... 1FC3/1FJ3, 1FC4/FJ4, 1FC5, 1FC6/1FJ6 and TFC6/TFJ6 series. The voltage regulator is equipped on the generators of 1FC2 ... , 1FC3/1FJ3, 1FC4/FJ4, 1FC5, 1FC6/1FJ6 and TFC6/TFJ6 ... by brushless excitation, salient and non-salient poles, insulation above H level, full damping and constant voltage. CSIEM generator Voltage regulator /AVR