DUR220A

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The DUR220A is a perfect choice for a variety of monitoring applications. It is a current/voltage monitoring relay that can configure setpoints and outputs with ease. The device is also flexible enough to monitor multiple parameters simultaneously and can be adjusted to fit the specific needs of each application. It also has a 4-digit LCD display for easy viewing of the setup.

In terms of its primary monitoring applications, the DUR220A can monitor both current and voltage simultaneously. This is achieved by having two separate inputs for both current and voltage so that multiple points of measurement can be taken at once. The device has an adjustable hysteresis (delay) setting which can be configured from 0.1 to 30 milliseconds, thus allowing a user to fine-tune the settings to the conditions of the application. The device can also be adjusted to change the output accordingly.

The DUR220A is also capable of monitoring phase sequences, overcurrent, and phase unbalance conditions. This is achieved by having three separate current input channels for each phase and a customizable output delay. Again, this delay can be adjusted to suit the application from 0.1 to 30 milliseconds. The device also includes an output relays that activate when the setpoints are exceeded.

The working principle of the DUR220A is relatively simple. It displays the measured value of the voltage and/or current on the LCD display, and when this measurement exceeds a setpoint, the output relay is activated. The output relays can be configured to output a warning signal, activate an alarm, or shut down an application\'s operations, depending on the requirements of the application itself.

Overall, the DUR220A is a reliable and cost-effective monitoring relay that is suitable for a variety of applications. Its adjustable setpoints and relays can be quickly configured to meet the needs of almost any application. Its LCD display provides an easy to read display of the setpoints and current/voltage conditions and its flexible inputs allow it to take accurate measurements from multiple points simultaneously. Not only that, but the device also features an adjustable hysteresis setting to provide maximum accuracy and responsiveness.

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