| Model | ESART-1000 | ESART-2000 | ESART-3000 | |
| Capacity | Watt | 1000/900W | 2000/1800W | 3000/2700W |
| Input | Input voltage range | 161-276VAC | ||
| Frequency range | 50/60Hz 5Hz for Normal Mode | |||
| 40-70Hz for Generator Mode | ||||
| Output | Voltage | 220/230/240VAC | ||
| Voltage Regulation | 5% | |||
| (Batt. Mode) | 230 VAC | |||
| Frequency | 50Hz or 60Hz | |||
| Waveform | Pure sinewave | |||
| Overload rating | Line Mode | 110% -0%, +8%: shutdown after 3 minutes. | ||
| 150% -0%, +10%: shutdown after about 200ms | ||||
| Battery Mode | 110% 6%; shutdown after 30 seconds. | |||
| 120 % 6 %; Shutdown after about 100ms | ||||
| Internal battery | Battery Type | 12V/7AH | 12V/7AH | 12V/9AH |
| Quantity | 3 | 6 | 6 | |
| Recharge Time | 3 hours to 90% after discharged | 3 hours to 90% after discharged | 4 hours to 90% after discharged | |
| External battery | Battery Type | 12V/7AH | 12V/7AH | 12V/9AH |
| Interface | RS232 | Yes | ||
| Dry-Contact | Yes | |||
| USB | Yes | |||
| SNMP | Optional | |||
| EPO | Optional | |||
| Operating Environment | Temperature | 0 to 40C | ||
| Humidity | 20%-80% relative humidity (non-condensing) | |||
| Altitude | <1500m | |||
| Storage Temperature | >-15 to 40C | |||
| Dimensions | (W x H x D in mm) | 438X86.5x436 | 438X86.5x608 | 438X86.5x608 |
| Net Weight Kg | 17.8 | 27.8 | 27.8 | |
| Indicator | AC Mode | NORM---normal mode | ||
| Backup Mode | Show bATT and sounding every 4 seconds | |||
| Load/Battery Level | LCD showing | |||
| UPS Fault | LCD show red screen and **** | |||
| Overload | LCD show red screen and OVLD | |||
| Audible Alarm | Low Battery | LCD show red screen and bTLW | ||
| Backup Mode | Sounding every 4 seconds | |||
| Low Battery | Sounding every second | |||
| UPS Fault | Continuously Sounding | |||
| Overload | Sounding every second | |||
| Battery Replacement | Sounding every second | |||
Support data are not available.