1. Less than +/-1% Reglation 2.110/220/400 VAC Programmable Input 3.Rugged Compact Design; With Under Frequency Protection 4.Soft Start Voltage Ramping 5.EMI Suppression; Buit-in High Capacity 8Amp Fuse Input Voltage: 110/220/400VAC, 1 phase 2 Wire POWER INPUT Voltage:100-260V, 1 phase 2 Wire Output Voltage: Max 90V dc @240V ac input Current: Continuous 3.7A Intermittent 5A for 10 secs Resistance: 15 ohms min 100 ohms Max Regulation +/-1.0% RMS with 4% engine governing Voltage Build-up:Residualvolts at AVR teminal Greater than 5VAC THERMAL DRIFT 0.03% per deg. C change in AVR ambient SOFT START RAMP TIME 2 seconds EXTERNAL VOLTAGE ADJUSTMENT +/-7% with 1 k ohm 1 watt trimmer UNDER FREQUENCY PROTECTION Set point: 95% Hz Slope: 100-300% down to 30 Hz Max. Dwell:20%volts/S recovery UNIT POWER DISSIPATION 8 watts maximum Thermal. Drift:0.03% per °C chage in AVR ambient Under Frequency:60Hz system presets knee point at 55Hz 50Hz system presets knee point at 45Hz Operating Temperature:-40°C to + 60°C Storage Temperature:-40°C to + 85°C Relative Humidity: Less than 95% Material:plastic colour:Black Package Contents: 4 * GAVR-8A Automatic Voltage Regulator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.