UPG2-4840-3 Circuit Protection

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Circuit Breakers

Circuit breakers are essential components of any electrical system. They help to protect the system against overloads, short circuits, and other potentially damaging electrical events. One of the most popular types of circuit breakers is the UPG2-4840-3, which provides reliable and efficient protection for medium voltage applications.

UPG2-4840-3 Application Field and Working Principle

The UPG2-4840-3 circuit breaker is designed for medium voltage applications up to 24 kV. It is widely used in industrial, commercial, and residential applications, and is especially well-suited for high reliability environments where reliable performance is a must. The breaker is rated for up to 6000A, with three poles and adjustable 0.2" - 3" contact gap.

The UPG2-4840-3 functioning principle is based on the available current rating of the breaker. When a circuit liner becomes overloaded or is shorted, there will be an increase in the current flow. The UPG2-4840-3 is designed with an internal sensing coil that detects the increased current. When the current exceeds the allowable rating of the breaker, it will automatically trip the breaker and interrupt the circuit.

The UPG2-4840-3 also provides effective short-circuit protection. It is equipped with an instantaneous release trip that provides instantaneous tripping to interrupt the circuit in the event of a short-circuit. This ensures that the breaker reacts quickly to prevent costly damage due to high fault currents.

In addition to providing overload and short-circuit protection, the UPG2-4840-3 also includes thermal protection. This ensures that the breaker does not overheat due to prolonged overload conditions. The breaker is also equipped with a thermal cut-off, which trips the breaker if a temperature above the rated temperature is detected. This protects the breaker from overheating due to prolonged overcurrent conditions.

The UPG2-4840-3 is a reliable and efficient breaker for medium voltage applications. It provides protection against overloads and short circuits, as well as thermal protection. The breaker\'s adjustable contact gap ensures that it meets the requirements of each application, providing reliable protection for any type of system.

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