| Input | Sensing Voltage | 220/400VAC,1phase 2wire |
| Power Voltage | 180~240VAC, 1phase 2wire |
| Voltage Jumper selectable | 95-132V ac or 190-264 Hz nominal |
| Frequency | 50-60 Hz nominal |
| Output | Voltage max | 90V dc at 207V ac input |
| Current continuous | 2A dc |
| Current intermittent | 5A for 10 secs |
| Resistance | 20 ohms minimum |
| Voltage Build-up | Esidualvolts at AVR teminal>5VAC |
| External volts adjustment | +/-7%with 1KΩ 1watt trimmer |
| Unit Power Dissipation | Max.8Watt |
| Under Frequency Protection | 60Hz system presets knee point at 57Hz |
| Factory Settings | 50Hz system presets knee point at 47Hz |
| Body size | 15.7*11.5*6cm |