The 1751B158 AC Power Source covers a frequency range of 45Hz to 5kHz. Total available output power of 1750 VA. Input power of 5.3 kVA maximum, voltage and phase; 208 or 416 L-L, 3-phase. Output: (RMS/RMS Phase) 0 to 32/63.6, 0 to 65/31.8, 0 to 130/15.9 and 0 to 260/7.9.