DRA3P48A2R2

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Solid state relays (SSRs) are increasingly replacing electromechanical relays in a variety of applications for industrial automation and control. A particularly notable device is the DRA3P48A2R2, which is a small, surface-mount SSR that is designed to meet the needs of industrial, home, commercial and medical applications. The DRA3P48A2R2 offers the advantages of high speed, low power consumption, high current load capability and excellent electrical insulation.

The DRA3P48A2R2 is capable of switching loads from 0.1A up to 25A with a DC voltage varying from VAC to VDC. It has low-powered control electronics with a low on-voltage drop of 0.3V max and a fast switching speed of 0.2ms + 0.1ms. The control input is 3-wire AC/DC; the output is a three-pin connection with reliable contact performance and high isolation resistance up to 3kV. It uses an internal SCR structure, solid-state components, and an innovative trigger circuit for robust operation.

The DRA3P48A2R2 is designed for microcomputer or PLC control circuits and when used in combination with other devices, can easily create a large array of control solutions. The integrated LED indicator allows for visual indication of SSR operation, which can be used to ease troubleshooting and ensure reliable and accurate output control. With a wide operating temperature range of -30~125, the DRA3P48A2R2 can be used in many different environments.For secure operation, its over-current and over-voltage protection make it capable of withstanding short circuits, mis-wiring, and open loop situations.

The working principle of the DRA3P48A2R2 is similar to that of other SSRs. When a control voltage is applied to the control terminal, a low-power signal is logic-level converted to switch on the load, which is connected to the output terminal. When the control terminal is no longer powered, the load is disconnected. The device works by using a semiconductor switching device such as an SCR or a transistor to act as a switch between the control current and the load, allowing the user to control a larger AC current or voltage from a smaller DC control.

The DRA3P48A2R2, with its excellent performance and features, is a popularchoice for applications requiring precision control over switching loads. It is used in automation systems, medical devices, household light control systems, industrial control, security systems, power controllers and more. It offers a reliable solution for sensitive applications, and its minimal size and features make it well suited for space-constrained applications.

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