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Power Relays, Over 2 Amps: MY4N-CR AC200/220 Application Field and Working Principle

Introduction

Relays are an important type of electrical device for control, automation, and signal switching. They play an important role in industry, communications, electric power systems, and many other applications. MY4N-CR series relays from OMRON are a type of power relay featuring a high-insulation contact construction and high-reliability switching performance, making them ideal for high-power applications. The OMRON MY4N-CR AC200/220 is a power relay well suited for use in applications where more than 2 amps of current are needed. In this article, we\'ll explore the MY4N-CR AC200/220 relay\'s application fields and discuss its working principle.

Application Fields

The MY4N-CR AC200/220 from OMRON is a general-purpose power relay that can handle up to 220 Volts AC, with a rated current of up to 20 Amps. This makes it well suited for many applications, including the control and switching of HVAC systems, motor starters, lighting systems, contactors, and more. It can also be used in higher-power industrial applications, such as powering pumps, compressors, motors, and more. It\'s a great choice for applications where high inductive loads need to be switched, such as electric motors, contactors, and solenoids.

Construction and Design

The MY4N-CR AC200/220 is a compactly-designed power relay with a variety of features. It has gold-plated contacts for maximum electrical performance, and it contains a built-in diode for overcurrent and inductive load protection. It also has an air-gap opening that helps to prevent short circuits from occurring. It features a direct-insert design for efficient installation, and it can be mounted using standard DIN-rail or surface-mount hardware. The MY4N-CR AC200/220 is also UL, CUL, and VDE-certified, making it a safe and reliable device for use in a variety of industrial and commercial applications.

Working Principle

The working principle of the MY4N-CR AC200/220 power relay is based on a very simple system. It consists of a coil and a switch, which are both connected to a circuit. When the coil is energized, the switch is drawn to it, and the circuit is closed, allowing current to flow. Conversely, when the coil is de-energized, the switch is released, and the circuit is opened, interrupting the current flow. This is known as the "make-break" principle, and it\'s the basic principle behind all types of relays.

Conclusion

The OMRON MY4N-CR AC200/220 is an ideal choice for many high-power applications. It features a high-insulation contact construction and a high-reliability switching performance, making it a great choice for applications where more than 2 amps of current are needed. And with its UL, CUL, and VDE-certification, it\'s a safe and reliable device for use in industrial and commercial applications. Thanks to its simple make-break design, it\'s easy to understand and operate, making it a great choice for all types of high-power switching applications.

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