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
NT-20K : 20kVA / 16kW
NT-30K : 30kVA / 24kW
NT-40K : 40kVA / 32kW
NT-50K : 50kVA / 40kW
NT-60K : 60kVA / 48kW
NT-80K : 80kVA / 64kW
NT-100K : 100kVA / 80kW
NT-120K : 120kVA / 96kW
NT-160K : 160kVA / 128kW
NT-200K : 200kVA / 160kW
NT-260K : 260kVA / 208kW
NT-320K : 320kVA / 256kW
NT-400K : 400kVA / 320kW
NT-500K : 500kVA / 400kW
Input
Nominal Voltage 208/120, 380/220, 400/230, 415/240, 480/277 Vac (3 phase, 4-wire + G)
Voltage Range 305~499 Vac
Current Harmonic Distortion < 3% (with optional power filter, full load)
Frequency 45~65Hz
Output
Voltage
208/120, 380/220, 400/230, 415/240, 480/277 Vac (3 phase, 4-wire + G)
220, 230, 240 Vac (1 phase, 2-wire + G)*
Output Power Factor 0.8
Voltage Harmonic Distortion ≤ 3% (linear load)
Voltage Regulation ± 1% (static)
Frequency
50/60 Hz ± 0.01% (internal 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%
[30~500K]: > 97.5%
Environment
Operating Temperature 0 ~ 40ºC
Relative Humidity 0 ~ 95% (non-condensing)
IP Protection IP20
Audible Noise (at 1.5 meters)
[20K~40K]: ≤ 60dB
[50K~120K]: ≤ 65dB
[160K~200K]: ≤ 68dB
[260K~400K]: ≤ 72dB
[500K]: ≤ 77dB
Physical-6pules
Dimensions(WxDxH) **
[20K~80K]: 600 x 800 x 1400 mm
[100K~120K]: 800 x 830 x 1700 mm
[160K~200K]: 1200 x 830 x 1700 mm
[260K~400K]: 1600 x 995 x 1950 mm
[500K]: 1900* x 995 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]: 3110 kg*
* 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.