IEGZX2-29766-4

Circuit Breakers: IEGZX2-29766-4 Application Field and Working Principle

Circuit breakers play a key role in the power grid system by providing a safety switch in the event of an overload or short circuit. They are used in a range of applications, from high-voltage transmission systems to low-voltage domestic installations. IEGZX2-29766-4 is a 3-pole AC mini-circuit breaker designed for residential or commercial application and is used for protecting against overload currents and short circuits.

The IEGZX2-29766-4 is designed with a trip-free mechanism in order to ensure that the switch is never "tripped" by accidental pressure. It also features a selector switch for setting the tripping current, a differential switch for detecting arc flashes, and an electromechanical over-current protection device (EOCP). This circuit breaker has a rated current of up to 320A and a rated voltage of up to 600V.

The working principle of the IEGZX2-29766-4 is based on the Joule-Thomson Effect. This effect states that when a current passes through a conductor, the conductor heats up due to the thermal energy created. This temperature then causes a bimetallic strip to expand, which causes the circuit breaker contacts to open and break the connection. The opening of the contacts interrupts the current, turning off the circuit.

The IEGZX2-29766-4 also has an overcurrent protection device (OCPD) built into the breakers. The OCPD is a safety device that in the event of an overloaded current, will detect it and quickly trip the breaker. The benefit of this device is that it can prevent a surge or fire from occurring due to an overload.

Applications for the IEGZX2-29766-4 include single or multi-phase lighting circuits, air conditioning and heating systems, refrigerators, ovens and other types of home appliances. In addition, the breaker is compliant with the relevant safety standards and can be used in a range of industrial, commercial and residential applications.

The IEGZX2-29766-4 mini-circuit breaker is a reliable and cost-effective breaker optimized for residential or commercial applications alike. Its trip-free mechanism provides a reliable switch, while its OCPD ensures short circuit and overload safety. Its small size and ability to be used in a wide range of applications makes it a versatile and cost-effective option for a wide range of applications.