HJ2-AC120V-R

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Power relays, over 2 amps, are an essential component in electrical circuit designs. The HJ2-AC120V-R is a type of relay commonly used in applications that require a high current to operate in environments with large temperature variances. This article will discuss the application field and working principle of the HJ2-AC120V-R.

Application field

The HJ2-AC120V-R is a two-pole power relay used primarily in AC circuits due to its high-current capacity and low voltage drop. It is designed to switch between two AC power sources, such as a generator and an alternator, or between different types of alternators. The HJ2-AC120V-R is also used in other applications that require a high current capacity and accurate switching in environments where the temperature ranges between -40 degrees Celsius to +125 degrees Celsius.

This makes the HJ2-AC120V-R an ideal choice for use in engine compartments, industrial lighting control systems, motor control systems, automotive applications, and many other applications that require switching power sources. The HJ2-AC120V-R is also commonly used in high-current appliances such as water pumps, air conditioners, and HVAC systems.

Working Principle

The HJ2-AC120V-R is a form of an electromagnetic relay that uses coils of wire to create an electromagnet, which is then used to open and close a switch. When the coil is energized, the electromagnet is activated and the armature is pulled down, which in turn closes the switch. When the coil is de-energized, the electromagnet is deactivated and the armature is pushed up, opening the switch. The HJ2-AC120V-R uses a silver alloy contact material to ensure low contact resistance and reliable switching performance.

The HJ2-AC120V-R also features a quick-connect mechanism for easy installation and removal. This makes it suitable for applications where time and efficiency are of the utmost importance. The HJ2-AC120V-R is also designed with a dustproof and waterproof housing making it an ideal choice for applications in harsh environments.

Conclusion

The HJ2-AC120V-R is a two-pole power relay used primarily in AC circuits due to its high-current capacity and low voltage drop. Its quick-connect installation mechanism and dustproof and waterproof housing make it an ideal choice for applications in harsh environments. Its silver alloy contact material ensures low contact resistance and reliable switching performance. The HJ2-AC120V-R is an ideal choice for switching between different types of power sources and controlling high-current applications.

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