LMLBXPK11-71289-150

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Circuit breakers are essential electrical components that are used in a variety of applications, ranging from residential and commercial to industrial. The LMLBXPK11-71289-150 is a specific type of circuit breaker that has a unique set of characteristics and capabilities. In this article, we\'ll discuss the application field and working principle for this particular type of circuit breaker.

Application Field

The LMLBXPK11-71289-150 is a low voltage, UL Listed and CSA Certified circuit breaker. This type of circuit breaker is well suited for applications requiring power interruption in a limited variety of electrical devices. As such, it is commonly used in both residential and commercial settings to interrupt power in relatively low current systems. It is also popular in low power industrial applications that require overload protection and short circuit protection.

The LMLBXPK11-71289-150 is designed to operate with a range of electrical supplies, including single-phase AC, two phase AC, and DC voltages. The unit\'s standard form factor allows for simple installation in any circuit, allowing you to replace or upgrade an existing circuit breaker in a matter of minutes.

Working Principle

The LMLBXPK11-71289-150 circuit breaker is comprised of two components: the trip mechanism and the contactor. The trip mechanism is responsible for detecting excess current and then activating the contactor which physically interrupts the current flow in the circuit. To operate correctly, the trip mechanism is designed to trip at a predetermined current, known as the break current. The magnitude of the break current depends on the type of circuit breaker being used.

The trip mechanism of the LMLBXPK11-71289-150 uses a bimetallic strip to detect changes in current. Once the current exceeds the predetermined trip point, the strip bends and triggers the contactor, cutting off the power supply. Additionally, the circuit breaker also has an overvoltage protection system to guard against high voltage surges, as well as an undervoltage protection feature to protect against low voltage scenarios.

Unlike thermal or magnetic circuit breakers, the LMLBXPK11-71289-150 does not require additional cooling elements or components in order to function properly. This makes the unit much more energy efficient than other types of breakers, ensuring a lower cost of operation over the life of the product.

Conclusion

The LMLBXPK11-71289-150 is a low voltage, UL Listed and CSA Certified circuit breaker that is well suited for applications requiring power interruption in low current systems. The unit functions by utilizing a bimetallic strip trip mechanism to detect changes in current, activating the contactor when the current exceeds the predetermined break point. Additionally, the circuit breaker also features an overvoltage and undervoltage protection system. Its standard form factor allows for easy installation, and its lack of cooling elements ensures a lower cost of operation over the life of the product.

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