ADW1109HTW

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Power relay is a kind of electrically operated switch that is used to control power circuits. ADW1109HTW is such a type of power relay, especially suitable for controlling power circuits above 2 Amps. This article will discuss the application field and working principle of this type of power relay.

Application Field

ADW1109HTW power relay is mainly used for applications such as motor controls, heating controls and lighting controls. It can ratio or turn on and off, circuits in high-current ranges, usually over 2 Amps. It is also highly reliable, and long lasting, with a typical lifespan of up to 2 million cycles. Additionally, it can be used in safety critical applications, thanks to its high-grade insulation and low voltage drop.

In terms of versatility, this power relay is compatible with most of the popular voltage sources, such as 12V DC, 24V AC, 120V AC, 220V AC, and 230V AC. Furthermore, it has a wide range of additional features, such as a large power capacity range, a slim size, and a high switching capacity, that make it suitable for a wide range of applications, from motor control to residential and commercial lighting control.

Working Principle

The working principle of ADW1109HTW power relay is based on a simple magnetic circuit. It contains an electromagnet that is activated by an electric current when the switch is turned on. The electromagnet exerts a force on a movable armature that is attached to a set of electrical contacts, thus connecting and disconnecting the electrical power circuit.

The electromagnet coil, which is responsible for the actuation of the switch, is encased in a plastic shell and is connected to the contacts on the circuit board. The armature is a permanent magnet, which is attracted and pushed by the electromagnet when the switch is operated. The armature, in turn, is connected to the contacts on the circuit board via metallic plates.

When the switch is off, the armature stays in its resting position and the contact is kept open, thus interrupting the power supply. When the switch is turned on, current flows to the electromagnet, causing its magnetic field to increase, therefore exerting force on the armature. This causes the armature to move and overcome the spring force, thus making contact with the contacts on the circuit board and allowing power to flow.

In addition to this standard mechanism, ADW1109HTW power relay also has some other advanced features such as a built-in thermal protector, to avoid excessive temperatures and ensure the longevity of the device. This device uses DC voltage to switch AC current, allowing it to be used safely in a wide range of applictions.

Conclusion

ADW1109HTW power relay is a reliable, versatile, and long-lasting device that can be used in a wide range of applications ranging from motor control to residential and commercial lighting control. It has several useful features, such as a built-in thermal protector and a large power range. Moreover, its working principle is based on a magnetic circuit involving an electromagnet and a movable armature connected to contacts on the circuit board.

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