AQW254A

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

AQW254A is a solid-state relays (SSR) designed for intermediate current switching applications in industrial and home automation. Although AQW254A consists of several components, the main working principle can be divided into two parts: the power switch and the control circuit.

The power switch typically consists of two parallel thyristors connected in anti-parallel (back-to-back), often referred to as a "4-quadrant switch". Thyristors can be thought of as power electronic switches that can switch power when triggered by a current or voltage signal. When the thyristor is triggered, it conducts current, effectively connecting the AC line to the load. When the thyristor is no longer triggered, it stops conducting, effectively disconnecting the AC line from the load.

The control circuit mainly consists of a power supply, control circuit, regulating circuit, rectifying circuit, and trip circuit. The power supply provides power to the control circuit, which in turn triggers the LED indicators, switching the thyristors on and off. The regulating circuit is responsible for controlling the voltage level of the input and output signals, while the rectifying circuit converts AC signals into DC signals. The trip circuit is used to provide an early fault detection function in case of an over-temperature or current overload situation.

AQW254A is mainly used in the field of automation, robotics, and digital control, as it can switch AC loads from a DC digital control signal. It is also used in industrial heating, cooling and air conditioning systems, home automation, and office building. It has also been integrated in various consumer appliances, such as electric showers, washing machines, refrigerators, microwave ovens, etc.

AQW254A provides an efficient, reliable, and cost-effective solution for controlling AC loads from a digital control circuit. Its power switch circuit and control circuit make it an excellent choice for intermediate load level current switching applications. With its wide range of applications and reliable performance, the AQW254A is increasingly gaining popularity as an SSR of choice for industrial and home automation applications.

The specific data is subject to PDF, and the above content is for reference