Voltronic Power Otima II Tower

UPSModel VOLTRONIC-OTIMA-II-TOWER

Voltronic UPS 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.

  • Voltage: 110-240 VAC
  • Voltage Range: 81-290 VAC
  • Frequency Range: 50/60 Hz (Auto sensing)
AED 1,600incl. VAT

In stock

  • Delivered within 3 business days, door to door, to every market we serve.
  • Dispatched the same business day for an order placed before 21:00 (Dubai time), or the next business day after.
  • 2-year warranty
Full SpecificationsDownload datasheet (PDF)

Voltronic UPS Otima II Tower features

  • Pure sine wave

  • Output power factor 0.9

  • Programmable power management outlets

  • ECO (Efficiency Corrective Optimizer) operation

    ECO (Efficiency Corrective Optimizer) operation for energy saving

  • Very high efficiency in battery

    Very high efficiency in battery mode

  • Boost and Buck AVR for

    Boost and Buck AVR for voltage stabilization

  • Multiple communications available

  • 3-stage smart battery charging control

  • Optional HID Power Device USB

    Optional HID Power Device USB Port

About the Voltronic UPS Otima II Tower

The Voltronic UPS Otima II Tower is a Line Interactive UPS with a voltage regulation of ±1.5 % (Before battery alarm), making it a dependable choice for protecting critical loads from power interruptions. It accepts an operating voltage range of 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. Its output waveform is Pure Sinewave. The unit measures 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 and weighs 11.7 / 12.1 / 17.2 / 19.7 / 26.6 / 29 / 34.5. The Voltronic UPS Otima II Tower is backed by a 2-year manufacturer warranty from Voltronic Power. Its published specifications also list Frequency Range (Batt. Mode) of 50 Hz or 60 Hz ± 1 Hz, Current Crest Ratio of 3:1 and ECO Mode of 97%.

Specifications last updated 23 July 2026

Voltronic UPS Otima II Tower full specifications

Electrical(20)

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
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
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
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
Battery Type and Quantity12 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 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%
Typical Recharge Time4 hours recover to 90% capacity
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
Battery Mode>= 88%, up to 90% @ nominal battery voltage

Mechanical(3)

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
Weight11.7 / 12.1 / 17.2 / 19.7 / 26.6 / 29 / 34.5

Environmental(4)

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

Downloads & support

PDFThe manufacturer's sheet, to print or share

Frequently Asked Questions

What voltage does the Voltronic UPS Otima II Tower operate on?

The Voltronic UPS Otima II Tower has a nominal voltage of 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 and an operating voltage range of 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.

What are the physical dimensions and weight of the Voltronic UPS Otima II Tower?

The Voltronic UPS Otima II Tower measures 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 and weighs 11.7 / 12.1 / 17.2 / 19.7 / 26.6 / 29 / 34.5.

What is the maximum charge current of the Voltronic UPS Otima II Tower?

The Voltronic UPS Otima II Tower has a maximum charge current of 1.5A.

What transfer time and output waveform does the Voltronic UPS Otima II Tower provide?

The Voltronic UPS Otima II Tower has a transfer time of Typical 2-6 ms, 10ms max. and an output waveform of Pure Sinewave.

How does the Voltronic UPS Otima II Tower regulate voltage?

The Voltronic UPS Otima II Tower provides a voltage regulation of ±1.5 % (Before battery alarm).

How loud is the Voltronic UPS Otima II Tower during operation?

The Voltronic UPS Otima II Tower has a noise level of Less than 45dB during operation.

What is the power quality of the Voltronic UPS Otima II Tower?

The Voltronic UPS Otima II Tower has a harmonic distortion of 2% max @ 100% linear load, 5% max @ 100% non-linear load (before low battery alarm).

What warranty coverage is available for the Voltronic UPS Otima II Tower?

The Voltronic UPS Otima II Tower is backed by a 2-year manufacturer warranty from Voltronic Power.

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