8345-R000039-40A Circuit Protection

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Circuit breakers are devices that protect electrical circuits, by either selectively disconnecting the circuit or blocking the flow of electricity. The 8345-R000039-40A circuit breaker is a three-phase breaker that is designed for various industrial applications due to the superior performance and surge protection that it provides. It is rated at 480AC and rated up to 800 amps for single-pole applications, and up to 1600 amps for applications with two-pole breakers. It is also designed for applications that require an adjustable trip setting.

The design of the 8345-R000039-40A circuit breaker consists of a single-phase, three-phase, and breaker block assembly. The single-phase consists of an insulator, a switch, a breaker trip magnet, and a latch mechanism. The three-phase circuit breaker block is made of molded plastic and contains three breakers each. Each breaker in the breakers block assembly is connected to a dedicated bus bar. The bus bar assembly also contains an adjustable trip setting mechanism for adjusting the level of current that is allowed to flow through the breaker.

The working principle of the 8345-R000039-40A circuit breaker is fairly straightforward. When an overload or short circuit occurs, the single-phase breaker trips, which causes the current to be cut off in the circuit. When the current is completely cut off, the latch mechanism releases, which causes the breakers to completely open. The adjustable trip setting then regulates the amount of current that is allowed to flow through the circuit. When the current remains below the trip setting, the breaker remains open until the circuit is reset.

The 8345-R000039-40A circuit breaker is designed for electric motors and similar applications. It can provide maximum protection to both the electrical circuit and the connected equipment, making it suitable for a broad range of industrial applications. It is also used in large commercial and industrial buildings, where the electrical wiring requires the most protection from surges and short circuits. The 8345-R000039-40A circuit breaker is also suitable for distribution circuits and for load centers.

The 8345-R000039-40A circuit breaker is a reliable, high-quality breaker that is designed for a wide range of applications. It offers excellent protection against short-circuits and surges, while providing adjustable trip settings for customizing the level of current that is allowed to flow through the circuit. This circuit breaker is an ideal choice for any application that requires the highest levels of protection and reliable power.

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