APL112-7387-4

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Circuit breakers are essential components of electrical systems used to provide overload protection. They can be found in a variety of applications, from residential to industrial settings and are used to provide protection to people, equipment, and buildings from potential damage due to overcurrents. This article will focus on the APL112-7387-4 circuit breaker and discuss its application field and working principle.

The APL112-7387-4 circuit breaker is a medium-voltage (MV) circuit breaker manufactured by Eaton Corporation. It is designed for use in applications ranging from 11-14kV, with a short-time withstand up to 25kA. The APL112-7387-4 has a breaking capacity of 40kA and is characterized by its compact size and lightweight construction. This makes it an ideal choice for smaller applications where space is a premium. Additionally, the circuit breaker has an integrated gas riser, which expands the range of applications that can be safely serviced with its components.

The application field for the APL112-7387-4 circuit breaker is broad, and includes residential, commercial, and industrial settings. In particular, it is well-suited for medium- to high-voltage electrical systems where protection against short-circuits and overloads is essential. These systems can be found in power supplies, motor control centers, hospitals, and military installations. Additionally, it can be used as a service entrance device for multi-family dwellings and mobile homes.

The working principle of the APL112-7387-4 is the same as for other circuit breakers. The operation is based on the electrical characteristics of the circuit, such as voltage, current, short-circuit capacity, and overload capability. In operation, an electrical arc is generated between two electrodes inside the circuit breaker when an overload or short-circuit occurs. This causes the breaker to trip, stopping the flow of electrical current and preventing damage to the electrical system.

The APL112-7387-4 circuit breaker is a reliable, durable, and lightweight solution that can be used in a wide range of applications. It is easy to install and requires only minimal maintenance. Additionally, its integrated gas riser and compact design make it an ideal choice for applications where space and weight are a concern. It provides protection against both short-circuits and overloads, making it an essential component of any electrical system.

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