NT Series 20-500 kVA

Features & Benefits

• 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.

Applications

Specifications

1. Model
2. 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

3. ---

4. Power Rating
5. NT-20K: 20 kVA / 16 kW
   NT-30K: 30 kVA / 24 kW
   NT-40K: 40 kVA / 32 kW
   NT-50K: 50 kVA / 40 kW
   NT-60K: 60 kVA / 48 kW
   NT-80K: 80 kVA / 64 kW
   NT-100K: 100 kVA / 80 kW
   NT-120K: 120 kVA / 96 kW
   NT-160K: 160 kVA / 128 kW
   NT-200K: 200 kVA / 160 kW
   NT-260K: 260 kVA / 208 kW
   NT-320K: 320 kVA / 256 kW
   NT-400K: 400 kVA / 320 kW
   NT-500K: 500 kVA / 400 kW

6. ---

7. Input
8. Nominal Voltage: 208/120 Vac; 380/220 Vac; 400/230 Vac; 415/240 Vac; 480/277 Vac (3 phase, 4-wire + G)
9. Voltage Range: 305~499 Vac
10. Current Harmonic Distortion: < 3% (with optional power filter, full load)
11. Frequency: 45~65 Hz

12. ---

13. Output
14. Voltage
    208/120 Vac, 380/220 Vac, 400/230 Vac, 415/240 Vac, 480/277 Vac (3 phase, 4-wire + G)
    220/230/240 Vac (1 phase, 2-wire + G)*
15. Output Power Factor: 0.8
16. Voltage Harmonic Distortion: ≤ 3% (linear load)
17. Voltage Regulation: ± 1% (static)
18. Frequency
    50/60 Hz ± 0.01% (internal oscillator)
    50/60 Hz ± 1% (synchronized)
19. Overload Capability
    ≤ 110%: 60 minutes
    110~125%: 10 minutes
    126~150%: 1 minute

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21. Interface
22. Standard: RS232 x 1, RS485 x 2, SMART slot x 1, Output dry contact x 6

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24. Other Features
25. Parallel Redundancy: Up to 8 units
26. Emergency Power Off: Local and remote
27. SRAM Event Log: 500 records
28. Input Harmonic Improvement: Optional harmonic filter and 12-pulse rectifier

29. ---

30. Efficiency
31. AC-AC
    NT-20K: 90%
    NT-30K/40K: 91%
    NT-50K/60K: 91.5%
    NT-80K/100K: 92%
    NT-120K~200K: 92.5%
    NT-260K~500K: 93%
32. ECO Mode
    NT-20K: > 97%
    NT-30K~500K: > 97.5%

33. ---

34. Environment
35. Operating Temperature: 0~40ºC
36. Relative Humidity: 0~95% (non-condensing)
37. IP Protection: IP20
38. Audible Noise (at 1.5 meters)
    NT-20K~40K: ≤ 60 dB
    NT-50K~120K: ≤ 65 dB
    NT-160K~200K: ≤ 68 dB
    NT-260K~400K: ≤ 72 dB
    NT-500K: ≤ 77 dB

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40. Physical-6pules
41. Dimensions (W x D x H) **
    NT-20K~80K: 600 x 800 x 1400 mm
    NT-100K~120K: 800 x 830 x 1700 mm
    NT-160K~200K: 1200 x 830 x 1700 mm
    NT-260K~400K: 1600 x 995 x 1950 mm
    NT-500K: 1900* x 995 x 1950 mm
42. Weight
    NT-20K: 365 kg
    NT-30K: 365 kg
    NT-40K: 425 kg
    NT-50K: 460 kg
    NT-60K: 506 kg
    NT-80K: 525 kg
    NT-100K: 700 kg
    NT-120K: 745 kg
    NT-160K: 1050 kg
    NT-200K: 1085 kg
    NT-260K: 1680 kg
    NT-320K: 1720 kg
    NT-400K: 1920 kg
    NT-500K: 3110 kg*

43. ---

44. * 500 kVA model is assembled into two cabinets: Inverter (width=1100 mm, 1760 kg) and Rectifier (width=800 mm, 1350 kg).
    
    All specifications are subject to change without prior notice.