Voltronic Power UPS Datasheet — VOLTRONIC-OTIMA-II-TOWER
Discover Voltronic Power's Otima II Tower UPS with voltage options of 110-240 VAC and precise regulation for reliable power backup.
SKU: VOLTRONIC-OTIMA-II-TOWER | Last Updated: 2026-07-23
⚡Electrical Specifications
| Voltage | 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 208/220/230/240 VAC |
| Acceptable Voltage Range | 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 162-290 VAC |
| Frequency Range | 60/50 Hz (Auto sensing) |
| Output Voltage | 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 208/220/230/240 VAC |
| Voltage Regulation (Batt. Mode) | ±1.5 % (Before battery alarm) |
| Frequency Range (Batt. Mode) | 50 Hz or 60 Hz ± 1 Hz |
| Current Crest Ratio | 3:1 |
| Harmonic Distortion | 2% max @ 100% linear load, 5% max @ 100% non-linear load (before low battery alarm) |
| Transfer Time | Typical 2-6 ms, 10ms max. |
| Waveform (Batt. Mode) | Pure Sinewave |
| ECO Mode | 97% |
| Buck & Boost Mode | 95% |
| Battery Mode | >= 88%, up to 90% @ nominal battery voltage / >= 89%, up to 91% @ nominal battery voltage for 110/115/120/127 VAC / >= 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC / >= 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC / >= 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC / >= 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC / >= 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC |
| Battery Type and Quantity | 12 V/7 Ah x 2 / 12 V/9 Ah x 2 / 12 V/7 Ah x 2 / 12 V/9 Ah x 4 / 12 V/9 Ah x 4 / 12 V/9 Ah x 6 / 12 V/10 Ah x 6 |
| Charging Current (max.) | 1.5A |
| Charging Voltage | 27.4 VDC ± 1% / 54.8 VDC ± 1% / 82.1 VDC ± 1% / 82.1 VDC ± 1% / 82.1 VDC ± 1% / 82.1 VDC ± 1% / 82.1 VDC ± 1% |
| Typical Recharge Time | 4 hours recover to 90% capacity |
| Smart RS-232/USB | Supports Windows® 2000/2003/XP/Vista/2008, Windows® 7/8/10, Linux and MAC |
| Optional SNMP | Power management from SNMP manager and web browser |
| Battery Mode | >= 88%, up to 90% @ nominal battery voltage |
🔧Mechanical Specifications
| Dimension, DxWxH(mm) | 397 x 145 x 220 / 455 x 145 x 220 / 421 x 190 x 318 / 421 x 190 x 318 / 421 x 190 x 318 / 421 x 190 x 318 / 421 x 190 x 318 |
| Net Weight (kgs) | 11.7 / 12.1 / 17.2 / 19.7 / 26.6 / 29 / 34.5 |
| Weight | 11.7 / 12.1 / 17.2 / 19.7 / 26.6 / 29 / 34.5 |
🌡️Environmental Specifications
| Full Protection | Overload, discharge, and overcharge protection |
| Humidity | 0-90 % RH @ 0- 40°C (Non-condensing) |
| Noise Level | Less than 45dB |
| Altitude | 0~3000m, 10% de-rating for over 1000m |
📏Dimensions
Width145
Height220
Depth397
Weight11.7 / 12.1 / 17.2 / 19.7 / 26.6 / 29 / 34.5