UPL1-4109-1 Circuit Protection

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In the electrical power delivery system, circuit breakers play an important role. They provide protection from electric shocks, electric fires, and other dangers that can be caused by overloading of circuits. UPL1-4109-1 is an example of a commercial circuit breaker. This article will explain the application field and working principle of UPL1-4109-1.

UPL1-4109-1 is a trip-free, non-current limiting circuit breaker. It is a single pole, thermal-magnetic branch breaker that is rated up to 15A, and it is UL Classified as a type EDB branch breaker. It is designed for both residential and commercial applications, and it can be used in power distribution panels, junction boxes, and other electric equipment. It is suitable for use in circuits that require high-containment tripping and unswitched neutral so that current carrying neutrals are unswitched for the full rated current. It meets UL 489, UL 1077, and NEC requirements for branch circuit overcurrent protection.

The working principle of UPL1-4109-1 is simple and straightforward. It contains two independent tripping mechanisms: a thermal element and a magnetic element. The thermal element senses high temperature increases in the circuit and trips the circuit breaker when the temperature exceeds the predetermined operating temperature. The magnetic element senses increases in current and trips the circuit breaker when the current exceeds the predetermined operating current. Both of these elements work independently and in conjunction with one another. When either element senses an increase in current or temperature, the breaker trips. When either or both elements receive a signal from the breaker, the breaker trips.

UPL1-4109-1 circuit breakers offer several advantages over other breakers. They are more reliable and provide better protection against fault currents than other breakers. They also offer the ability to switch between manual and automatic operation depending on the application. Additionally, they have a service life of up to 80,000 operations, enabling them to work longer compared to other breakers. This makes them a great choice for a variety of electrical applications.

In conclusion, UPL1-4109-1 is a single pole, thermal-magnetic branch breaker that is designed for both residential and commercial applications. It is trip-free and non-current limiting, and is rated up to 15A and UL Classified as a type EDB branch breaker. Its working principle includes two independent tripping mechanisms. In addition, UPL1-4109-1 offers several advantages including reliability, better protection against fault currents, and high service life.

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