3KW 5KW 7.5KW 10KW 20KW 30KW Off Grid Three Phase Inverter
Professional R & D Team
We are a focus on manufacture of off-grid inverters team with professional R&D capabilities.
Strict Quality Control
We have strict quality control to ensure that each inverter passes the aging quality test before delivery.
Assured Service
We offer after-sales video guide maintenance,response within 24 hours.
- DM
- shandong, China
- 15 days
- 100pcs/month
- Information
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1.using IGBT from Mitsubishi company as the power components
2. using American ATEMEL company microprocessor as figure controller
3. perfect protection and warning functions
4. circuit frame compact, Max. Efficiency≥90%
5. with wide input voltage range
6. RS232/485/WIFI/GPRS communication.
7. Tough screen English LCD, perfect display, interface-friendly
3KW Off Grid Three Phase Inverter Technical Parameters
Type | NB48-3KSZ | NB96-3KSZ | NB120-3KSZ | NB240-3KSZ | ||
DC input | Input rated voltage | 48 VDC | 96 VDC | 120 VDC | 240 VDC | |
Input rated current | 69 A | 35 A | 28 A | 14 A | ||
Input DC voltage range | 40-62VDC | 80-124 VDC | 100-155 VDC | 200-310 VDC | ||
AC input (AC Bypass) | Allow input voltage range | 220 VAC / 380 VAC / 400 VAC± 15% VAC | ||||
Input rated current | 8A / 4.5 A / 4.3 A | |||||
Bypass transfer time | ≤40 ms （Can be customized ≤ 4ms version） | |||||
AC output | Output rated power | 3KW | ||||
Output rated voltage and frequency | 220 VAC / 380 VAC / 400 VAC，50Hz / 60Hz | |||||
Output rated current | 8A / 4.5 A / 4.3 A | |||||
Output voltage accuracy | 220 VAC / 380 VAC / 400 VAC ± 1% | |||||
Output frequency accuracy | 50Hz / 60Hz ± 0.05% | |||||
Waveform distortion (THD). | ≤3% (Linear load) | |||||
Dynamic response time | 2ms | |||||
Power factor (PF) | 1 | |||||
Overload capacity | 120％,5 minutes；200%,3 seconds | |||||
Crest factor (CF) | 3:1 | |||||
Inverter efficiency | 94% | |||||
Working Environment | Dielectric strength | 1500VAC,1minute | ||||
Noise (1m) | ≤50dB | |||||
Ambient temperature | -20℃~+60℃ | |||||
Humidity | 0~90%, No condensation | |||||
Altitude | ＜6000m Higher than 2000m rated power should be reduced | |||||
Pure Sine Wave | Yes | |||||
Equipped with isolated copper transformer | Yes | |||||
Communication mode | RS485,Wifi,GPRS,Ethernet (Modbus RTU protocol) | |||||
Solar Charger | Optional, available | |||||
AC Charger | Optional, available | |||||
Generator Port | Optional, available | |||||
Production function | Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection | |||||
Product Size | 400*660*800mm | |||||
Weight | 100kg | |||||
5KW Off Grid Three Phase Inverter Technical Parameters
Type | NB48-5KSZ | NB96-5KSZ | NB120-5KSZ | NB240-5KSZ | |
DC input | Input rated voltage | 48 VDC | 96 VDC | 120 VDC | 240 VDC |
Input rated current | 116 A | 58 A | 46 A | 23 A | |
Input DC voltage range | 40-62VDC | 80-124 VDC | 100-155 VDC | 200-310 VDC | |
AC input (AC Bypass) | Allow input voltage range | 220 VAC / 380 VAC / 400 VAC± 15% VAC | |||
Input rated current | 14A / 8 A / 7.5A | ||||
Bypass transfer time | ≤ 40ms （Can be customized ≤ 4ms version） | ||||
AC output | Output rated power | 5KW | |||
Output rated voltage and frequency | 220 VAC / 380 VAC / 400 VAC，50Hz / 60Hz | ||||
Output rated current | 14A / 8 A / 7.5A | ||||
Output voltage accuracy | 220 VAC / 380 VAC / 400 VAC ± 1% | ||||
Output frequency accuracy | 50Hz / 60Hz ± 0.05% | ||||
Waveform distortion (THD). | ≤3% (Linear load) | ||||
Dynamic response time | 2ms | ||||
Power factor (PF) | 1 | ||||
Overload capacity | 120％,5 minutes；200%,3 seconds | ||||
Crest factor (CF) | 3:1 | ||||
Inverter efficiency | 94% | ||||
Working Environment | Dielectric strength | 1500VAC,1minute | |||
Noise (1m) | 0≤50dB | ||||
Ambient temperature | -20℃~+60℃ | ||||
Humidity | 0~90%, No condensation | ||||
Altitude | ＜6000m Higher than 2000m rated power should be reduced | ||||
Pure Sine Wave | Yes | ||||
Equipped with isolated copper transformer | Yes | ||||
Communication mode | RS485,Wifi,GPRS,Ethernet (Modbus RTU protocol) | ||||
Solar Charger | Optional, available | ||||
AC Charger | Optional, available | ||||
Generator Port | Optional, available | ||||
Production function | Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection | ||||
Product Size | 400*660*800mm | ||||
Weight | 120kg | ||||
7.5KW Off Grid Three Phase Inverter Technical Parameters
Type | NB48-7.5KSZ | NB96-7.5KSZ | NB120-7.5KSZ | NB240-7.5KSZ | ||
DC input | Input rated voltage | 48 VDC | 96 VDC | 120 VDC | 240 VDC | |
Input rated current | 174 A | 87 A | 69 A | 35 A | ||
Input DC voltage range | 40-62VDC | 80-124 VDC | 100-155 VDC | 200-310 VDC | ||
AC input (AC Bypass) | Allow input voltage range | 220 VAC / 380 VAC / 400 VAC ± 15% VAC | ||||
Input rated current | 21A / 11.5A / 10.5A | |||||
Bypass transfer time | ≤40ms （Can be customized ≤4ms version） | |||||
AC output | Output rated power | 7.5KW | ||||
Output rated voltage and frequency | 220 VAC / 380 VAC / 400 VAC，50Hz / 60Hz | |||||
Output rated current | 21A / 11.5A / 10.5A | |||||
Output voltage accuracy | 220 VAC / 380 VAC / 400 VAC ± 1% | |||||
Output frequency accuracy | 50Hz / 60Hz ± 0.05% | |||||
Waveform distortion (THD). | ≤3% (Linear load) | |||||
Dynamic response time | 2ms | |||||
Power factor (PF) | 1 | |||||
Overload capacity | 120％,5 minutes；200%,3 seconds | |||||
Crest factor (CF) | 3:1 | |||||
Inverter efficiency | 94% | |||||
Working Environment | Dielectric strength | 1500VAC,1minute | ||||
Noise (1m) | ≤50dB | |||||
Ambient temperature | -20℃~+60℃ | |||||
Humidity | 0~90%, No condensation | |||||
Altitude | ＜6000m Higher than 2000m rated power should be reduced | |||||
Production function | Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection | |||||
Pure Sine Wave | Yes | |||||
Equipped with copper transformer | Yes | |||||
Communication mode | RS485,Wifi,GPRS,Ethernet (Modbus RTU protocol) | |||||
Solar Charger | Optional, available | |||||
AC Charger | Optional, available | |||||
Generator Port | Optional, available | |||||
Size(mm) | 550*480*1200mm | |||||
Weight(kg) | 150kg | |||||
10KW Off Grid Three Phase Inverter Technical Parameters
Type | NB48-10KSZ | NB96-10KSZ | NB120-10KSZ | NB240-10KSZ | |
DC input | Input rated voltage | 48 VDC | 96 VDC | 120 VDC | 240 VDC |
Input rated current | 231 A | 116 A | 93 A | 46 A | |
Input DC voltage allowing range | 40-62VDC | 80-124 VDC | 100-155 VDC | 200-310 VDC | |
AC Input (AC bypass) | Allow input voltage range | 220 VAC / 380 VAC / 400 VAC± 15% VAC | |||
Input rated current | 28A / 15A / 14.5A | ||||
Bypass transfer time | ≤40ms （Can be customized ≤ 4ms version） | ||||
AC output | Output rated power | 10KW | |||
Output rated voltage and frequency | 220 VAC / 380 VAC / 400 VAC，50Hz / 60Hz | ||||
Output rated current | 28A / 15A / 14.5A | ||||
Output voltage accuracy | 220 VAC / 380 VAC / 400 VAC ± 1% | ||||
Output frequency accuracy | 50Hz / 60Hz ± 0.05% | ||||
Wave Form | Pure sine wave (Isolation transformer) | ||||
Waveform distortion (THD). | ≤3% (Linear load) | ||||
Power factor (PF) | 1 | ||||
Overload capacity | 120％,5 minutes；200%,3 seconds | ||||
Crest factor (CF) | 3:1 | ||||
Inverter efficiency | ＞94% | ||||
Working Environment | Dielectric strength | 1500VAC,1 minute | |||
Noise (1m) | ≤50dB | ||||
Ambient temperature | -20℃~+60℃ | ||||
Humidity | 0~90%, No condensation | ||||
Altitude | ＜6000m Higher than 2000m rated power should be reduced | ||||
Production function | Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection | ||||
Pure Sine Wave | Yes | ||||
Equipped with copper transformer | Yes | ||||
Communication mode | RS485,Wifi,GPRS,Ethernet (Modbus RTU protocol) | ||||
Solar Charger | Optional, available | ||||
AC Charger | Optional, available | ||||
Generator Port | Optional, available | ||||
Size(mm) | 450×830×1100 mm | ||||
Weight(kg) | 180 kg | ||||
20KW Off Grid Three Phase Inverter Technical Parameters
Type | NB48-20KSZ | NB96-20KSZ | NB120-20KSZ | NB240-20KSZ | |
DC input | Input rated voltage | 48 VDC | 96 VDC | 120 VDC | 240 VDC |
Input rated current | 463 A | 231 A | 185 A | 93 A | |
Input DC voltage range | 40-62VDC | 80-124 VDC | 100-155 VDC | 200-310 VDC | |
AC input (AC Bypass) | Allow input voltage range | 220 VAC / 380 VAC / 400 VAC ± 15% VAC | |||
Input rated current | 55.5A / 30A / 29A | ||||
Bypass transfer time | ≤100ms （Can be customized ≤4ms version） | ||||
AC output | Output rated power | 20KW | |||
Output rated voltage and frequency | 220 VAC / 380 VAC / 400 VAC ，50Hz / 60Hz | ||||
Output rated current | 55.5A / 30A / 29A | ||||
Output voltage accuracy | 220 VAC / 380 VAC / 400 VAC ±2% | ||||
Output frequency accuracy | 50Hz / 60Hz ± 0.05% | ||||
Waveform distortion (THD). | ≤3% (Linear load) | ||||
Dynamic response time | 2ms | ||||
Power factor (PF) | 1 | ||||
Overload capacity | 120％,5 minutes；200%,3 seconds | ||||
Crest factor (CF) | 3:1 | ||||
Inverter efficiency | 94% | ||||
Working Environment | Dielectric strength | 1500VAC,1minute | |||
Noise (1m) | ≤50dB | ||||
Ambient temperature | -20℃~+60℃ | ||||
Humidity | 0~90%, No condensation | ||||
Altitude | ＜6000m Higher than 2000m rated power should be reduced | ||||
Production function | Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection | ||||
Pure Sine Wave | Yes | ||||
Equipped with copper transformer | Yes | ||||
Communication mode | RS485,Wifi,GPRS,Ethernet (Modbus RTU protocol) | ||||
Solar Charger | Optional, available | ||||
AC Charger | Optional, available | ||||
Generator Port | Optional, available | ||||
Size(mm) | 520×1160×1350 mm | ||||
Weight(kg) | 280 kg | ||||
30KW Off Grid Three Phase Inverter Technical Parameters
Type | NB120-30KSZ | NB240-30KSZ | NB380-30KSZ | |
DC input | Input rated voltage | 120 VDC | 240 VDC | 380 VDC |
Input rated current | 278A | 139 A | 88 A | |
Input DC voltage range | 100-155 VDC | 200-310 VDC | 320-496VDC | |
AC input (AC Bypass) | Allow input voltage range | 220 VAC / 380 VAC / 400 VAC ± 15% VAC | ||
Input rated current | 83A / 45.5A / 43.5 A | |||
Bypass transfer time | ≤100ms（Can be customized ≤4ms version） | |||
AC output | Output rated power | 30KW | ||
Output rated voltage and frequency | 220 VAC / 380 VAC / 400 VAC ，50Hz / 60Hz | |||
Output rated current | 83A / 45.5A / 43.5 A | |||
Output voltage accuracy | 220 VAC / 380 VAC / 400 VAC ± 1% | |||
Output frequency accuracy | 50Hz / 60Hz ±0.05% | |||
Waveform distortion (THD). | ≤3% (Linear load) | |||
Dynamic response time | 2ms | |||
Power factor (PF) | 1 | |||
Overload capacity | 120％,5 minutes；200%,3 seconds | |||
Crest factor (CF) | 3:1 | |||
Inverter efficiency | 94% | |||
Working Environment | Dielectric strength | 1500VAC,1minute | ||
Noise (1m) | ≤50dB | |||
Ambient temperature | -20℃~+60℃ | |||
Humidity | 0~90%, No condensation | |||
Altitude | ＜6000m （Higher than 2000m rated power should be reduced） | |||
Production function | Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection | |||
Pure Sine Wave | Yes | |||
Equipped with copper transformer | Yes | |||
Communication mode | RS485,Wifi,GPRS,Ethernet (Modbus RTU protocol) | |||
Solar Charger | Optional, available | |||
AC Charger | Optional, available | |||
Generator Port | Optional, available | |||
Size(mm) | 660*1300*1600mm | |||
Weight(kg) | 360kg | |||
