UPG2-8551-4 Circuit Protection

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Circuit Breakers are important components in the field of power system engineering. In electrical systems, the main purpose of a circuit breaker is to disconnect defective circuits and protect the rest of the system from faults or overloading. UPG2-8551-4 is a type of circuit breaker, and this article will discuss its application field and working principle in detail.

The UPG2-8551-4 is a miniature circuit breaker made by Union Pacific. It is designed to perform safety protection in circuits exposed to surges, overloads, and short circuits. It is UL listed and complies with IEC60947-2 standards, making it suitable for use in industrial and commercial applications. It is also rated for an impressive 10,000 continuous amperes, meaning it can handle heavy load currents with ease. Additionally, the UPG2-8551-4 is very easy to install and requires minimal maintenance, making it suitable for use in areas with limited maintenance staff.

The working principle of the UPG2-8551-4 is based on the thermal-magnetic protection principle. The thermal-magnetic protection unit is composed of an over-temperature detection device and a magnetic switch. The over-temperature detection device works by detecting an over-temperature situation in the circuit and detects the high current caused by overloading or short circuit in the circuit. When the detection device has detected a high current, it will send a signal to the magnetic switch, which will then open the circuit and disconnect it, thus protecting the circuit from further damage.

The UPG2-8551-4 is an ideal solution for light-duty applications, as it can protect sensitive electrical systems from overloads and short circuits. It is also popular in the industrial sector, as its high rating and strong construction make it suitable for use in environments which may experience high currents and frequent surges. Furthermore, the UPG2-8551-4 is ideal for applications with limited personnel, as it requires very little maintenance and installation is a breeze.

In conclusion, the UPG2-8551-4 is a miniature circuit breaker designed to provide protection against overloads, short circuits, and surges. It is UL listed and compliant with IEC60947-2 standards, making it suitable for use in industrial and commercial applications. It is also very easy to install and requires minimal maintenance, making it suitable for areas with limited personnel. The UPG2-8551-4 operates based on the thermal-magnetic protection principle, and is ideal for light-duty applications and industrial applications with frequent surges.

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