UPG666-31120-330 Circuit Protection

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Circuit breakers provide a simple but crucial safety measure against runaway electrical current in various systems. UPG666-31120-330 circuit breakers offer unprecedented protection and control for commercial and industrial applications, while also extending the lifetime of the electrical equipment connected to it. This article will provide an overview of the UPG666-31120-330 circuit breaker\'s application field and working principle.

Application Field

UPG666-31120-330 circuit breakers are designed to provide reliable protection in industrial, commercial and residential low-voltage power systems. They are typically used in installations such as buildings and offices, but also in high-risk zones like airport runways, vehicle charging stations, hazardous areas, electric elevators, medical equipment, and lighting. UPG666-31120-330 circuit breakers can be used either as a main device for the entire system or as auxiliary devices for device-level protection.

Working Principle

UPG666-31120-330 circuit breakers use a type of shunt trip mechanism to detect abnormal current levels in the system and to cut the power as soon as they occur. This type of shunt trip mechanism employs a thermal magnetic relay to monitor the line current. The magnetic relay will sense an abnormal current level as it travels through its coil and initiate a trip, instantly shutting off the power. The thermal component of the relay allows it to respond to sudden current spikes that the magnetic component may be unable to detect.

UPG666-31120-330 circuit breakers have several built-in features to aid in reliable protection. An adjustable current setting allows the user to adapt the circuit breaker\'s response to the prevailing current condition. This allows for further customization, as certain loads can require higher or lower trip thresholds. The terminal block is integrated with the circuit breaker itself, allowing for easy installation and maintenance. Lastly, these circuit breakers have a reset button which allows the user to reset the circuit in the event of a false trip.

Conclusion

UPG666-31120-330 circuit breakers are designed to provide comprehensive protection and reliable performance in industrial, commercial and residential applications. Their shunt-trip mechanism combines both thermal and magnetic sensing elements to detect abnormal current levels and cut off the power in time. Furthermore, UPG666-31120-330 circuit breakers have several built-in features like adjustable current setting and a reset button, which allow for user customization and easy maintenance. This makes them ideal for facilities of all sizes, providing a much-needed safety measure against runaway current.

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