single-phase control transformer, Rated Frequency: 50/60 Hz., Voltage Options: A wide range of input and output voltages are available depending on the specific model variant:, Common Input: 380V, 220V, 110V, 440V (AC)., Common Output: 6.3V, 12V, 24V, 36V, 110V, 220V (AC)., Insulation Level: Generally B, F, or H grade insulation, designed for safe operation., Protection: Includes overcurrent, overvoltage, and thermal protection features.