LELHPB11-1REC4R-38182-125-V

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Introduction to LELHPB11-1REC4R-38182-125-V Circuit Breakers

Circuit breakers are essential devices in any power system. Typically, they are used to protect wiring and devices against overload, short circuit, and ground faults. The LELHPB11-1REC4R-38182-125-V circuit breaker is a type of breaker designed for use in industrial, commercial and residential applications. It is a medium voltage breaker with a rated impulse withstand voltage of 18kV (with a 50kV system being the highest). This article will discuss the application field and working principle of this particular circuit breaker.

Application Field

LELHPB11-1REC4R-38182-125-V circuit breakers can be used in a variety of applications in residential, industrial and commercial electrical systems. It is suitable for use in systems up to 18kV, bringing the power needed for powering motors and various industrial equipment. It can also be used in single-phase and three-phase applications. Furthermore, this breaker is UL-certified and offers excellent short circuit ratings, making it suitable for all sorts of conditions where a reliable and safe breaker is necessary.

Working Principle

The working principle of the LELHPB11-1REC4R-38182-125-V circuit breaker is based on an electromagnetic clutch. This is part of the breaker’s trip mechanism, which also includes a hydraulic, vibrating reed, and other components. When an overload or short circuit occurs, the trip mechanism is activated and the electric current is interrupted. The electromagnetic clutch, which is connected to the mechanism, causes the trip lever to open and the breaker to trip, thus protecting the wiring system from the overload or short circuit.

The trip mechanism also includes other components, such as a pressure switch, thermal protector, and a trip indicator. The pressure switch is responsible for changing from one level of pressure to another, which indicates whether the system is overloaded or not. The thermal protector is a heating element that cuts off the current if it senses that the current has risen beyond a set level. Lastly, the trip indicator shows when the circuit breaker has tripped, so that it can be reset when the hazard causing the overload or short circuit is eliminated.

Conclusion

The LELHPB11-1REC4R-38182-125-V circuit breaker is a robust and reliable breaker suitable for use in residential, industrial and commercial power distribution systems. Its rated impulse withstand voltage of 18kV makes it suitable for medium voltage applications up to 18kV, and it offers excellent short circuit and overload protection thanks to its trip mechanism. This mechanism is based on an electromagnetic clutch, which is connected to other components such as a pressure switch, thermal protector and a trip indicator. Together, these components act to protect the system from overloads and short circuits.

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