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 (see note 1)
                    Intermittent 6A for 10 secs.
     Resistance 15 ohms minimum
REGULATION
     +/- 0.5% RMS with 4% engine governing (see note 2)
THERMAL DRIFT
      0.02% per deg. C change in AVR ambient (note 3)
SOFT START RAMP TIME
      0.4 - 4 seconds
TYPICAL SYSTEM RESPONSE
      AVR response            10 ms
      Filed current to 90%   80 ms
      Machine Volts to 97% 300 ms
EXTERNAL VOLTAGE ADJUSTMENT
      +/-10% with 5 k ohm 1 watt trimmer (see note 4)
UNDER FREQUENCY PROTECTION
      Set point     95% Hz (see note 5)
      Slope          100-300% down to 30 Hz
      Max. Dwell    20% volts/S recovery
UNIT POWER DISSIPATION
      18 watts maximum
ANALOGUE INPUT
       Maximum input   +/- 5 Vdc (see note 6)
      Sensitivity         1v for 5% Generator Volts (adjustable)
       Input resistance  1k ohm 
QUADRATURE DROOP INPUT
       10 ohms burden
       Max. sensitivity: 0.22 A for 5% droop 0PF
       Max. input:  0.33 A
CURRENT LIMIT INPUT
       10 ohms burden
       Sensitivity range: 0.5 – 1A
OVER VOLTAGE DETECTOR INPUT
       Set point: 300v.  Time delay: 1 Sec (fixed)
       CB trip coil volts: 10-30 vdc
       CB trip coil resistance: 20-60 ohms
OVER EXCITATION PROTECTION
       Set point      75 V dc
       Time delay     8-15 seconds (fixed)
ENVIRONMENTAL
       Vibration        20-100 Hz 50mm/sec
                          100Hz – 2kHz 3.3g
       Operating temperature   -40 to +700C
       Relative Humidity          0-700C 95% (see note 7)
       Storage temperature     -55 to +800C