HJ4-DC24V-6

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Power Relays, Over 2 Amps

The HJ4-DC24V-6 relay is an example of a type of relays known as Power Relays that are designed to handle heavier load requirements of circuit designs with power ratings greater than 2 amperes. It is a standard size DIN rail mounted power relay powered by a DC voltage supply of 24 volts.

Application Field

The HJ4-DC24V-6 is most commonly used in applications such as equipment process control, heating, air conditioning, lighting and motor control in entry level residential or commercial buildings, machine tools, movable equipment and communications equipment.

It can be used for various switching applications up to the current rating of 6 Amps. The HJ4-DC24V-6 is able to switch both AC and DC ranges and is designed to be able to handle a wide voltage range (3 to 32VDC and 85 to 264VAC). It is suitable for applications under challenging environments, such as those in automotive and aviation industries as it is capable of providing reliable switching performance in multi-level humidity, temperature, and vibration tests.

Working Principle

The HJ4-DC24V-6 power relay is a naturally closed contact type device that operates when energized. When the relay is energized, an internal coil generates a magnetic field, which in turn attracts an armature that closes the contacts within the mechanism. Convenient and flexible installation is supported by an array of terminal arrangements and various base sizes.

The device has a direct opening action; that is, the contact is maintained in the OFF status until power is connected to the coil. A normally open contact is available when voltage is applied to the coil. When the voltage is removed from the coil, the contact returns to the normally closed position.

A special heat sink within HJ4-DC24V-6 relay helps to dissipate electro-magnetic interference and limit contact noise. This feature is very useful in applications that require silent switching and low power consumption.

This type of power relay has been designed to prevent flux from entering the heating mechanism, thus preventing unintended contact welding. This feature helps to ensure the device has a long working life in durable applications.

Conclusion

The HJ4-DC24V-6 power relay is a great option for applications with power requirements over 2 amperes. Its flexible installation and variety of terminal arrangements make it versatile and reliable in challenging environment applications, such as those in the automotive and aviation industries. Furthermore, its direct opening action and anti-welding features help protect the device and ensure its long working life.

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