AQY282EHA

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Solid State Relays

AQY282EHA is a series of solid state relays, which are suitable for the control and firing of SSRs or SCRs.

AQY282EHA is designed with optically coupled isolator, bidirectional circuit (DC or AC) and zero-crossing circuit. Its input stage uses a light-sensitive triac, optocoupler or phototransistor. It is used for a variety of applications such as turn-on and turn-off control of resistive (rectifying) loads, and controlling the operating state of motors.

The advantage of AQY282EHA over traditional relays is that it does not have any mechanical moving parts. This reduces the overall size and cost of the device, making it perfect for using in industrial automation systems. Furthermore, the overall contact lifetime is much higher than that of traditional relays. This makes it especially suitable for continuous high current applications.

In terms of working principle, AQY282EHA uses the optically coupled isolator to conduct switch control. The optically coupled isolator is composed of two parts, the light emitting diode and the photoelectric device, which are precisely encapsulated together. The light emitting diode can only turn on after receiving a signal of a certain voltage and specific current value. Thereafter, the switch can be opened or closed through an electric signal from a control terminal. Also, there may be cases where it may take several cycles for the switch to be completely open or closed.

AQY282EHA is widely used in various applications such as controlling the operating state of motors, thermostats, home appliances, and low current circuit loads. It is especially suitable for use in the lighting industry due to its small size and high reliability. It is also used in various industrial automation systems, mainly for switching among multiple circuit elements.

In conclusion, AQY282EHA is a reliable and cost effective solid state relay which is suitable for a wide variety of applications. Its fast response time and wide application field make it an ideal choice for industrial and commercial control systems.

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