HJ4-L-AC120V

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A power relay is an electrically operated switch which can be used to control high-power electrical devices. The HJ4-L-AC120V is an example of a power relay which can be used for a variety of applications that require a higher current than a traditional mechanical/electronic switch. This article will discuss the application fields and working principles of the HJ4-L-AC120V power relay.

The HJ4-L-AC120V is a medium power relay which is designed for applications that require switching currents of over 2 amperes, and is commonly used in industrial and commercial applications. It is one of the most reliable and cost-effective power relays available, and is able to provide reliable switching for long term applications. Some of the common applications for the HJ4-L-AC120V include motor control, pump control, HVAC systems, lighting systems, and elevator controls.

The HJ4-L-AC120V power relay is constructed out of high-quality materials which ensure not only reliability, but also durability. It is rated for up to 250 thousand operating cycles, and is capable of withstanding high temperatures. It is also RoHS compliant and is designed to meet the industry standards for safety and performance.

The working principle of the HJ4-L-AC120V power relay is relatively simple. When the relay is connected to an electrical circuit, it creates a magnetic field, which is then used to switch the electrical circuit on or off. This process is achieved by an electromagnetic coil which is built into the relay. When an electrical current is applied to the coil, the magnetic field is created which attracts the armature of the relay and closes the electrical circuit. When the electrical current is removed from the coil, the magnetic field dissipates and the armature is released, opening the circuit.

The HJ4-L-AC120V is a versatile power relay which can be used in many applications. It is highly reliable and provides long-term performance in demanding environments. With its robust design and simple working principle, the HJ4-L-AC120V is an ideal choice for industrial and commercial applications that require switching currents of over 2 amperes.

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