239-1-2717-3

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Circuit breakers provide protection to electrical systems by disconnecting the load when an overload or short circuit is detected. In order to determine if the load needs to be disconnected, they monitor the current in the circuit and compare it to the predefined threshold by using either electromechanical devices or a thermal overload trip. When an electrical fault is detected, the system will trip the circuit breaker and disconnect the power.

The 239-1-2717-3 is a circuit breaker manufactured by EATON. It is used for protecting circuit lines in environments with explosive gas and dust atmospheres. It features UL508A, UL61439 and ANSI C37.20 certified components, making it an ideal choice for hazardous industrial applications. It is also a heavy duty, three-pole circuit breaker with a rated current of up to 4000A.

The working principle of the 239-1-2717-3 circuit breaker is based on its thermal overload trip. When the circuit is overloaded and the current exceeds the pre-set limit, a thermal overload trip will be triggered in order to shut down the circuit. This trip limits the further rise in the current and protects the system from further damage. The thermal overload trip also measures the temperature at which the current overload is occurring and adjusts the threshold accordingly. This thermal overheat protection helps ensure the safe operation of the circuit breaker.

In addition to its thermal overload trip, the 239-1-2717-3 circuit breaker also has several other features that make it a reliable choice for hazardous applications. These features include: a rated operational voltage up to 690V, a holding current up to 100A, a three-pole switching system, and a mechanical trip indicator. It also has a self-cleaning contact system that ensures the contacts are kept clean and free from dirt, allowing for better system performance.

The 239-1-2717-3 circuit breaker is an ideal choice for applications that need protection in hazardous environments and have a requirement for a current limit of up to 4000A. Its thermal overload trip also provides reliable protection and is adjustable, making it a safe and reliable choice for any application.

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