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
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)
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)*
Voltage Harmonic Distortion
≤ 3% (linear load)
Voltage Regulation
± 1% (static)
Frequency
50/60 Hz ± 0.01% (internal oscillator)
Overload Capability
≤ 110%: 60 minutes
Standard
RS232 x 1, RS485 x 2, SMART slot x 1, Output dry contact x 6
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
Operating Temperature
0 ~ 40ºC
Relative Humidity
0 ~ 95% (non-condensing)
Audible Noise (at 1.5 meters)
[20K~40K]: ≤ 60dB
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
Dimensions(WxDxH)
[20K~60K]: 600 x 800 x 1400 mm
[80K]: 830 x 800 x 1700 mm
[100K~160K]: 1200 x 830 x 1700 mm
[200K]: 1400 x 830 x 1700 mm
[260K~400K]: 1600 x 995 x 1950 mm
[500K]: 1900 x 995 x 1950 mm
* Single phase output voltage: 220/230/240 is only for 20 ~ 120 kVA models.
** 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.