AQZ202

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Solid State Relays (SSRs) are electrical switches that are used to control the flow of electricity in a wide range of industrial and commercial applications. The AQZ202 is a type of SSR that is used to control the flow of high current in many applications, from lighting to process control. This article will discuss the application field and working principle of the AQZ202 Solid State Relay.

One of the primary applications of the AQZ202 SSR is in the control of lighting. The AQZ202 is designed to control halogen, fluorescent, LED and incandescent lighting. It has a wide range of power ratings up to 25A @ 1650V AC making it ideal for applications such as shop lighting, building lighting, convention centers and event halls. The AQZ202 also has a number of features that make it ideal for lighting applications, such as a wide input voltage range from 12-48V AC/DC, the ability to detect voltage inrush, and a built-in surge protector.

The AQZ202 is also used in process control applications. It can be used to control the start and stop of motors, pumps, valves and other machinery. The AQZ202 has a nominal load current of 25A and a maximum load current of 60A, making it ideal for small to large scale process control applications. The AQZ202 also has a number of features that make it ideal for process control applications, such as a wide input voltage range from 12-48V AC/DC, the ability to detect voltage inrush, and a built-in surge protector.

The working principle of the AQZ202 SSR is based on a control input that is used to switch the power supply on and off. The control input voltage is typically supplied by an external DC or AC voltage source, such as a microcontroller or other digital device. When the control input voltage is above a certain threshold, the internal circuitry of the AQZ202 switches on the power supply, allowing current to flow through the load. When the control input voltage is below the threshold, the power supply is switched off, capping the load current and protecting the electronics in the system.

The AQZ202 SSR also features a number of features to ensure safe and reliable operation. Since the power supply is switched on and off in response to a control input, the AQZ202 can detect when an increase in current is present and limit the current through the load to a safe level. This protects the power supply and load from damage caused by overloads. The AQZ202 also has an integrated surge protector that can limit the amount of transient voltage on the input, providing additional protection to the system.

In conclusion, the AQZ202 Solid State Relay is a versatile and reliable device that can be used in a variety of applications. It is ideal for controlling lighting and process control applications, and can handle a wide range of current levels. The AQZ202 is also designed with a number of features that make it safe and reliable, including voltage inrush detection and a built-in surge protector.

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