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Circuit Breakers

Circuit breakers are used in a variety of electrical applications, from distribution panels and motor control to low-voltage power supplies and instrumentation. Circuit breakers are generally used to prevent certain types of electrical faults and circuit overloads, and can be manual or automatic. They form an integral part of the electrical system and ensure a safe, reliable and efficient operation of the electricity supply chain.

The LELK1-1REC4-33274-20-V circuit breaker is a thermal magnetic circuit breaker that is designed to provide overload protection for three-phase motors by interrupting the circuit in the event of excessive current flow. It is designed for use in industrial and commercial installations, and is UL 1077, CSA, and VDE certified for use in North America and Europe.

Working Principle

The working principle of the LELK1-1REC4-33274-20-V circuit breaker is based on the fact that when the current flowing through the breaker exceeds a certain amount, a thermal magnetic element is activated. This element is made up of two parts: a thermal element and a magnetic element. When the current reaches a predetermined level, the thermal element melts and the magnetic element is then able to move, thereby causing the contacts of the breaker to open. Through this process, the flow of current is interrupted and the circuit is broken.

The great advantage of this type of circuit breaker is that it can be used to protect against overloads, short circuits, and phase imbalances. It also provides a high level of protection against ground faults as well as indirect contact. Furthermore, it is designed to shut off the power if there is an excessive current or temperature increase, making it an excellent choice for protecting against hazardous conditions.

Application Field

The LELK1-1REC4-33274-20-V circuit breaker is primarily used for motor control applications in industrial and commercial settings. It is suitable for use in three-phase motors with a 230/400V AC supply, and is UL 1077, CSA, and VDE certified for use in North America and Europe. It can also be used with other types of motor control applications, including vending machines, elevators, and door openers. In addition, it can be used as an inexpensive overload protection device for low voltage power supplies and instrumentation.

These circuit breakers are extremely reliable, safe, and accurate and are designed to operate at temperatures up to 70°C. They are easy to install and maintain and offer a high level of protection for the attached equipment. They can also be used in a variety of installation settings, including dry, damp, and wet locations.

Conclusion

The LELK1-1REC4-33274-20-V circuit breaker is a reliable and accurate thermal magnetic breaker that is designed to provide overload protection for three-phase motors. It is UL 1077, CSA, and VDE certified and is suitable for both industrial and commercial applications. It is easy to install and maintain, and provides a high level of protection against overloads, short circuits, phase imbalances, and ground faults. It is an excellent choice for protecting against hazardous conditions and offers a cost-effective solution for protecting low voltage power supplies and instrumentation.

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