| UPS Model | OT1K | OT1KS | OT2K | OT2KS | OT3K | OT3KS | |
| Capacity | 1KVA/800W | 2KVA/1600W | 3KVA/2400W | ||||
| Input | Voltage | 115 - 300Vac | |||||
| Frequency | 40-60Hz Adjustable | ||||||
| Power factor | 0.99 | ||||||
| Output | Voltage | 220/230Vac( 1± 2% ) | |||||
| Frequency | Synchronize with utility power(utility mode); 50/60Hz ± 0.2Hz(battery mode) | ||||||
| On-load factor | 0.8 | ||||||
| Overload rating | 125% overload,1min | ||||||
| Battery | Type | Valve-control lead acid maintenance-free battery | |||||
| Back up time | more than 11min (half load) | External | more than 11min (half load) | External | more than 11min (half load) | External | |
| Rated voltage | 36V | 72V | 96V | ||||
| Transfer time | 0 | ||||||
| Operating environment | Humidity: 20%-90%, Temperature:40oC | ||||||
| Size (WxDxH) mm | 350X144X229 | 424X190X328 | 424X190X328 | ||||
| Net Weight(kg) | 11.5 | 5.7 | 22.2 | 10 | 26.3 | 10 | |