CD4825D2U

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Solid State Relays (SSRs) are increasingly used in modern applications due to their reliability, low cost, and miniaturization. The SSR works as an electronic switch, allowing current to flow in either direction when it is activated. The CD4825D2U is a type of SSR specifically designed for high power switching applications and can be used in a wide variety of applications. In this article, we will discuss the specific application field of CD4825D2U and its working principle.

Applications of CD4825D2U

The CD4825D2U is a high power SSR which is designed for use in a wide range of industrial and commercial applications. These include but are not limited to motor control systems, HVAC systems, lighting control, welding systems, and power supplies. Additionally, the SSR can also be used in solar power systems, medical equipment, and other critical applications.

The CD4825D2U SSR can be used in applications requiring up to 25 Amps at 480VAC, making it suitable for most industrial and commercial applications. It features an all-metal enclosure, which ensures excellent heat dissipation, and a screwless installation design which makes it easy to install. The SSR can also be used in both AC and DC circuits, making it truly universal.

Working Principle of CD4825D2U

The CD4825D2U SSR is an electronically operated switch which is controlled by an external trigger voltage. When the trigger voltage is applied, the SSR turns on and allows current to flow in either direction. When the trigger voltage is removed, the SSR turns off and current is no longer able to flow.

The SSR is composed of two parts – the Input module and the Output module. The input module contains an optically coupled circuit, which is responsible for providing the external trigger voltage, and a bridge rectifier, which provides the output voltage needed for the output module. The output module contains a power transistor, which is responsible for providing the high power switching required by the SSR. When the external trigger voltage is applied, the input module provides the required output voltage and the power transistor is activated, turning on the SSR and allowing current to flow.

The CD4825D2U SSR also features an integrated zero-phase current detection system. This system senses the current flowing through the SSR and will automatically shut it off if the current exceeds the rated value. This ensures that the SSR is protected from damage due to overcurrent conditions.

Conclusion

The CD4825D2U is a high power SSR which is designed for use in a variety of applications. It can be used in AC or DC circuits, up to 25 Amps at 480VAC. The SSR is composed of two parts, the input module and the output module, and features an integrated zero-phase current detection system which protects it from overcurrent conditions. The CD4825D2U is an ideal choice for any application requiring high power switching.

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