UPG4-9521-1 Circuit Protection

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Circuit Breakers are widely used in the electrical power industry to protect both people and equipment. The UPG4-9521-1 is a popular circuit breaker that is primarily designed to prevent circuit overloads that can lead to equipment damage and injury. It offers a variety of features and benefits, all of which are designed to improve safety and reliability.

The UPG4-9521-1 is a single-pole circuit breaker with 20-amp rating. It is UL1077 listed, meaning it has been tested and approved for safety and accuracy by the Underwriters Laboratories. It is also CSA approved, meaning it meets the strict requirements of the Canadian Standards Association. This breaker is notable for its ease of use and cost-efficiency, as well as its smaller size and weight compared to similar-sized breakers.

The primary application of the UPG4-9521-1 circuit breaker is in low-voltage power distribution systems, such as in residential and commercial buildings. These systems typically operate at 120 VAC or 120/240 VAC, and the breaker is rated to handle up to a maximum of 6000 ampere-hours. It is also suitable for use in junction boxes and other electrical equipment, where it provides circuit protection and overload protection.

When connected to a power source, the UPG4-9521-1 circuit breaker works by monitoring the current flowing through the circuit. When the current exceeds the breaker\'s rated capacity, it trips the circuit and stops the current flow. This prevents the circuit from becoming overloaded and exposing connected equipment and people to dangerous levels of voltage and current. The amount of current needed to trigger the breaker is adjustable, so it can be tailored to meet specific applications.

The UPG4-9521-1 circuit breaker also comes with many features and options to increase functionality and safety. Its adjustable trip current settings allow it to be used in a variety of applications, while its thermal/magnetic trip function increases protection against overloads by quickly and accurately detecting excessive current flow. Additionally, its ground fault interrupt (GFI) feature provides added protection against shock hazards, while its replaceable contacts reduce maintenance costs and extend the life of the breaker.

The UPG4-9521-1 is a versatile, reliable, and affordable circuit breaker that provides reliable protection for both people and equipment. It is well-suited for a variety of applications in the electrical power industry, making it a great addition to any power distribution system. Its adjustable trip and GFI settings can be customized to meet specific needs, while its easy install and low profile design make it an attractive option.

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