Voltronic Power Otima II

Voltronic Power UPS Datasheet — VOLTRONIC-OTIMA-II

Discover the Otima II UPS by Voltronic Power with voltage options from 110 to 240 VAC and precise regulation for reliable power protection.

SKU: VOLTRONIC-OTIMA-II | Last Updated: 2026-03-27

⚡Electrical Specifications

Voltage110/115/120/127 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 / 208/220/230/240 VAC
Acceptable Voltage Range81-152 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 / 162-290 VAC
Frequency Range60/50 Hz (Auto sensing)
Output Voltage110/115/120/127 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 / 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 Ratio3:1
Harmonic Distortion2% max @ 100% linear load, 5% max @ 100% non-linear load (before low battery alarm)
Transfer TimeTypical 2-6 ms, 10ms max.
Waveform (Batt. Mode)Pure Sinewave
ECO Mode97%
Buck & Boost Mode95%
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 / ≥ 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC
Battery Type and Quantity12 V/7 Ah x 2 / 12 V/9 Ah x 2 / 12 V/7 Ah x 4 / 12 V/9 Ah x 4 / 12 V/7 Ah x 6 / 12 V/9 Ah x 6 / 12 V/10 Ah x 6 / 12 V/10 Ah x 6
Charging Current (max.)1.5 A
Charging Voltage27.4 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% / 82.1 VDC ± 1%
Typical Recharge Time4 hours recover to 90% capacity
LCD DisplayAC Mode, Battery Mode, Load Level, Battery Level, Input Voltage, Output Voltage, Overload, Fault and Low Battery
Low BatterySounding every 2 seconds
OverloadSounding every second
FaultContinuously sounding
Smart RS-232/USBSupports Windows® 2000/2003/XP/Vista/2008, Windows® 7/8/10, Linux and MAC
Optional SNMPPower management from SNMP manager and web browser

🔧Mechanical Specifications

Standard Dimension, DxWxH (mm)410 x 438 x 88 / 510 x 438 x 88 / 630 x 438 x 88 / 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
Net Weight (kgs)12.9 / 13.4 / 19.5 / 21.5 / 27.7 / 29.3 / 11.7 / 12.1
Weight12.9 / 13.4 / 19.5 / 21.5 / 27.7 / 29.3 / 11.7 / 12.1

🌡️Environmental Specifications

Full ProtectionOverload, discharge, and overcharge protection
Humidity0-90 % RH @ 0- 40°C (Non-condensing)
Noise LevelLess than 45dB
Altitude0-3000m, 10% de-rating for over 1000m

📏Dimensions

Width438
Height88
Depth410
Weight12.9 / 13.4 / 19.5 / 21.5 / 27.7 / 29.3 / 11.7 / 12.1