NT Series, 20-4000 kVA

Three Phase

The Ultron NT series is a three phase UPS featuring customized I/P-O/P ratings for various applications. With N+X parallel redundancy or expansion, it guarantees high availability and reliability for your critical loads.

The Ultron NT series offers continued seamless protection for your business even under 100% unbalanced loading conditions. Its economy mode improves efficiency by 4% to 7% and saves operating cost.

Applications: Data Center Telecom Industrial Network Security Lab Medical Metro

  • Available from 20 to 4,000 kVA (8 x 500 kVA in parallel).
  • Parallel redundancy without requiring extra hardware to increase reliability.
  • Optional harmonic filter and 12-pulse rectifier.
  • Redundant auxiliary power and control circuit ensures higher reliability.
  • Inbuilt maintenance and static bypass switch.
  • Multi-language LCD display and LED status indicators.
  • RS232, RS485 and six programmable dry contact outputs.
  • Compatible with generator installation and unbalanced loads.
  • Optional external battery cabinet for longer backup time.
  • Parallel expansion as your business grows and consequently saves initial investment.
  • Wide input voltage range extends battery lifetime.
  • Economy mode saves energy and operating cost.
  • Common battery installation saves initial investment.
 Model NT-20K / NT-30K / NT-40K / NT-50K
NT-60K / NT-80K / NT-100K / NT-120K
NT-160K / NT-200K / NT-260K
NT-320K / NT-400K / NT-500K
 Power Rating [20K]: 20kVA / 18kW
[30K]: 30kVA / 27kW
[40K]: 40kVA / 36kW
[50K]: 50kVA / 45kW
[60K]: 60kVA / 54kW
[80K]: 80kVA / 72kW
[100K]: 100kVA / 90kW
[120K]: 120kVA / 108kW
[160K]: 160kVA / 144kW
[200K]: 200kVA / 180kW
[260K]: 260kVA / 234kW
[320K]: 320kVA / 288kW
[400K]: 400kVA / 360kW
[500K]: 500kVA / 450kW
 Input
 Nominal Voltage  208/120, 380/220, 400/230, 415/240, 480/277 Vac (3 phase, 4-wire + G)
 Voltage Range  305~499 Vac
 Frequency  45 ~ 65 Hz
 Output
 Voltage  208/120, 380/220, 400/230, 415/240, 480/277 Vac (3 phase, 4-wire + G)

220, 230, 240 Vac (1 phase)*

 Output Power Factor  0.9
 Voltage Harmonic Distortion  ≤ 3% (linear load)
 Voltage Regulation  ± 1% (static)
 Frequency  50/60 Hz
 Frequency Regulation  ± 0.01% (interior oscillator)
± 1% (synchronized)
Overload Capability  ≤ 110%: 60 minutes
110 ~ 125%: 10 minutes
126 ~ 150%: 1 minute
 Interface
 Standard  RS232 x 1, RS485 x 2, SMART slot x 1, Output dry contact x 6
 Other Features
 Parallel Redundancy  Up to 8 units
 Emergency Power Off  Local and remote
 SRAM Event Log  500 records
 Input Harmonic Improvement Optional harmonic filter and 12-pulse rectifier
 Efficiency
 AC-AC [20K]: 90%
[30K~40K]: 91%
[50K~60K]: 91.5%
[80K~100K]: 92%
[120K~200K]: 92.5%
[260K~500K]: 93%
 ECO Mode [20K]: > 97%
[30K~500K]: > 97.5%
 Environment
 Operating Temperature  0 ~ 40ºC
 Relative Humidity  0 ~ 95% (non-condensing)
 Audible Noise (at 1.5 meters) [20K~40K]: ≤ 60dBA
[50K~120K]: ≤ 65dBA
[160K~200K]: ≤ 68dBA
[260K~400K]: ≤ 72dBA
[500K]: ≤ 77dBA
 Physical
 Dimensions(WxDxH) ** [20K~80K]: 600 x 800 x 1400 mm
[100K~120K]: 800 x 830 x 1700 mm
[160K~200K]: 830 x 1200 x 1700 mm
[260K~400K]: 995 x 1600 x 1950 mm
 Weight ***  [20K]: 365 kg
[30K]: 365 kg
[40K]: 425 kg
[50K]: 460 kg
[60K]: 506 kg
[80K]: 525 kg
[100K]: 700 kg
[120K]: 745 kg
[160K]: 1050 kg
[200K]: 1085 kg
[260K]: 1680 kg
[320K]: 1720 kg
[400K]: 1920 kg
[500K]: 2410 kg
 Physical-12pules
 Dimensions(WxDxH) ** [20K~60K]: 600 x 800 x 1400 mm
[80K]: 830 x 800 x 1700 mm
[100K~160K]: 830 x 1200 x 1700 mm
[200K]: 800 x 1400 x 1700 mm
[260K~400K]: 995 x 1600 x 1950 mm
[500K]: 995 x 1900 x 1950 mm
Weight ***  [20K]: 450 kg
[30K]: 500 kg
[40K]: 590 kg
[50K]: 640 kg
[60K]: 690 kg
[80K]: 860 kg
[100K]: 1070 kg
[120K]: 1102 kg
[160K]: 1430 kg
[200K]: 1560 kg
[260K]: 2150 kg
[320K]: 2400 kg
[400K]: 2645 kg
[500K]: 3110 kg
 * Single phase output voltage: 220/230/240 is only for 20 ~ 120 kVA models.
** Standard rating is 380/220 Vac with 6 pulse rectifier. For models: (1) different rating (2) with 12 pulse rectifier or filter, dimensions and weight would be different from standard models. Please contact your local supplier for more information.
*** 500 kVA model is assembled into two cabinets: Inverter (width=1100 mm, 1760 kg) and Rectifier (width=800 mm, 650 kg).All specifications are subject to change without prior notice.