DRA3R48E2

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Solid State Relays are electronic switches that allow one to control a large amount of electrical current or voltage. This makes them a great choice for a variety of industrial applications. The DRA3R48E2 is one such relay that has a number of features that make it an attractive choice. This article will examine its application field and working principle.

The DRA3R48E2 is a 3-phase, zero-crossing, logic-level SSR. This means that it is designed to control a variety of 3-phase loads, such as industrial motors, lights, pumps, and so forth. It can take signals from a logic-level input, meaning that it is compatible with most 3-phase digital control systems. The fact that it is zero-crossing gives it the ability to react quickly to changes in load with minimal electromagnetic interference. This makes it an ideal choice for applications where EMI can be an issue.

In terms of the actual working principle, the DRA3R48E2 uses an optically isolated triac to switch the AC load on and off. When the system is activated, the logic-level input is read by the SSR and a small voltage is sent to the triac. This causes it to conduct electricity, while simultaneously activating a LED on the SSR, which gives a visual indication that the system is running. When the logic-level signal is removed, the triac shuts off the electrical current.

The DRA3R48E2 is a great choice for a variety of applications, such as those that involve industrial motors, pumps, lights, air conditioners, heating systems, and other variable frequency loads. It can also be used for AC-Motor VFD applications, since it can control both the speed and the direction of the motor. Moreover, it is considered a “smart” SSR because of its ability to respond quickly to changes in load and perform automatic switching. This makes it a perfect choice for applications that require precise control.

Overall, the DRA3R48E2 is a robust and reliable SSR that can provide precise control over AC loads. It is compatible with most 3-phase digital control systems and is well suited for applications that require a fast response and a high degree of accuracy. It is a great choice for a variety of industrial and commercial applications, and its solid state design makes it a great energy-saving option for today’s modern production lines.

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