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With true double-conversion design, SKUDO 3P/1P series provides powerful and overall protection to your sensitive devices. It can accept wider input voltage for harsh environment. It's perfect protection for your precisous servers and workstaiosn.

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Main Features

  • True double-conversion
  • DSP technology guarantees high performance
  • Output power factor 0.8
  • Wide input voltage range (110-300 VAC)
  • Built-in phase auto adapt function simplifies wire installation
  • 50Hz/60Hz frequency converter mode
  • Eco mode operation for energy saving (ECO)
  • Programmable power management outlets
  • Emergency power off function (EPO)
  • Generator compatible
  • Charger capacity expansion to 8A for long-run models
  • SNMP+USB+RS-232 multiple communications
  • 3-stage extendable charging design for optimized battery performance
  • Adjustable battery numbers
  • Maintenance bypass available
  • Optional N+X parallel redundancy
  • Optional isolation transformer available



 Model SKUDO 320 3/1 20kVA (L)
 PHASE Three-phase in / One-phase out
 CAPACITY 20.000 VA / 16.000 W
 Nominal Voltage 3 x 400 Vac (3Ph+N)
 Voltage Range 305-478 Vac (3-phase) at 100% load ; 190-520 Vac (3-phase) at 50% load
 Frequency Range 46~54Hz or 56~64Hz
 Power Factor ≧ 0.99 @ 100% Load
 THDi < 6% @ 100% load
 Output Voltage 208 / 220 / 230 / 240Vac    One-phase
 AC Voltage Regulation  (Batt. Mode) ± 1%
 Frequency Range  (Synchronized Range) 46~54Hz or 56~64Hz
 Frequency Range (Batt.  Mode) 50 Hz ± 0.1 Hz or 60 Hz ± 0.1 Hz
 Current Crest Ratio 3:1
 Total Harmonic Distortion ≦2 % THD (Linear Load) or ≦5 % THD (Non-linear Load)    
 Transfer  Time AC Mode to Batt. Mode Zero
Inverter to Bypass Zero
 Waveform Pure Sinewave
 AC Mode 89%     
 Battery Mode 87%     
 Standard  Model Battery Type 12 V / 9 Ah
Numbers 20 pcs (18 - 20 pcs adjustable)*  x 2 strings  
Typical Recharge Time 9 hours recover to 90% capacity
Charging Current (Max.) 2A   
Charging Voltage 273 Vdc ± 1% (Based on 20pcs batteries)
 Long-run  Model Battery Type Depending on applications
Charging Current (Max.) 8A     
Charging Voltage 273 Vdc ± 1% (based on 20pcs batteries)
 LCD Display UPS status, Load level, Battery level, Input/Output voltage, Discharge timer, and Fault conditions
 Battery Mode Sounding every 4 seconds
 Low Battery Sounding every second
 Overload Sounding twice every second
 Fault Continously sounding
 Standard  Model Dimension, DxWxH (mm) 815 x 250 x 826
Net Weight (kgs) 164
 Long-run  Model Dimension, DxWxH (mm) 592 x 250 x 576
Net Weight (kgs) 40
 Humidity 0-95 % RH @ 0- 40°C (Non-condensing)
 Noise Level Less than 60dB @ 1 Meter 
 Smart RS-232/USB Supports Windows 2000/2003/XP/Vista/2008, Windows 7/8, Linux, Unix, and MAC
 Optional SNMP Power management from SNMP manager and web browser


*When using internal batteries from 18-19, the unit will de-rate according to the below formula: P = PRating x N/20.

**Derate capacity to 60% of capacity in CVCF mode and to 90% when the output voltage is adjusted to 208VAC.
* L means long-run model.


 Product specifications are subject to change without further notice

Data sheet
1) Produttore:
2) Codice:
3) Tipologia:
Uninterruptible Power Supply - UPS
4) Tecnologia:
On-Line true double conversion
5) Tensione di funzionamento:
Three-phase Input and One-phase Output