HJ4-AC240V

Turn On Voltage (Max):	192 VAC
Coil Power:	1.3 VA
Contact Material:	Silver (Ag)
Operating Temperature:	-40°C ~ 70°C
Termination Style:	Plug In
Mounting Type:	Socketable
Features:	--
Release Time:	20ms
Operate Time:	20ms
Turn Off Voltage (Min):	72 VAC
Series:	HJ
Switching Voltage:	250VAC, 125VDC - Max
Contact Rating (Current):	5A
Contact Form:	4PDT (4 Form C)
Coil Voltage:	240VAC
Coil Current:	5.6mA
Coil Type:	Non Latching
Relay Type:	General Purpose
Part Status:	Last Time Buy
Packaging:	Bulk

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Introduction

The HJ4-AC240V is a power relay used to switch high-power electrical circuits. This relay can handle current up to 2 Amps, and operates in situations such as the control of power equipment, industrial automation, and building control systems. It can be integrated into many different applications, so it is an important element for the modern industrial economy.

Application Field

HJ4-AC240V relays are used primarily in industrial and commercial applications. Commonly, they are utilized in industrial automation systems, connected to machines and devices to help them perform and regulate their tasks automatically. They are also used in power equipment control, such as generators and motors, allowing them to switch from one state to another without manual labor. Finally, they are incorporated into electrical building control systems, for the purposes of power management, security, and energy saving.

Working Principle

The HJ4-AC240V power relay is a device which combines electromechanical and electronic elements. It consists of an electromagnet which actuates a switch when activated. The magnet is powered by an electrical current, and turns the switch on or off based on the polarity of the current. The switch, in turn, controls the electrical circuit connected to it, allowing the relay to be used as an electronic switch. The relay uses a form of feedback in its operation. When the current to the magnet is on, the switch is actuated, allowing the circuit to be opened or closed. At the same time, the circuit\'s current is also used to create an electromagnetic field around the magnet. This field, in turn, creates a strong adhesive force which holds the switch in place. This feedback mechanism ensures that the relay stays in its current state, until the current is reversed and the switch is actuated again.

Conclusion

The HJ4-AC240V power relay is an important tool for controlling high-power electrical circuits. It is used primarily in industrial automation and power equipment control, as well as for building control systems. It works by combining electromechanical and electronic elements, and uses a form of feedback to ensure that the relay maintains its current state until the current is reversed. It is an essential element of modern industry, as it helps to improve efficiency and accuracy, while reducing manual labor.

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