219-3-2877-12

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Circuit breakers are devices that are used to regulate overcurrents in electrical circuits. They play an important role in protecting persons and preventing equipment damage during overload or short circuit faults. The 219-3-2877-12 circuit breaker is a specific type of breaker with an application range of 15-117A and an overload current range of 15-90A. It is designed for use in residential or commercial buildings with applications such as air conditioning, freezer, pump, etc.

The 219-3-2877-12 circuit breaker is composed of multiple components that work together to provide overload protection. The main components include the trip unit, frame, insulation, terminal and casing. The trip unit contains a bimetallic element that responds to the heat generated by an increase in electrical current. When the current exceeds a predetermined level, the bimetallic element bends and opens the contacts of the breaker, interrupting the electrical current and protecting the circuit from overload.

The 219-3-2877-12 also features adjustable overload release. This feature allows the user to adjust the sensitivity of the trip element to suit the specific requirements of the load, reducing the risk of false tripping and reducing nuisance tripping. The adjustable overload release also allows the user to set the trip current closer to the actual full-load current rating of the equipment.

The 219-3-2877-12 circuit breaker is suitable for use in both AC and DC circuits. All components of the breaker are designed to be resistant to voltage and temperature fluctuations that can cause arcing and provide maximum safety. The terminal design ensures secure and reliable connections and the enclosure is designed to provide protection against dust and humidity in order ensure the durability and performance of the breaker.

In conclusion, the 219-3-2877-12 circuit breaker is a multi-purpose, reliable and safe breaker for residential or commercial applications. It features an adjustable overload release setting allowing the user to customize the sensitivity of the trip element to suit the specific requirements of the load, and a durable enclosure designed to provide protection against dust and moisture. This breaker is suitable for AC and DC circuits with applications in air conditioning, freezer, and pump, among others.

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