3120-F324-P7T1-W12DY6-20A

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Circuit breakers are essential components of all electrical systems and play a huge role in fault protection. 3120-F324-P7T1-W12DY6-20A is a type of circuit breaker with its own unique features, making the device ideal for certain applications. This article will discuss the application field and working principle of 3120-F324-P7T1-W12DY6-20A.

Application Field

3120-F324-P7T1-W12DY6-20A is designed for a wide range of electrical circuits. It can be used for medium voltage applications up to 15kV, with no limitation on the current. It has a rated short-circuit current of 50kA, making it suitable for protecting power systems from short-circuit currents. Additionally, the device has a current limiting function, which is an important benefit for applications with sensitive devices.

3120-F324-P7T1-W12DY6-20A also offers an adjustable under-voltage trip protection to prevent tripping in the event of low voltage. This makes the device suitable for applications in unstable electrical environments, such as during power outages. Thanks to its robust construction, the device is also suitable for applications in harsh environments, such as in high temperature or dusty areas.

Working Principle

3120-F324-P7T1-W12DY6-20A is made up of two parts: the main device, and an auxiliary switch. The main device is responsible for switching on and off the circuit, and for providing under-voltage protection. The auxiliary switch allows for manual opening and closing of the circuit, as well as for emergency switching of the power supply.

When there is a fault or overload, the current passes through the device, causing the breaker to open and disconnect the power supply. This prevents further damage to the electrical system, and also limits the amount of time the user has to shut down the system and make repairs. In the event of under-voltage, the device trip before the system drops below a certain voltage.

When the fault is cleared, the device can be reset by either pressing the reset button, or by restoring power to the circuit. The auxiliary switch then allows the user to manually close the circuit to restore power. If the fault persists, then the breaker will trip again and open the circuit.

Conclusion

3120-F324-P7T1-W12DY6-20A is a type of circuit breaker suitable for medium voltage applications up to 15kV, with a current limiting function and adjustable undervoltage trip function. Its working principle involves the main device and an auxiliary switch, which are responsible for the switching, resetting and emergency switching of the circuit. Its robust construction makes it suitable for applications in harsh environments, making it a great choice for medium voltage applications.

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