RCD, 40A, 230V, 30mA Trip, KOPP, 40-0,03 Model.
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The 7540.2801.9 is a Residual Current Device (RCD) manufactured by KOPP. This device provides protection against electrical shock by monitoring the current balance in a circuit and tripping when a leakage current of 30mA is detected. It is designed for a rated current of 40A and operates at 230V. The device is identified as the KOPP 40-0,03 model.
This RCD is commonly used in residential, commercial, and industrial electrical installations to safeguard against earth leakage faults. It is suitable for protecting circuits supplying power to sensitive equipment and areas where electrical safety is paramount.