AQV214EHA

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Solid state relays (SSRs) are becoming the go-to products of choice for many industries due to their advantages, such as their small size, noiseless operation, high current capability, fast switching times, and extended relay life. The AQV214EHA is a highly reliable solid state relay that has found its way into a variety of industrial applications. Here we will discuss its application field and working principle.

The AQV214EHA is a compact, easy to use single-phase both sides capacitor type SSR. It is able to handle up to 10A current, with a single output load voltage of between 44 and 264VAC. This makes it well suited for a range of applications, such as heating and air conditioning systems, home appliance controls, and motor controls. It is also suitable for a wide range of industrial applications due to its compact design.

The AQV214EHA has a built-in zero voltage crossing that allows it to operate in zero voltage switching (ZVS) mode. This reduces electromagnetic interference (EMI) and prevents potential inrush currents. The relay also has sophisticated protection circuits which guard it against overvoltage, undervoltage, overcurrent, and short-circuit.

The working principle of the AQV214EHA is based on a MOSFET switching circuit. A DC voltage is applied to the control input, which gates the MOSFET transistor and allows current to flow through the relay. The power circuit is isolated from the control circuit, isolating the microcontroller control voltage from the load voltage. The power circuit is also protected from short-circuit and overcurrent. The built-in protection circuits guard against overvoltage, undervoltage, and surge current.

The AQV214EHA is a reliable, easy to use, and versatile relay that is suitable for a range of applications. Its MOSFET switching circuit provides efficient operation and reliable performance, while its sophisticated protection circuits ensure it is well protected against common overvoltage, undervoltage and overcurrent conditions. The built-in zero voltage switching further enhances its EMI protection and inrush current prevention.

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