UPG400-1REC4-31604-1 Circuit Protection

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Circuit breakers are essential elements for electrical protection. They are used both to shut down a circuit when a fault occurs and to switch it on again afterwards. UPG400-1REC4-31604-1 is a type of circuit breaker specifically designed for applications requiring high-performance power protection. This article will look at its application field and working principle.

UPG400-1REC4-31604-1 is a vacuum circuit breaker that is mainly used to control power on high voltage lines. It is a three-phase, four-pole circuit breaker. It is specially designed for reliable protection and switching of power networks, and it is suitable for metering and feeder applications and power distribution systems in industrial, commercial, and utility markets. Its high-performance power protection makes it ideal for applications that need reliability. Moreover, it also has a wide range of operating temperature, low operating current, and good dynamic stability.

The working principle of the UPG400-1REC4-31604-1 is based on the vacuum interrupter and its related operating mechanism. The vacuum interrupter is composed of an enclosure containing two electrodes insulated from each other and filled with a high vacuum. When proper voltage is applied across the two electrodes, a vacuum arc is established between them and current is conducted. The insulation between the electrodes, as well as the vacuum, ensures that the UPG400-1REC4-31604-1 can operate reliably under extreme conditions and with minimal contact erosion.

When a fault occurs, the UPG400-1REC4-31604-1 will shut down the circuit by using the operating mechanism. The operating mechanism is composed of the contacts, operating rod, trip unit, motor, springs, and pins. The contacts open when an overcurrent faults is detected. The operating rod is connected to the contacts and is driven by the motor to open and close the contacts. The trip unit senses the fault and triggers the motor to open the contacts.

The UPG400-1REC4-31604-1 is an advanced and reliable circuit breaker that can be used in a variety of applications. Its high performance protection ensures reliable operation in extreme conditions and its operating mechanism allows for quick and reliable shut down of the circuit when a fault is detected. With its wide temperature range, low operating current, and good dynamic stability, this circuit breaker is a solid choice for operators looking for effective protection for their power networks.

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