Output filter du/dt for three-phase supply voltage 200-240 V. Du/dt output filter for frequency converters, IP20, suitable for converters ATV630U40M3. Rated current 25 A, maximum switching frequency 4 kHz. The filters operate in a switching frequency range between 2 and 8 kHz. The specified values depend on the rated switching frequency of the converter, which is dependent on the rated size of the converter. The cable lengths provided are only examples, as they may vary depending on the application. They are suitable for motors according to IEC 6034-25 and NEMA MG1/31.2006. When the filter is used with ATV650U07N4/N4E - D90N4/N4E converters, it must be installed in a separate cabinet to ensure protection class IP 55. Shielded cable (300/984 m).