18722C2L9

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Power relays are important components in a wide variety of applications. They are used to control current flow in an electrical circuit, and in many cases, they act as a switch for large currents. The 18722C2L9 is a powerful, over 2-amp relay from Omron that is designed to perform in a variety of demanding environments. This guide will discuss the 18722C2L9 application field as well as its working principle.

Application Field

The 18722C2L9 is a powerful relay that is suitable for use in a wide range of applications. The relay is primarily used in HVAC systems due to its heavy-duty construction and robust performance. It can be used to control the compressor in an HVAC system as well as other components such as fan motors and valves, and can also be used as a switch for high-voltage currents. In addition, the 18722C2L9 is suitable for use in the automotive industry, particularly for controlling the electric fan in cars.

The 18722C2L9 is designed for environments where reliable, long-lasting performance is necessary. It is resistant to moisture, dust, and vibration, and is also able to withstand extreme temperatures and harsh environments. Its durable construction also makes it suitable for use in industrial applications. In particular, it is commonly used to control air compressors, pumps, fans, and other equipment that require robust performance.

Working Principle

The 18722C2L9 relay operates by using an electromagnet. When an electric current is passed through the coil of the relay, the resulting magnetic field causes a metallic armature to be pulled towards the center of the coil. This armature is connected to a contact which then completes the circuit. When the current is interrupted, the armature is released and the contact is broken, thus disconnecting the circuit.

The 18722C2L9 is also equipped with two sets of contacts, referred to as “make” and “break” contacts. The make contacts are what actually complete the circuit when the relay is activated, whereas the break contacts are what disconnect the circuit when the relay is deactivated. This is an important feature that allows for more precise control over the current flow.

The 18722C2L9 relay is made from high-quality materials which ensure its robust performance. It is equipped with a polyurethane bushing and can be operated in temperatures ranging from -40°C to 100°C. It can also handle currents of up to 4 Amps, making it suitable for use with a wide range of high powered applications.

Conclusion

The 18722C2L9 is a powerful, over 2-amp relay that is designed and built by Omron. It is suitable for use in a variety of applications, including HVAC systems, automotive applications, and industrial equipment. The relay operates on a simple electromagnet principle and is equipped with two sets of contacts, allowing for precise control of current flow. The 18722C2L9 is highly durable and resistant to harsh conditions, making it an excellent choice for many applications.

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