DR48A12

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Solid State Relays (SSR) have been around for more than 65 years and are used in most modern electronic devices. Over the years, SSR designs have evolved to become more efficient, reliable, and cost-effective. One of the most popular SSRs in the market today is the DR48A12. This SSR is widely used in industrial and commercial applications because of its high reliability and cost-effectiveness.

The DR48A12 is a single phase AC SSR with a load voltage of 24-280VAC/24-125VDC and a control voltage of 3-32VAC/DC. It is capable of handling loads up to 5A, depending on the voltage. The SSR features zero voltage switching, which allows it to switch on and off even during zero voltage crossings. This helps reduce the amount of wear and tear on switch elements due to fast switching and increases the life of the SSR. The SSR also features short circuit protection, over-current protection, and over-voltage protection for added safety.

The working principle of the DR48A12 is simple yet highly effective. When a control voltage is applied to the SSR’s positive and negative control terminals, the SSR’s solid-state switching element is activated, allowing electricity to flow through the output terminals. The unit is designed to open its contacts when the control voltage is removed, preventing any further current flow through the output. This allowed the DR48A12 to be used in a wide variety of applications, such as electric motor control, lighting, heating, ventilation, and air-conditioning control.

Due to its versatility, the DR48A12 is used in a variety of applications. The most popular applications include motor control, HVAC control, lighting control, and other industrial automation systems. It is capable of handling loads up to 5A, depending on the voltage, and can be used in both AC and DC applications. In addition, the SSR’s zero voltage switching feature makes it an ideal choice for applications that require fast switching or frequent cycling.

Overall, the DR48A12 is a reliable and cost-effective SSR that is suitable for a variety of applications. It is designed to handle loads up to 5A, with a voltage range of 24-280VAC/24-125VDC. The zero voltage switching and various built-in safety features make the DR48A12 an ideal choice for industrial and commercial applications. Additionally, the SSR’s simple yet effective working principle makes it easy to incorporate into any existing system.

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