The Miller CST 250 Welding Machine offers 230/460-575V input voltage, provides a 30-250A output current range, features a 50% duty cycle, supports 1/3 phase, operates at 50/60 Hz frequency, dimensions approximately 13.5 x 9.5 x 20.25 inches (34.3 x 24.1 x 51.4 cm), weighs approximately 40 lbs (18.1 kg), and supports both stick and TIG welding. Serial Number: LE173506.