209-2-34126-15 Circuit Protection

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Circuit Breakers

Circuit breakers are essential components of any electrical system. They protect both the system itself and those using it from electrical overloads and short circuits. In addition, circuit breakers also help to ensure that system operations are as reliable as possible. One such circuit breaker is the 209-2-34126-15. In this article we will discuss its application field and working principle.

Application Field

The 209-2-34126-15 circuit breaker is designed for use in applications where the line voltage is up to 275 volts and the frequency is up to 60 Hertz. It is suitable for both residential and commercial applications, and is designed for use with NM and NMC cable. The circuit breaker is designed for use in single and three-phase installation, up to 240/277/480VAC. It is also UL listed and is rated for up to 80A characteristics at 120/240V.

Working Principle

The working principle of a circuit breaker is relatively straightforward. Essentially, when a circuit is overloaded, or when too much current is drawn from it, the circuit breaker trips, cutting off power to the circuit. This prevents damage to the circuit from occurring. The 209-2-34126-15 circuit breaker has a “quick-trip” feature, which means that it can trip in milliseconds, allowing it to protect the load from damage quickly.

The 209-2-34126-15 circuit breaker has three basic components: the trip unit, the overload relay, and the contacts. The trip unit monitors the current level in the circuit, and when it reaches a certain threshold, the overload relay trips, which causes the contacts to open, thus cutting off power to the load. The trip unit also has a “long-delay” feature which allows the overload relay to trip only after the current level has exceeded the threshold for a certain amount of time.

The 209-2-34126-15 circuit breaker also has an adjustable trip setting, which allows the user to adjust the threshold at which the overload relay trips. This is an important feature, as it allows the user to tailor the circuit breaker to the needs of the application. For example, if the application requires higher current levels, the user can adjust the trip setting to allow more current to pass before the circuit breaker trips.

Conclusion

The 209-2-34126-15 circuit breaker is an excellent choice for many residential and commercial applications. Its wide voltage range and adjustable trip setting make it extremely versatile, and its quick-trip feature ensures that it can protect the load from short circuits and overloads quickly. With its UL listing and high current ratings, the 209-2-34126-15 circuit breaker is an excellent choice for any electrical system.

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