IULK2-27811-1

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Circuit breakers form an integral part of the electricity infrastructure around the world, and the IULK2-27811-1 is one of the most popular and reliable models of circuit breakers available. It is widely used both domestically and commercially, and is one of the most trusted circuit breakers in the industry. In this article, we will discuss the application field and working principle of the IULK2-27811-1.

Application Field

The IULK2-27811-1 is a miniature circuit breaker designed for use in single phase and three-phase AC systems for protection against overload and short circuit. It is suitable for use in residential, commercial and industrial locations, particularly in circuit breaker boxes, circuit distribution boards and control panels. The breaker is ideal for high-load circuits, special fire alarm systems and general household safety as well as low-load circuits and electric equipment requiring low or medium current protection.

The circuit breaker is designed to meet applicable safety requirements, making it a safe and reliable choice for a variety of applications. It has adjustable overload protection settings, a foolproof mechanical locking system and a wide range of fault protection functions. The breaker has an operating temperature range of between -40°C and 80°C and is available in a variety of voltage ratings, from 6A-125A.

Working Principle

The IULK2-27811-1 circuit breaker operates on the principle of thermal-magnetic protection. When the current passing through it exceeds the designated value, the thermal-magnetic device within it triggers the release of an electric trip switch, disconnecting the circuit. Once triggered, the circuit breaker will stay disconnected until the reset button is pressed.

The thermal-magnetic device is made up of two components- a bimetallic strip and a magnetic spring. The bimetallic strip works by expanding or contracting when there is an increase or decrease in the temperature of the current carrying conductor. This expansion or contraction causes the strip to move the magnetic spring, which generates a short-circuit current, tripping the electric trip switch and disconnecting the circuit.

The circuit breaker also features an adjustable overload protection setting. This function is enabled by the thermal-magnetic device and allows the user to set the overload protection according to the electrical requirements of the application. Once the overload protection setting is exceeded, the thermal-magnetic device will trigger the trip switch.

Conclusion

The IULK2-27811-1 is an exceptionally reliable and versatile circuit breaker, designed to provide overload and short circuit protection for a wide range of applications. It is equipped with adjustable overload protection settings, a foolproof mechanical locking system and a wide range of fault protection functions. Its thermal-magnetic protection device will safely protect the circuit while its adjustable settings ensure that power is not cut off prematurely or excessively.

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