AQW212EHA

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

Solid state relays (SSRs) are widely used in various applications. In particular, the AQW212EHA solid state relays offer a combination of features and advantages that make them suitable for industrial, commercial, and residential applications. This article will discuss the application field and working principle of the AQW212EHA solid state relays.

The AQW212EHA solid state relays are designed to provide reliable switching of DC or AC voltage. They feature a low-impedance optically isolated input with a fast response time, a high-current voltage level rating, and a high-controllability PWM (Pulse Width Modulation) feature. This allows them to perform at a high level in various demanding applications such as fans, pumps, motors, and lighting control.

The AQW212EHA solid state relays offer a range of switching operations, including on/off, alternating, pulse width modulation (PWM), and selectable latching. Each relay type also has an adjustable sensitivity for temperature protection and it is compatible with a variety of control systems. With the optically isolated inputs, the AQW212EHA relays can also provide input/output isolation to protect against system ground-isolation problems. In addition, the relays are resistant to voltage spikes and provide over-temperature protection.

The AQW212EHA solid state relays also provide highly reliable switching, thanks to their design and construction. The relays feature high-frequency switching, which enhance their thermal stress endurance and reduce their heat dissipation. The relays also feature high-temperature insulation, allowing them to work in harsh environments. Additionally, the relays are designed to provide a high-amount of surge current protection, which ensures that even sensitive loads can be safely switched.

The working principle of the AQW212EHA relays makes use of a photo-coupler and a triac. The photo-coupler, or opto-isolator, acts like a one-way switch and only allows electrical current to pass in one direction. The coupler is triggered when light is shone onto the zero-cross detector, which then sends current towards the control circuitry and the triac.

The triac then converts the electrical input into a high-intensity output, allowing high-current loads to be switched. This circuit is self-protected by the photo-coupler and the triac, which ensures that the relay will be able to withstand over-voltage conditions and system ground-isolation problems.

All in all, the AQW212EHA solid state relays provide reliable and dependable switching performance in a variety of different applications. They are designed to provide a combination of features and protection, making them suitable for industrial, commercial, and residential applications. The relays can handle a wide variety of loads, and their optically-isolated inputs make them resistant to system ground-isolation problems. Additionally, the use of a triac and photo-coupler ensure the relays will be able to safely switch even sensitive loads.

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