3120-F71R-P7T1-A19QG2-5A

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A circuit breaker, or an electrical switch, is a device that can be used to protect an electrical circuit from damage caused by excessive current, to protect an overload or a short circuit. The 3120-F71R-P7T1-A19QG2-5A circuit breaker is designed for industrial applications, such as high-voltage power distribution systems, controlling the flow of voltage and current in a circuit.

Specification

The 3120-F71R-P7T1-A19QG2-5A circuit breaker comes with several features that make it suitable for industrial circuit protection. These features include:

• Rated voltage: up to 7.2kV
• Rated frequency: 1 outlet
• Rated current: up to 2000A
• Rated short-terminal breaking current: 20kA
• Rated short-time withstand current: 40kA
• Rated short-circuit lasting time: 25ms
• Adjustment range of trip current: 0.1-1.3 times of rated current
• Mechanical operating life: 20000

Application Field and Working Principle

The 3120-F71R-P7T1-A19QG2-5A circuit breaker is mainly used in industrial applications. It is widely used in power plants, factories, airports, and other high-voltage power distribution systems. In these systems, the circuit breaker protects the system from damage caused by excessive current, by opening the circuit when a certain threshold current is reached.

The working principle of the 3120-F71R-P7T1-A19QG2-5A circuit breaker is based on the principle of electromagnetic induction. When the current through the circuit breaker is higher than the rated current, an electromagnetic field is generated, which interacts with a built-in tripping device, causing the contacts to open, breaking the circuit and protecting the circuit from damage.

The 3120-F71R-P7T1-A19QG2-5A circuit breaker is designed to provide reliable, long-lasting protection for industrial circuits. With its high rated current and short-circuit current, it is a reliable choice for industrial applications. The adjustable trip current feature allows for easy adjustment of the current threshold, depending on the specific load of the circuit. Furthermore, the mechanical operating life of 20000 is enough to protect the circuit breaker in most industrial applications.

Conclusion

The 3120-F71R-P7T1-A19QG2-5A circuit breaker is a reliable choice for industrial applications, as it provides reliable protection against overcurrent and short circuit conditions. The adjustable trip current feature allows it to be used in different applications, depending on the load of the circuit. Furthermore, its long mechanical operating life ensures that it can be used in the long run.

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