APGF6-30479-50

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Introduction[i]

The APGF6-30479-50 is a type of circuit breaker commonly used in modern electrical systems. It is designed to trip under overload and short circuit conditions and provide protection to the electrical system and its components. It is also commonly used as a control device to switch on and off electrical equipment and systems. In order to ensure the safe operation of the electrical system, it is important to understand the application field and working principle of the APGF6-30479-50 circuit breaker.

Application Field

The APGF6-30479-50 is typically used in residential, light commercial and light industrial applications. It is well-suited for use in systems with up to 480 volts and three-phase power. It is frequently used as a load center main breaker and to provide protection for ancillary equipment such as HVAC units, water heaters, and electric dryers. The combination of its small size, low cost, and reliability make it an ideal choice for these types of applications.

Working Principle

The APGF6-30479-50 circuit breaker is designed to protect electrical systems from overload and short circuits. This is done through a set of bimetallic strips that sense current and temperature and act as the breaker’s thermal-magnetic trip unit. These strips are made of two dissimilar metals which expand or contract at different rates when heated, creating a reaction that moves a trip lever. This trip lever is connected to a set of contacts that open when the trip lever is actuated. The opening of the contacts breaks the electrical connection and instantaneously stops the flow of electricity, protecting the circuit.

In addition to its trip function, the APGF6-30479-50 circuit breaker can also be used to control the on/off states of electrical circuits. This is done through a manual trip lever located on the front of the unit. By moving this lever, the user can turn the circuit off and on without having to reset the breaker.

Conclusion

The APGF6-30479-50 circuit breaker is a versatile and reliable piece of equipment that is commonly used in a variety of residential and light commercial applications. It is designed to provide safety and protection by tripping under overload and short circuit conditions. It is also useful as a control device, as the user can manually turn the circuit off and on without having to reset the breaker. Understanding the application field and working principle of the APGF6-30479-50 circuit breaker is critical for ensuring the safe and reliable operation of an electrical system.

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