| UPS |
| Model | DRU-500 | DRU-850 |
| INPUT |
| Voltage | 100 / 110 / 120 or 220 / 230 / 240 Vac |
| Voltage Range | 85 – 138 or 165 – 276 Vac |
| Frequency Range | 50 / 60 Hz (Auto Sensing) |
| OUTPUT |
| Waveform | Simulated Sine Wave |
| Voltage | 100 / 110 / 120 or 220 / 230 / 240 Vac |
| Frequency | 50 / 60 Hz ± 0.3 Hz |
| Transfer Time | 2 – 4 ms(Typical) |
| PROTECTION |
| Full Protection | Overload, Surge, Short Circuit |
| Connector | RJ11 / RJ45 |
| MANAGEMENT & COMMUNICATION |
| Indicator | LED Panel |
| Communication Port | RS232 (Option) |
| PHYSICAL |
| Dimensions(WxDxH)(mm) | 281 x 116 x 124 |
| Alarm |
| Overload / Fault | Continuous Beeping |
| Battery Mode | Beep every 4 seconds |
| Low Battery | Beep every 0.5 seconds |
| Environment |
| Operating Humidity | 0~90% RH at 0~40°C (Non-condensing) |
| Audible Noise | Less than 40 dB |
