HC4-H-AC200V

Power relays are devices that are used to control, protect, isolate, and/or switch electrical circuits. HC4-H-AC200V power relays are over 2 Amps and can be used in a variety of applications. In this article, we will cover the application fields for HC4-H-AC200V power relays and the working principle behind them.

Application Field

HC4-H-AC200V power relays are rated for 2 Amps or greater and are perfect for applications which require a higher current capacity, such as motor protection. They can also be used in AC motor control, industrial control, and factory automation. Other applications include office and building automation, air conditioner control, security systems, and lighting systems.

The HC4-H-AC200V power relay is also ideal for HVAC applications. It has a breaking capacity of 6 kilowatts and can be used for controlling high-temperature contactors. The relay is also capable of working in temperatures ranging from -20 to +85 degrees Celsius.

Working Principle

The working principle of the HC4-H-AC200V power relay is based on a contact mechanism that uses current and voltage to control the status of the output contact. When the current or voltage of the input signal to the relay exceeds the threshold, the relay will open or close the contacts to complete the circuit.

The HC4-H-AC200V power relay has two coil terminals, which are used to control its switching behavior. When a current is sent through the coil, it creates an electromagnetic field that moves a set of contacts which can open and close the circuit. This allows for a variety of applications including starting and stopping electric motors, controlling lights, and other simple switching applications.

The HC4-H-AC200V power relay also utilizes a bimetallic strip which serves as a temperature control mechanism. The bimetallic strip heats up when current passes through it, causing it to bend. When this happens, the contacts of the relay open, closing any current flowing through the system. This allows the user to manually control the temperature of the contact points, preventing system damage due to overheating.

Conclusion

HC4-H-AC200V power relays are devices that can be used for a variety of applications. They are rated for more than 2 Amps and can be used in motor control, HVAC applications, industrial control, and more. The working principle of these relays is based on a contact mechanism that uses current and voltage to control the status of the output contact.

HC4-H-AC200V power relays are reliable and durable devices that can be used in a multitude of applications. They are affordable and easily available, making them a great choice for any electrical system.