3120-F551-A2T1-W02D-20A

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Circuit breakers are essential components in all electrical and electronic circuits. They are responsible for protecting both the circuits and the equipment connected to them from unusual over-current conditions, such as a power surge, short circuit, or other overvoltage occurrences. The 3120-F551-A2T1-W02D-20A circuit breaker is a powerful and reliable device, designed to protect smaller industrial applications from damage due to overcurrent or overload conditions.

3120-F551-A2T1-W02D-20A Application Field

The 3120-F551-A2T1-W02D-20A circuit breaker is designed for use in industrial applications, such as control and process plants, power generation, refineries, and other applications that require protection from overcurrent and overload. This device is suitable for a maximum voltage rating of 600V AC, and a maximum current rating of 200A. It also has a horsepower rating of 17 horsepower for 1-24 poles with a static trip setting.

3120-F551-A2T1-W02D-20A Working Principle

The working principle of the 3120-F551-A2T1-W02D-20A circuit breaker is based on the idea of interrupting the flow of current in a circuit in order to protect both the circuit and any equipment connected to it. The device uses an electromechanical switch, called a contactor, to open and close the circuit. The contactor is connected to a solenoid, which is responsible for controlling its movement. The solenoid is activated by an overload relay, which detects when the current load on the circuit exceeds its rated capacity.

When an overload is detected, the relay causes the solenoid to move the contactor and open the circuit. This interrupts the flow of current and protects both the circuit and any equipment connected to it from damage due to overcurrent or overload. Once the overload has been cleared, the circuit breaker can be reset and the circuit re-energized.

Conclusion

The 3120-F551-A2T1-W02D-20A circuit breaker is a powerful and reliable device, designed to protect industrial applications from damage due to overcurrent or overload conditions. Its working principle is based on an electromechanical switch and an overload relay, which combine to provide reliable protection from overcurrent conditions. With its high current rating, static trip setting, and efficient working principle, this circuit breaker is an excellent choice for industrial applications.

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