UPGN11-22538-1 Circuit Protection

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Circuit breakers are essential devices when it comes to electrical safety in commercial and residential applications. The UPGN11-22538-1 is a type of circuit breaker manufactured by the Schneider Electric company. It is a miniature circuit breaker that is compliant with IEC, EN, and UL certifications and is suitable for a range of applications involving low-voltage power distribution. Let’s take a look at the application field and working principle of the UPGN11-22538-1.

Application Field

The UPGN11-22538-1 is designed for the protection of electric circuits against short-circuit, overcurrent, and overload conditions. It is suitable for the protection of electric motors, lighting systems, air conditioning units, heating systems, and other applications involving low-voltage power distribution. The circuit breaker has a wide range of possible current ratings, from 6A up to 125A, and it is designed for applications operating at 230V.

The circuit breaker is equipped with a tripping mechanism. This mechanism ensures that the device is able to trip its contacts and interrupt the electric circuit if an overcurrent or a short circuit occurs. It is also able to trip its contacts automatically if a thermal overload occurs and the current reaches a certain level. This makes the UPGN11-22538-1 suitable for applications where high levels of safety are required.

Working Principle

The UPGN11-22538-1 circuit breaker is a type of thermal-magnetic circuit breaker. This means that it combines a thermal tripping mechanism with a magnetic trip unit. The thermal tripping mechanism responds to increases in temperature in the circuit breaker, while the magnetic trip unit responds to increases in current. Both of these components work together to ensure that the circuit breaker is able to trip its contacts when an overcurrent or a short circuit occurs.The thermal tripping mechanism works when an overcurrent or short circuit occurs. When the current exceeds the rated threshold of the device, it causes an increase in temperature. This in turn triggers the thermal tripping mechanism, which trips the contacts of the circuit breaker.The magnetic trip unit works in a similar way. When the current exceeds the rated threshold of the device, it causes a magnetic field to be generated. This magnetic field interacts with a sensitive spring, which then triggers the trip unit, causing the contacts of the circuit breaker to trip.

The UPGN11-22538-1 circuit breaker can also be used in combination with a shunt trip unit. A shunt trip unit is an additional component that is used to provide remote tripping. This means that the circuit breaker can be tripped from a distance, which is useful for applications where the circuit breaker might be located in an inaccessible location.

Overall, the UPGN11-22538-1 circuit breaker is an effective and reliable device for protecting electric circuits against overcurrents, short-circuits, and overloads. It is suitable for a range of applications, including electric motors, lighting systems, air conditioning units, and heating systems, and it is certified to IEC, EN, and UL standards.

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