LELPK11-1-52-150.-01-V Circuit Protection

Series:	LEL
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	150A
Number of Poles:	2
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Introduction

Circuit breakers are essential components used in any electrical system. They protect the system from damage due to an overload or other fault. The most commonly used circuit breaker is the LELPK11-1-52-150.-01-V. This type of circuit breaker is capable of interruption large fault currents with high short-circuit current ratings and long-term interrupting endurance. In this article, the application field and working principle of the LELPK11-1-52-150.-01-V circuit breaker will be discussed.

Application Field

The LELPK11-1-52-150.-01-V circuit breaker is used in several different applications, such as distribution boards, switchgear, motor control centers, and emergency and auxiliary power systems. It is also widely used in industrial and commercial buildings, as well as domestic and light industrial applications. Its ratings range from up to 6,000 Amperes and 400 Volts. This makes it highly useful for medium voltage applications.

Working Principle

The LELPK11-1-52-150.-01-V circuit breaker operates in two stages. In the first stage, when a fault occurs, the circuit breaker detects an increase in current and initiates an instantaneous action to limit the fault current. This is achieved by opening the contact points, which in turn interrupts the flow of current. The second stage of the circuit breaker operation is the thermal protection stage. During this stage, the circuit breaker monitors the temperature of the current-carrying parts of the circuit. If the temperature reaches a pre-set level, then the circuit breaker trips and disconnects the circuit. This helps to protect the system from thermal damage due to prolonged fault conditions.

Conclusion

The LELPK11-1-52-150.-01-V circuit breaker is an essential component in any electrical system, and its wide range of ratings make it suitable for various types of applications. Its two-stage operation ensures quick and effective protection for the system against fault conditions, thereby limiting the chances of system damage.

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