3120-F621-P7T1-W02F-X3120-S01AM-10A

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Circuit breakers are essential components of any electrical distribution system. They provide overcurrent, overvoltage and short circuit protection to the electrical equipment, thereby ensuring the safe and reliable operation of the system. The 3120-F621-P7T1-W02F-X3120-S01AM-10A circuit breaker is a general purpose industrial device regularly used for medium to high voltage applications. This article will discuss its application field and working principle.

Application Field

The 3120-F621-P7T1-W02F-X3120-S01AM-10A circuit breaker is suitable in a wide range of medium to high voltage applications. Typically, it is used in industrial power systems and distribution circuits. Its rated current capacity ranges up to 1200Amps, with a rated operating voltage up to 600 Volts. In some cases, the device can also be used for multiple voltages and currents, allowing for greater flexibility.

The breaker can also be used for ratings higher than 1200A for specialized applications. It has an excellent short circuit interrupting capacity and minimum arcing time.

Working Principle

The 3120-F621-P7T1-W02F-X3120-S01AM-10A circuit breaker consists of four major components: the trip coil assembly, the contact set, the trip latch, and the contact spring. The trip coil assembly is at the heart of the breaker. It is responsible for sensing when current flow exceeds the rated capacity and triggering the breaker to trip.

The contact set is the stationary portion of the breaker that remains fixed in place. The trip latch is a pivoting arm that is connected to the contacts. When the trip coil senses an overcurrent, it triggers the trip latch and disconnects the two contacts. This interrupts the current flow and breaks the circuit.

The contact spring is the last piece of the breaker. It serves as a type of shock absorber, protecting the internal parts of the breaker from the impact of the contacts disconnecting. This reduces the risk of any damage to the internal components of the breaker.

Conclusion

The 3120-F621-P7T1-W02F-X3120-S01AM-10A circuit breaker is a reliable and versatile device for medium to high voltage applications. It has an excellent short circuit interrupting capacity, which ensures a safe and reliable operation of the system. Its trip coil assembly senses when current flow exceeds the rated capacity, tripping the breaker to interrupt current flow and preventing the risk of damage to the electrical equipment.

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