LELB1-1-52-5.00-1-01-V Circuit Protection

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Circuit breakers are an integral part of power distribution systems, serving a critical role in protecting people, property, and equipment from dangerous electrical faults. The LELB1-1-52-5.00-1-01-V is a type of breaker and is widely used in residential, commercial, and industrial settings. This article will discuss the application field and working principle of this type of breaker.

Application Field and Environments

The LELB1-1-52-5.00-1-01-V circuit breaker is designed for use in low voltage power distribution systems. It can be used in residential, commercial, and industrial buildings, ranging from single-family homes to large multi-floor corporate complexes. It is also suitable for outdoor applications such as parking lots and outdoor lighting. In addition, it can be used in hazardous environments, as it is UL 467 listed for Class I, Division 2, Groups A, B, C, and D. This breaker is approved by both UL and CSA, and meets the requirements of IEEE C37.2 standard.

Design Features

The LELB1-1-52-5.00-1-01-V is a high interruption breaker with a 2 pole, single phase design. It has an adjustable, independent trip current rating of 5.00 A, a long time delay of 110 msec, and an instantaneous trip rating of 10 In. This breaker features a self-aligned, patented latch and trip transfer system that eliminates misalignments and improves performance. This breaker is also designed with a deep wire pocket to minimize tripping due to insulation displacement, and has a temperature coefficient of 0.007°C/°F.

Working Principle

The LELB1-1-52-5.00-1-01-V breaker uses a thermal-magnetic trip unit to detect and interrupt circuit overloads. When an overload is detected, the trip unit sends an electric signal to the breaker, triggering an internal release mechanism which trips the breaker and interrupts the circuit. The thermal-magnetic trip unit is also designed to detect an arc fault when a hot conductor carrying an electrical current comes in contact with another conductor or a ground. When this occurs, the trip unit sends an electric signal to interrupt the circuit and prevent the arc fault. The thermal-magnetic trip unit operates within a set range of current and temperature, and can be adjusted if necessary.

Conclusion

The LELB1-1-52-5.00-1-01-V circuit breaker is a versatile and reliable breaker that can be used in a variety of residential, commercial, and industrial applications. It has an adjustable, independent trip rating of 5.00 A and a long time delay of 110 msec. The breaker is UL 467 listed for Class I, Division 2, Groups A, B, C, and D and meets the requirements of IEEE C37.2 standard. The integrated thermal-magnetic trip unit detects and interrupts circuit overloads and arc faults in order to protect people, property, and equipment from dangerous electrical faults.

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