219-3-4788-8

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Circuit breakers are an essential component to consider when specifying electrical equipment, and the number designation of a circuit breaker is one method of helping to identify the style, amperage rating, and other features needed for the breaker to properly perform. In this article, we will discuss the application field and working principle of the 219-3-4788-8 breaker.

Application Field

The 219-3-4788-8 breaker is an industrial-grade breaker designed specifically for industrial settings. The breaker has a switch rating of 800 amps and is UL and CSA approved. It is suitable for both AC and DC applications, making it extremely versatile. This breaker is best used for larger industrial applications, such as electric motors, wind turbines, and process control systems.

Working Principle

In order to properly function as a breaker, the 219-3-4788-8 must be connected to a circuit breaker panel. The main function of the breaker is to protect circuits from becoming overloaded. This is accomplished by tripping the breaker when there is an electrical short or overload on the circuit. The breaker will then open the circuit, protecting the equipment from any further damage.

The breaker utilizes a series of switches that are designed to sense changes in current flow. When the current exceeds the amperage rating of the breaker, these switches will open the circuit, de-energizing the equipment and thus preventing any damage.

The breaker also utilizes bimetallic strips to aid in tripping the breaker. The bimetallic strips expand when they are heated, causing the breaker to trip and disconnect the circuit from any further electricity. This helps ensure that the equipment is safely disconnected from electrical power.

Conclusion

The 219-3-4788-8 breaker is an industrial-grade breaker designed for larger industrial applications. It has a switch rating of 800 amps and is UL and CSA approved. The breaker uses a series of switches and bimetallic strips to sense changes in current flow and to trip the breaker when the circuit reaches an overload or short. This helps protect equipment from damage due to an electrical fault or other electrical irregularities.

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