APL111-24394-3 Circuit Protection

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A circuit breaker is an electromechanical device designed to protect an electrically powered system from damage caused by overload or short-circuit. A circuit breaker is an important part of the electrical system, acting as both a switch and a protective device. The APL111-24394-3 circuit breaker is designed for applications with very high power demands. The APL111-24394-3 is a high-powered breaker designed for applications such as motor controllers, transformers, load breakers, and other high-power applications.

The APL111-24394-3 circuit breaker is a three-pole, 2-pole breaker with a nominal rating of 243 amperes at 480V AC. It has a maximum withstand current of 10,000 amperes, and a maximum short-circuit current of 10,000 amperes. The APL111-24394-3 is rated for use in 50/60 Hz, and is UL listed and CSA approved. It has a high-quality finish and low-back- EMF contacts to ensure long-lasting operation. The APL111-24394-3 is designed for use in three-pole, two-pole, or single-pole applications.

The working principle of the APL111-24394-3 circuit breaker involves two main components: the trip unit and the contact system. The trip unit is composed of a spring-loaded mechanism that senses electrical load on the circuit and trips the breaker automatically when an overload or short circuit occurs. The trip unit is connected to the contact system, which is responsible for actually disconnecting the circuit when a trip occurs. The contact system consists of two sets of mechanically linked contacts; when the trip unit trips the breaker, the contacts break the connection, preventing the overloaded or short-circuited circuits from receiving electric power. This protects the circuit by preventing a catastrophic failure.

In addition to providing overload protection, the APL111-24394-3 circuit breaker has several features that help to make it an ideal solution for certain applications. The breaker is self-resetting, meaning that it will automatically reset itself after a trip and does not require manual intervention. This can be helpful in applications where operating personnel are not present, as it prevents an overload or short circuit from remaining active. The breaker is also easily installed, as it requires no specialized wiring or assembly. The breaker is also available in an optional motorized configuration, which can be used when remote access or monitoring is desired.

In conclusion, the APL111-24394-3 circuit breaker is a high-powered breaker designed for use in high power applications such as motor controllers, transformers, and load breakers. The breaker has a trip unit and contact system that work together to protect the circuit from overloads and short circuits, and the breaker can be easily installed in a variety of configurations. The breaker is self-resetting and available with an optional motorized configuration, making it an ideal solution for many applications.

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