219-3-6391-166

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Introduction

Circuit breakers are electrical devices that instantly disconnect the source of power when the electrical circuit is overloaded. They protect electrical components from the potentially dangerous effects of overloads and short circuits. Circuit breakers come in many sizes and types, designed for different applications. Model 219-3-6391-166 is a type of miniature circuit breaker that is suitable for a variety of applications and is used in many industries.

Application Field

The 219-3-6391-166 miniature circuit breaker is used in many different markets and application fields. This model is specifically designed for a range of applications, including residential, commercial and industrial metal-clad switchgear. It is used in many different power distribution systems, such as power plants, factories, and other large power distribution facilities. It can be used in various environments, including wet or humid conditions, and can withstand extreme temperatures. It also has a high resistance to corrosion and dust, making it suitable for outdoor applications. Additionally, the 219-3-6391-166 is UL-certified, meaning it meets or exceeds electrical safety standards.

Physical Characteristics

The 219-3-6391-166 is a miniature circuit breaker that measures 4.25 x 1.75 inches. It fits into a standard 3-phase NEMA-style switchgear and offers a robust current rating of up to 175 amp and a nominal voltage of 240 volts. It is easy to install and can be easily integrated into existing electrical systems. Additionally, the 219-3-6391-166 has a backup power supply capability, allowing for a continuous power supply even in the event of a power outage.

Working Principle

The 219-3-6391-166 miniature circuit breaker works by detecting current overloads or short circuits and then shutting the power off before damage can be done to the electrical system. When an overload is detected, the circuit breaker trips and the contacts open, cutting off the power. When the power is restored, the contacts close, and the breaker can be reset manually or automatically. The breaker has a built-in thermal-magnetic tripping mechanism which adjusts the trip point to the current passing through the circuit. This ensures that the power is cut off before any damage is caused and also allows for faster response times. Additionally, the 219-3-6391-166 offers thermal-magnetic protection against overloads and short circuits. Lastly, the 219-3-6391-166 is approved for use in the USA, Canada and European Union.

Conclusion

The 219-3-6391-166 miniature circuit breaker is an ideal choice for many different applications. It is UL-certified, has a broad current rating, and offers thermal-magnetic protection. It is designed to fit in standard 3-phase NEMA-style switchgear and is quite easy to install. Additionally, the breaker is capable of automatically resetting itself and can withstand humid and extreme temperatures. Overall, the 219-3-6391-166 miniature circuit breaker offers a reliable and efficient solution for keeping electrical systems safe and protected.

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