| Models | 215K-PLUS | 250K | 250K-PLUS | 255K | 255K-PLUS |
| Input DC |
| Max. input voltage | 1500 V |
| Rated voltage | 1080 V |
| Start-up voltage | 500 V |
| MPPT voltage range | 480 - 1500 V |
| Max. input current | 9 × 30 A | 14 × 26 A | 12 × 30 A | 14 × 26 A | 12 × 30 A |
| Max. short circuit current | 9 × 50 A | 14 × 40 A | 12 × 50 A | 14 × 40 A | 12 × 50 A |
| MPPT number / Max. input strings number | 9 / 18 | 14 / 28 | 12 / 24 | 14 / 28 | 12 / 24 |
| Output AC |
| Output power | 215 kVA | 250 kVA | 255 kVA |
| Rated grid voltage | 3/PE, 800 V |
| Grid voltage range | 640 - 920 V |
| Rated grid frequency | 50 Hz / 60 Hz |
| Max. output current | 155.2 A | 180.4 A | 184.0 A |
| Power factor | > 0.99 (0.8 leading - 0.8 lagging) |
| THDi | < 3% |
| DC injection current | < 0.5% In |
| Efficiency |
| Max. efficiency | 99.0% |
| EU efficiency | 98.8% | 98.7% | 98.8% | 98.7% | 98.8% |
| Protection |
| DC reverse-polarity protection | Yes |
| Short circuit protection | Yes |
| Output over current protection | Yes |
| Insulation resistance monitoring | Yes |
| Residual current detection | Yes |
| Surge protection | DC Type II / AC Type II |
| Grid monitoring | Yes |
| Anti-islanding protection | Yes |
| Temperature protection | Yes |
| Strings monitoring | Yes |
| I/V Curve scanning | Yes |
| Night time SVG function | Yes |
| Integrated PID recovery | Yes |
| Integrated DC switch | Yes |
| General Data |
| Dimensions (W × H × D) | 1125 × 770 × 384 mm |
| Weight | 109 kg | 113 kg |
| Topology | Transformerless |
| Self-consumption (night) | < 2 W |
| Operating ambient temperature range | - 30 ~ +60°C |
| Relative humidity | 0 - 100% |
| Ingress protection | IP66 |
| Noise emission (typical) | ≤ 80 dB(A) |
| Cooling concept | Intelligent fan-cooling |
| Max. operation altitude | 4000 m |
| Grid connection standard | EN50549, G99, AS4777.2, VDE0126, IEC61727, VDE4110, CEA 2019 |
| Safety / EMC standard | IEC/EN 62109-1/-2, IEC/EN 61000-6-2/-4 |
| Features |
| DC connection | MC4 connector |
| AC connection | OT terminal (max. 300 mm²) |
| Display | LCD |
| Communication | RS485, Optional: PLC |
