The FN520 and FN530 Series of Schaffner Sinusodial Filters allows the use of extremely long unshielded motor cables without causing radiation problems. All models are highly reliable and excellent quality. Various current output ratings: 4A - 16A. Elimination of premature motor damage caused by overvoltages and overheating. Significantly increases service life of electric motors Maximum Voltage Rating = 850 V dc Series = FN 530 Maximum Current Rating = 12A Switching Frequency = 6 - 20kHz Dimensions = 390 x 90 x 215mm Depth = 90mm Height = 215mm Length = 390mm Maximum Operating Temperature = +100°C Minimum Operating Temperature = -25°C