590-50-V Circuit Breaker is a reliable and cost-effective way to protect an electrical system from power fault conditions and damage due to overloads and surges. The vacuum interruption system provides superior protection for components and personnel, while the automatic control system eliminates the need for manual intervention. This circuit breaker is suitable for low and medium voltage applications, making it a great option for a wide range of uses.

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