| Specification | Details |
| Sensing Input Voltage | 80 ~ 350 VAC, 1 Phase |
| Frequency | 50 / 60 Hz (Selection jumper) |
| Power Input Voltage | 50 ~ 270 VAC |
| Output Voltage | Max. 90 VDC @ 240 VAC input |
| Current | Continuous 5A, Intermittent 7A for 10 sec. |
| Resistance | Min. 15 ohm |
| Voltage Regulation | < ±1% (with 4% engine governing) |
| Voltage Build-up | Residual voltage at AVR terminal > 5 VAC |
| External Volts Adj. | ±5% with 100k ohm 0.5 watt trimmer |
| Under Frequency Protection | Adjustable (Low speed protection) |
| Over-Excitation Protection | Built-in with internal fuse |