Niche General Series — GAVR-20A Automatic Voltage Regulator-er technical specifications ebong features-er akti detail table deya holo:
| Feature | Details |
| Model | GAVR-20A |
| Sensing Input Voltage | 220 / 400 VAC, 1 Phase 2 Wire |
| Power Input Voltage | 180 ~ 240 VAC, 1 Phase 2 Wire |
| Output Voltage | Max. 90 VDC @ 240 VAC input |
| Current | Continuous 15A, Intermittent 20A for 10 secs |
| Resistance | Min. 10 ohm, Max. 100 ohm |
| Voltage Regulation | < ±0.5% (with 4% engine governing) |
| Voltage Build-up | Residual volts at AVR terminal > 5 VAC |
| External Volts Adj. | ±7% with 1k ohm 1 watt trimmer |
| Soft Start Ramp Time | 3 seconds |
| Under Frequency Protection | 60Hz system knees at 55Hz / 50Hz system knees at 45Hz |