NT Series 15-100 kVA (480V)

Features & Benefits

• Parallel redundancy without requiring extra hardware to increase reliability.

• Built-in isolation transformer protects user equipment.

• 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.

• Parallel expansion as your business grows and consequently saves initial investment.

• Wide input voltage range extends battery lifetime.

• 12-pulse SCR rectifier and full-bridge Inverter design.

• Common battery installation saves initial investment.

Applications

Specifications

1. Model
2. NT-15K / NT-30K / NT-60K / NT-100K

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4. Power Rating
5. NT-15K: 15 kVA / 13.5 kW
   NT-30K: 30 kVA / 27 kW
   NT-60K: 60 kVA / 54 kW
   NT-100K: 100 kVA / 90 kW

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7. Input
8. Nominal Voltage: 480 V (3 phase, 4-wire+G)
9. Voltage Range: ± 20%
10. Nominal Frequency: 50/60 Hz
11. Frequency Range: ± 5%
12. Nominal Current
    NT-15K: 25 A
    NT-30K: 50 A
    NT-60K: 97 A
    NT-100K: 160 A

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14. Output
15. Nominal Voltage: 208/120 V (3Æ4W+G)
16. T.H.D.(with linear load): ≤ 3%
17. Voltage Regulation:
    static: ± 1%; dynamic: ± 5%
18. Inverter Overload Capability
    110%: 60 min
    125%: 10 min
    150%: 1 min
19. Nominal Frequency: 50/60 Hz
20. Frequency Regulation
    with internal oscillator: ± 0.01%
    with mains synchronize: 1%
21. Static Switch Overload Current
    30 minutes: 120%
    30 milliseconds: 1000%
22. Transfer Time: 0

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24. Alarm
25. Load on Battery: Discontinuous alarm
26. UPS Abnormal: Continuous alarm

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28. Interface
29. LED Status Indication
    UPS status indication: AC mains normal, reserve source normal, rectifier, inverter, static switch, and battery status indication
30. LCD Display
    UPS abnormal status display and self-diagnosis wisely
    Input, bypass, inverter, output & battery voltage, current and frequency, load level display

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32. Remote
33. Monitor
    Multi-unit monitor, graphic display, and history data statistics
34. Control
    Inverter/horns remote control, password setting, fault information reading, and remote alarm

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36. Function
37. Communication Interface
    Standard: RS232, RS485, Status Dry Contact
    Option: SNMP, Ethernet Port
38. Parallel Redundant: Yes (up to 8 UPS)
39. Emergency Power Off: Yes (Local and Remote)
40. Multi-speed Fan Speed Control: Yes
41. SRAM Fault Sequence Memory: Yes
42. Programmable Parameter Setting: Yes
43. Battery Start Function: Yes
44. Input Harmonic Improvement: 12-pulse rectifier

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46. Environment
    Ambient Temperature: 0~40ºC
    Relative Humidity: 90% (non-condensing)
    Operating Elevation: 0~2000 meters (0~6060 ft)

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48. Audible Noise (at 1.5 meters)
    NT-15K/30K: ≤ 60 dB
    NT-60K/100K: ≤ 65 dB

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50. Physical
51. Dimensions (W x D x H)
    NT-15K/30K: 600 x 800 x 1400 mm
    NT-60K: 800 x 830 x 1700 mm
    NT-100K: 1200 x 830 x 1700 mm
52. Weight
    NT-15K: 402 kg
    NT-30K: 502 kg
    NT-60K: 762 kg
    NT-100K: 1125 kg

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54. All specifications are subject to change without prior notice.