| Parameter | 6K |
| Input DC (PV side) | |
| Recommended max. PV array size | 12 kW |
| Max. usable PV input power | 9.6 kW |
| Max. input voltage | 500 V |
| Rated voltage | 330 V |
| Start-up voltage | 90 V |
| MPPT voltage range | 90–435 V |
| Max. input current | 16 A / 16 A |
| Max. short-circuit current | 20 A / 20 A |
| MPPT number / Max. input strings number | 2 / 2 |
| Battery | |
| Battery type / voltage range | Li-ion / Lead-acid; 40–60 V |
| Max. charge / discharge power and current | 6 kW / 135 A |
| Communication | CAN / RS485 |
| Output AC (Grid side) | |
| Rated output power | 6 kW |
| Max. apparent output power | 6 kVA |
| Operation phase | L/N/PE |
| Rated grid voltage / frequency | 220 / 230 V; 50 / 60 Hz |
| Rated / max. grid output current | 27.3 / 26.1 A (at 220 / 230 V) |
| Power factor | > 0.99 (0.8 leading – 0.8 lagging) |
| THDi | < 3% |
| Input AC (Grid side) | |
| Input voltage / frequency range | 187–253 V; 45–55 Hz / 55–65 Hz |
| Max. input current | 40 A |
| Output AC (Back-up) | |
| Rated output power | 6 kW |
| Max. apparent output power | 2 times rated power for 10 s |
| Back-up switch time | < 10 ms |
| Rated output voltage / frequency | L/N/PE, 220 / 230 V; 50 / 60 Hz |
| Rated output current | 27.3 / 26.1 A (at 220 / 230 V) |
| Max. AC passthrough current | 40 A |
| THDv (@ linear load) | < 2% |
| Input Generator | |
| Generator max. input power / current; frequency | 6 kW / 27.3 / 26.1 A; 50 / 60 Hz |
| Efficiency | |
| Max. efficiency / EU efficiency | 96.2% / 96.1% |
| Battery charge / discharge max. efficiency | PV charge: 95.3%; AC charge: 93.9%; discharge to AC: 93.8% |
| Protection | |
| Anti-islanding / ground fault monitoring | Yes / Yes |
| DC reverse-polarity protection | Yes |
| Integrated AFCI 2.0 | Optional |
| Protection class / Overvoltage category | I / II (PV and BAT), III (MAINS, BACKUP and GEN) |
| General Data | |
| Dimensions (W × H × D) | 335 × 560 × 253 mm |
| Weight | 23 kg |
| Topology | High frequency isolation (for battery) |
| Operating ambient temperature range | −25 to +60°C |
| Relative humidity | 0–100% |
| Ingress protection | IP66 |
| Noise emission (typical) | < 65 dB(A) |
| Cooling concept | Natural cooling |
| Max. operation altitude | 3000 m |
| Grid connection standard | NRS 097-2-1, IEC 62116, IEC 61727, IEC 60068, IEC 61683, EN 50530, MEA, PEA, NBR 16149, NBR 16150, G98, CEI 0-21, G99, EN 50549-1, NTS 631 Type A |
| Safety / EMC standard | IEC/EN 62109-1/-2, EN 61000-6-2/-3 |
| Features | |
| DC / AC connection | MC4 plug (PV) / terminal block (battery and AC) |
| Display / communication | 7.0-inch LCD display; Bluetooth + APP; RS485, CAN; optional Wi-Fi, GPRS, LAN |
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