MGN2A-AC240

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Power relays are used in a variety of applications, from home electrical systems to commercial and industrial power systems. The MGN2A-AC240 is specifically designed for use in power systems, providing reliable protection against overloads and short circuits. In this article, we’ll explore the application field and working principle of the MGN2A-AC240, a power relay ideal for use in industrial or commercial power systems.

Application Field of MGN2A-AC240

The MGN2A-AC240 is an electromechanical relay that can be used in a range of applications, from residential to industrial. Some notable applications include motor starters, traction systems, and uninterruptible power supplies. This power relay is designed to trip in response to an overload condition, providing additional protection against short circuits. Additionally, its design prevents damage from interior arcing. With an operating voltage of up to 600 volts and a current of 240 amps, the MGN2A-AC240 is capable of operating even in the most challenging environments.

Operating Principle of MGN2A-AC240

The MGN2A-AC240 is an electromagnetic power relay with a coil and an armature. The coil is energized when a specific current is passed through it. The energized coil creates a magnetic field that pulls the armature towards it. This causes the contacts of the relay to close, creating a circuit. When the current exceeds the predetermined threshold, the coils de-energize and the armature is released, causing the contacts to open, thus preventing further current from flowing.

The MGN2A-AC240 also features an integrated thermal cut-off switch. This switch is designed to open the contacts if the temperature of the coil exceeds its maximum operational temperature of 105˚C, thus preventing the power relay from being damaged by overheating. Additionally, the power relay also features an adjustable time-delay mechanism. This allows the relay to remain closed for an adjustable time-period between 10 ms and 60 ms before the armature is released and the contacts open. This feature helps to protect against short-circuiting and should be adjusted according to the specific needs of the application.

Conclusion

The MGN2A-AC240 is a powerful and reliable electromechanical power relay with a wide range of applications. Its adjustable time-delay and thermal cut-off switch help to provide reliable protection against overloads and short circuits, while its high current rating makes it suitable for use in a variety of industrial or commercial applications. With its robust design and wide range of features, the MGN2A-AC240 is an ideal choice for a reliable power relay solution.

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