3000760

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Introduction to Circuit Breakers

A circuit breaker is a device that is used to break or interrupt an electric circuit in order to prevent overloading or short circuiting. It is a protective mechanism that protects electrical appliances from possible damage due to excessive current, usually caused by a short circuit or overload. There are several types of circuit breakers, and each one has various features and applications.

Types of Circuit Breakers

Circuit breakers can be categorized based on their physical design, power ratings, operating time, and other characteristics. The most common type of circuit breaker is a molded-case circuit breaker, which is the one most frequently used in household and commercial settings. Other types of circuit breakers include miniature circuit breakers, air circuit breakers, arc-fault circuit interrupters, and high voltage circuit breakers.

3000760 Application Field and Working Principle

The 3000760 molded-case circuit breaker is designed for residential, commercial, and industrial applications. It is designed to protect against fault currents ranging from 100 to 6,000 amperes. According to the ABB website, this breaker trips “promptly and reliably” when a short circuit occurs. The breaker is most commonly used with residential homes, office buildings, and some industrial buildings.

The 3000760 circuit breaker has a unique design that uses an internal trip bar stored in the case. When a fault current is detected, the trip bar is released and pushes against a set of contacts to open the breaker. The contacts are immediately released and the breaker is reset once the short circuit is eliminated.

Conclusion

The 3000760 molded-case circuit breaker is a reliable and effective device used to protect many residential and commercial properties from shorts and overloads. The breaker’s internal trip bar is designed to quickly identify faults and disconnect power to prevent further damage. If you are in need of a circuit breaker for your home or office, the 3000760 may be the perfect solution.

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