SENSING INPUT
      Voltage      190-264V ac max, 2 or 3 phase
      Frequency    50-60 Hz nominal
POWER INPUT (PMG)
      Voltage      170-220V ac max, 3 phase, 3 wire
      Current      3A/phase
      Frequency    100-120 Hz nominal
OUTPUT
      Voltage      max 120V dc
      Current      continuous 3.7 A
                     Intermittent 6A for 10 secs.
      Resistance   15 ohms minimum
REGULATION   +/- 0.5% RMS with 4% engine goveming