2800872

Circuit breakers are devices commonly used to control or protect power systems. Their primary purpose is to prevent the flow of large amounts of current in a system, thus preventing overheating and potential fire dangers. The 2800872 circuit breaker is a cost-effective solution to this challenge as it offers various advantages over traditional systems. This article will discuss the application field and working principle of the 2800872 circuit breaker.

Application Field of the 2800872 Circuit Breaker

The 2800872 circuit breaker is a 3-pole, 300 A device for use in low- and medium-voltage systems. It is suitable for residential, commercial, agricultural, and industrial applications. It is also ideal for use in wet, outdoor locations, as it is resistant to moisture and dust. Additionally, the 2800872 circuit breaker is also capable of being used in both AC and DC systems.

The 2800872 circuit breaker is particularly useful in applications of high current levels. Because of its integral design, it is capable of withstanding up to 3,000 A of current before the circuit opens and prevents thermal damage. Moreover, the device is designed with a variable-span vacuum interrupter, allowing it to break higher currents while still de-energizing quickly. This feature adds additional levels of protection to the system.

Working Principle of the 2800872 Circuit Breaker

The 2800872 circuit breaker operates in two phases. In the first phase, the device senses the current flowing through it and trips if the current exceeds the designated threshold. This is done by a temperature-sensitive device called a bimetallic strip. The strip contains two dissimilar metals and bends when subjected to heated currents. When the strip bends, it causes an external plunger to also bend, which in turn causes the circuit breaker to trip.

In the second phase, the 2800872 circuit breaker trips and remains tripped until reset. This process occurs directly after the current exceeds the preset threshold. During this time, the internal contacts of the circuit breaker remain open, blocking the flow of power and protecting the system. To reset the device, a button must be depressed on the exterior of the circuit breaker.

Conclusion

The 2800872 circuit breaker is an effective device for controlling and protecting power systems. It is suitable for use in a variety of applications, making it a great choice for residential, commercial, agricultural, and industrial locations. Furthermore, its integral design is capable of withstanding up to 3,000 A of current before the circuit opens. Finally, the circuit breaker also has a variable-span vacuum interrupter which allows it to break higher currents while still de-energizing quickly. For these reasons, the 2800872 circuit breaker is an ideal solution for safeguarding a system against surges and other power-related disasters.