ED24D1R

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Solid State Relays

Solid state relays (SSR) are electronic switches which act to switch power on or off via an electronic signal. SSRs take the place of physical contactor based relays, offering a high level of safety, reliability, and long-term durability. They can provide an interface between AC or DC electrical circuits and a wide range of control systems.

One type of SSR is the ED24D1R, which is a 25A AC/DC general-purpose output, three-phase control SSR. This type of SSR offers users a range of features and benefits that help simplify and improve the control of electrical circuits.

ED24D1R Application Field and Working Principle

The ED24D1R is suitable for numerous applications in many industries, such as industrial, automotive, and home automation. It can also be used in power supplies, motor controls, heating controls, lighting controls, audio/video equipment, and other similar applications.

The working principle of an ED24D1R is relatively straightforward; it uses an electronic control signal to switch an electrical circuit on or off safely and quickly. The ED24D1R uses a \'zero-cross\' detector to detect when the voltage of the AC power supply crosses the zero-line. When the voltage goes below the zero-line, the SSR is triggered, turning on the power to the electric circuit. When the voltage of the AC power supply rises back above the zero-line, the SSR is released, and the power to the electric circuit is turned off.

The ED24D1R also offers an innovative feature - four integrated contact outputs. This feature allows for a 4-20mA current output signal, and can be used to provide logic signals or status findings to other parts of a system. This makes the ED24D1R an ideal choice for use in high-precision control systems.

Another advantage of the ED24D1R is its ability to include an integrated over-current protection function. This function helps to ensure that it can operate safely in electrically noisy environments, while also providing a level of protection for the components the SSR is controlling.

The ED24D1R is an excellent choice for a wide range of applications, and offers a level of safety and reliability that is difficult to find with traditional contactor based relays. It is easy to install, and is highly flexible, making it a popular choice for many manufacturers.

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