EZ480A12R

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Solid State Relays (SSR) are electro-mechanical devices that use a semiconductor to switch between two states, usually on/off, like a mechanical relay. The EZ480A12R is a common type of SSR that can be used in a variety of applications. This article will discuss the application field and working principle of this device.

The EZ480A12R is a single-phase, zero-crossing AC-type SSR that can be used for a variety of general-purpose applications. It is a 3-pin device with a maximum operating voltage of 200VAC and a maximum output current of 10A. This SSR is typically used to control the speed of an AC motor, or to control an AC heater. It is also suitable for controlling the current or voltage of a high-power system such as an induction furnace, welding system or air conditioning system.

The EZ480A12R functions in two modes: light-on-turn-off and turn-on-light-off. In light-on-turn-off mode, the device will activate when the current is greater than 5mA, and deactivate when the current drops below 5mA. In turn-on-light-off mode, the device will activate when the current drops below 5mA, and deactivate when the current rises above 5mA. Therefore, the EZ480A12R can be used to control both on/off and constant current or voltage applications.

The working principle of the EZ480A12R can be explained using a simple schematic. The device consists of two components: an AC input switch and a DC output switch. The AC input switch is a semiconductor switch specifically designed for use with AC power, and the DC output switch is another semiconductor switch designed for DC use. The AC input is connected to the AC input switch, and when the switch is activated, it allows current to flow through the DC output switch. When the DC output switch is activated, it allows current to flow through the load. As the AC current rises and falls, the SSR switches the load on and off accordingly.

The EZ480A12R is a versatile and easy-to-use SSR. It can be used in a variety of general-purpose applications such as controlling the speed of an AC motor, controlling an AC heater, or controlling the current or voltage of a high-power system. Furthermore, it is capable of operating in either light-on-turn-off or turn-on-light-off mode, making it suitable for controlling both on/off and constant current or voltage applications.

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