The Greenwatt three-phase string inverters are designed for residential and small commercial PV system applications, rating from 3kW to 25kW. All models have unibody housings with aluminum structure which is anodized, increasing durability and effectively prevents corrosion. Equipped with external inductors, the unibody housings can ensure efficient heat dissipation, which significantly improves the reliability and extends the life of the inverters.
Communication implements are via the Wi-Fi module (can be changed to Ethernet / GPRS). Check the system status anytime and anywhere via online portal or APP.
Model :
BNT3K~25KTLType :
On gridMax. Output Power :
3-25KWAC Output Voltage :
Three phase 380/400V, 50/60HzWarranty :
5 YearsCertificate :
CE/TUV/ISO
Advanced Features of Greenwatt 3KW-25KW On Grid Inverter
Wide MPPT Range
Two independent MPPT channels, optimizing energy harvest from multiple PV string orientations
Grid Support & Compliance
Anti-islanding protection, frequency/voltage ride-through, and grid-tie synchronization
Monitoring & Communication
Built-in WiFi, RS485, and Ethernet for real-time data tracking and remote management
LED indicators and optional LCD display for local status check
Protection Ratings
IP65 enclosure for dust/water resistance, suitable for harsh outdoor installations.
Thermal Management
Fan-assisted cooling + natural convection, operating in -25°C to +60°C temperatures
Safety Certifications
Complies with CE standards and includes integrated DC/AC disconnects, surge protection, and automatic fault shutdown
| Technical Data | BNT012KTL | BNT015KTL | BNT020KTL | BNT025KTL |
| PV Input Data | ||||
| Max.DC Power(W) | 18000 | 22500 | 30000 | 37500 |
| Max. DCVoltage (V) | 1100 | 1100 | 1100 | 1100 |
| MPPT Voltage Range(V) | 150-1000 | 150-1000 | 150-1000 | 150-1000 |
| MPPT Ful Power Voltage Range (V) | 500-850 | 500-850 | 500-850 | 500-850 |
| Rated Input Voltage ( V) | 620 | 620 | 620 | 620 |
| Start-up Voltage( V) | 150 | 150 | 150 | 150 |
| Max.Input Current (A) | 15*2 | 20+32 | 32*2 | 32*2 |
| Max.Short Current(A) | 25*2 | 30+48 | 48x2 | 48x2 |
| No. of MPP Tracker / No. of PV String | 2/2 | 2/3 | 2/4 | 2/4 |
| Input Connector Type | MC4 | |||
| AC Output Data | ||||
| Max. Output Power (VA) | 13200 | 16500 | 22000 | 27500 |
| Nominal Output Power(W) | 12000 | 15000 | 20000 | 25000 |
| Max.Output Current(A) | 21.5 | 22 | 32 | 40 |
| Nominal Output Voltage( V) | 3P+N+PE /3P+PE 230/400 | |||
| Grid Voltage Range | 260Vac-519Vac (according to local standard) | |||
| Nominal Output Frequency (Hz) | 50/60 | 50/60 | 50/60 | 50/60 |
| Grid Frequency Range | 45-55Hz/55-65Hz (according to local standard) | |||
| Output Power Factor | 1 default (adjustable from 0.8 leading to 0.8 lagging) | |||
| Output Current THD | <3% | |||
| Efficiency | ||||
| Max. Efficiency | 98.7% | 98.7% | 98.75% | 98.75% |
| Euro Efficiency | 98.23% | 98.23% | 98.35% | 98.35% |
| Protection | ||||
| PV Reverse Polarity Protection | YES | |||
| PV Insulation Resistance Detection | YES | |||
| AC Short Circuit Protection | YES | |||
| AC Over Current Protection | YES | |||
| AC Over Voltage Protection | YES | |||
| Anti-Islanding Protection | YES | |||
| Residual Current Detection | YES | |||
| Over Temperature Protection | YES | |||
| Integrated DC switch | YES | |||
| Surge Protection | Integrated (Type II) | |||
| Smart IV Curve Scaning | YES | |||
| Quick Arc Fault Circuit Interruption | Optional | |||
| General Data | ||||
| Dimensions (WxHxD,mm) | 370x510x192 | 370x510x192 | 370x535x192 | 370x535x192 |
| Weight(kg) | 16 | 17 | 19 | 19 |
| Protection Degree | IP65 | IP65 | IP65 | IP65 |
| Enclosure Material | Aluminum | Aluminum | Aluminum | Aluminum |
| Ambient Temperature Range(℃) | -25 to 60 | -25 to 60 | -25 to 60 | -25 to 60 |
| Humidity Range | 0-100% | 0-100% | 0-100% | 0-100% |
| Topology | Transformerless | Transformerless | Transformerless | Transformerless |
| Communication Interface | RS485/WiFi/Wire Ethernet/ GPRS (optional) | |||
| Cooling Concept | Intelligent Fan Cooling | |||
| Night Power Consumption (W) | <1 | |||
| Max. Operation Altitude (m) | ≤4000 | |||
| Certifications and Standards | ||||
| EMC Standard | EN/IEC 61000-6-2, EN/IEC 61000-6-3, EN61000-3-2, EN61000-3-3, EN61000-3-11,EN61000-3-12 | |||
| Safety Standard | IEC 60068, UL1741, EN62109 | |||
| Grid-connection | IEEE1547, CSA C22, EN50549, VDE4105, VDE0126, RD1699, ABNT NBR16149 & 16150, AS4777.2, NB/T32004, G98/G99, IEC61727 | |||
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