UPL115-1RE-6129-3 Circuit Protection

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Circuit breakers play an integral part in power distribution and management. They are used to protect circuits from overload or short circuit, and to ensure safety, reliability and availability of power systems. The UPL115-1RE-6129-3 is one of the more popular circuit breakers, used for powering machines. It is a three-pole molded case circuit breaker of the V-frame type. It is also an air circuit breaker, meaning it uses air as an insulator between the poles and live parts of the breaker.

Application Field

The UPL115-1RE-6129-3 circuit breaker is to be used in medium-voltage three-phase power distribution systems. This type of breaker is usually used in such industries as production plants, electrical utilities, power generators, and other industrial applications. It can also be used in low voltage applications. It is mainly used for powering machines, such as pumps, motors, generators, and other equipment.

It can be used for applications where the rated current is up to 220A and the rated voltage is up to 690V AC or DC. The UPL115-1RE-6129-3 can also be used as a manual being operated or as an automatic by means of an external control system. Its external features include an alarm contact, a trip contact, and a test position.

Working Principle

The working principle of the UPL115-1RE-6129-3 circuit breaker is quite simple. When electricity passes through the wires leading to the power source, it creates a magnetic field. This field causes a certain amount of current to flow through the breaker. When the current overloads the breaker, the magnetic field collapses, triggering the trip mechanism. This times releases a spring-loaded bar, cutting off the electrical power.

The UPL115-1RE-6129-3’s design integrates miscellaneous features that enhance its efficiency. First of all, its contacts open and close very rapidly, allowing for a rapid interruption of the power flowing through the circuit. Secondly, it has adjustable trip current settings, allowing it to safely handle different loads. Its circuit closing and trip times may also be adjusted, as needed.

In comparison to the traditional oil-filled circuit breakers, the UPL115-1RE-6129-3’s air-type design is significantly more reliable and efficient. It requires very little maintenance and provides a much higher level of safety. Its lightweight design also makes it easy to handle. All these features make the UPL115-1RE-6129-3 circuit breaker an ideal choice for a variety of power distribution applications.

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