UPG6-35379-3 Circuit Protection

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Circuit Breakers are an essential part of any electrical system, providing a safe and reliable means to prevent dangerous overloads and short circuits from occurring. UPG6-35379-3 are a type of circuit breaker commonly used in industrial applications and for high current loads. This article will explain the application field and working principle of the UPG6-35379-3.

The UPG6-35379-3 is a thermal-magnetic circuit breaker with thermal and electromagnetic stored energy operating mechanisms. It comprises a contact unit consisting of two contacts, and an actuating mechanism which is an assembly of parts such as a separator plate, an ejector plate, a trip bar and a pair of current transformers. The contacts form an interrupter in which a quenching arc is formed when the current is interrupted, and the magnetic core of the breaker provides a path for the current during tripping.

The UPG6-35379-3 is used in industrial applications requiring high currents, such as motor start and stop, transformer and generator protection, capacitor banks, and protection from short circuits and overloads. The device is also used as a ground fault-detector switch, used to protect equipment in case of a ground fault. The UPG6-35379-3 can also be used as a standard switching device, as the contact unit is rated up to 125A/600V.

The UPG6-35379-3 operates on a thermal-magnetic principle. This means that it is a combination of both thermal and electromagnetic stored energy operating mechanisms. The thermal mechanism is controlled by a bimetallic strip, which is heated when there is a current. The bimetallic strip will bend when heated, and this will trigger the tripping of the circuit breaker. The electromagnetic stored energy is generated by the current flowing through the contacts, and this energy is stored in the magnetic core of the breaker. When the current exceeds the threshold, the stored energy is released and this causes the circuit breaker to trip.

The UPG6-35379-3 is a versatile and reliable circuit breaker. It is designed to provide safe and reliable protection against overloads, short circuits, and ground faults. The device is easy to install and maintain, and it is available in various amperage ratings, from 15A to 125A. The UPG6-35379-3 is suitable for use in a variety of industrial applications, and it is suitable for both domestic and commercial applications.

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