Capacity: 20000VA / 18000W (20kVA / 18kW)Topology: Online double-conversionWaveform: Sine waveVoltage & Configuration: 120/208V or 127/220V 3-phase WyeFeatures:• 20KVA...


Capacity: 20000VA / 18000W (20kVA / 18kW)
Topology: Online double-conversion
Waveform: Sine wave
Voltage & Configuration: 120/208V or 127/220V 3-phase Wye

• 20KVA power module (max. 60KVA capacity per cabinet)
• DSP controlled technology and high-frequency design for optimal performance
• 92.5% high efficiency rating in Line Mode
• 1.0 high output power factor
• Low MTTR (mean time to repair) simplifies maintenance and replacement
• Fast charging current up to 8A per power module
• Built-in maintenance bypass switch
• High overload threshold: 110% for 60 minutes, 125% for 10 minutes, 150% for 1 minute
• 5.6-inch LCD with comprehensive system conditions

Capacity 20kVA / 18kW (20000VA / 18000W)
Cabinet Capacity 3 slots (add up to 3 x 20kVA modules)
Phase 3-phase in / 3-phase out
Topology Online double-conversion
Voltage & Configuration 3 x 120/208Vac Wye (3Ph + N + G) 3 x 127/220Vac Wye (3Ph + N + G)
Voltage Range 121 - 253 at < 70% load
156 - 253Vac at 100% load
Frequency 50 / 60Hz (auto sensing)
Frequency 50 / 60Hz (auto sensing)
Power Factor >0.99 at 100% load
THDi <3% at 100% load
Voltage & Configuration 3 x 120/208Vac Wye (3Ph + N + G) 3 x 127/220Vac Wye (3Ph + N + G)
Frequency Range
(Synchronized Range)
50Hz: 46 - 54Hz
60Hz: 56 - 64Hz
Voltage Regulation (Steady State) < +/- 1% typical (balanced load); < +/- 2% (unbalanced load)
Voltage Regulation (Transient) < +/- 5% typical
Voltage Balance  
THDv for Linear-Load <2% at linear load
<4% at non-linear load
Transient Reponse  
Transient Recovery Time  
Phase Displacement  
Power Factor > 0.99 at 100% load; 0.98 at 50% load
Overload Threshold Line Mode: 110%: up to 60 minutes; 125%: up to 10 minutes; 150%: up to 1 minute: > 150%: up to 200ms
Wave Form (Battery Mode) Sine wave
Line To/From Battery 0ms
Inverter To/From Bypass < 20ms
Line Mode Up to 92.5% at full load with batteries fully charged
Battery Mode  92.5%
ECO Mode 97% at full load with batteries fully charged
Quantity & Size 12V / 9Ah x 20 pieces x 6 strings (total 120 pieces)
Nominal Batteries Voltage 120Vdc
Float Charging Voltage 2.25V / cell
Boost Charging Voltage 2.35V / cell
Temperature Compensation Yes
Charging Current 2A to 8A (adjustable)
Emergency Power Off (EPO) Yes
Overload Protection Yes
Overcharge Protection Yes
Surge Suppression Yes
EMI / RFI Filter Yes, full time
MBS Yes, built-in maintenance bypass switch to safely route electricity during maintenance and servicing
Parallel Option Yes, up to 2 additional for N+2 or N configuration
ECO Mode Yes
Temperature Sensor Yes, with add-on Temperature Sensor
USB Port Yes, for power management software to control and monitor the UPS conditions
RS232 Port Yes, for firmware updates only
Software Compatible with Windows 10/8/7, Server 2012 R2 / 2008 R2, Linux 32-Bit / 64-Bit, Sun Solaris, IBM Aix, Compaq True64, SGIIRIX, FreeBSD, HP-UX, mac
Intelligent Slot Yes, for SNMP3-2 card (not included) for remote power management
LCD Screen Yes, 5.7-inch screen shows Input/Output Voltages, Battery Level, Load Level, Fault, configuration, status codes, event logs, settings, and more
Audible Alert Yes
Warranty 1-Year: Equipment and Battery Warranty. See the Terms & Conditions, and Warranty Policy pages for additional information.
Installation Location For indoor, temperature-controlled location free of contaminants only
Cooling Built-in fan
Operating Temperature 0°C up to +40°C / +32°F up to +104°F
(Note: Output capacity derates to 90% at 35°C / 95°F and 80% at 40°C / 104°F)
Operating Humidity <95% non-condensing
Noise <68.2dB at 1 meter
Operating Altitude <1000 meters
(Note: Do not operate in locations above 1000 meters from sea level)
Color Black
Steering Casters Yes
Leveler Legs Yes, for stability at installation location
Rack Height 30U
(UPS Cabinet: 15U;
Battery Cabinet: 15U)
Dimensions (DWH) 1000 x 515 x 1415 mm / 20.3 x 39.4 x 55.7 in
(UPS Cabinet: 1000 x 515 x 760 mm / 20.3 x 39.4 x 29.9 in;
Battery Cabinet (without wheels): 1000 x 514 x 655 mm / 20.3 x 39.4 x 25.8 in)
Weight 616 kg / 1358.05 lbs
(20KVA Power Module: 34 kg / 75 lb;
UPS Cabinet: 195 kg / 430 lb;
Battery Cabinet (with batteries): 387 kg / 853.3 lb)


Product specifications are subject to change without further notice. Maruson assumes no responsibility, and disclaims all liability, for any damages that may result from the use of this information or for any errors or omissions. Battery backup time varies with equipment, configuration, battery age, temperature, etc.

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Our UPS and with USB Ports , a lighting system and digital thermometer inside out server cabinets.


We trust our product very much so we provide our customers with 2 years warranty on ur products


Long-life batteries , cables and power strip made from cooper and certified un refurbished steel


Our support is not stoppable even after the warranty expire we will help you in any future problems.

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