| Model | 15K | 
| DC Input (PV Side) |  | 
| Recommended Max. PV Array Size | 30 kW | 
| Max. usable PV power | 24 kW | 
| Max. input voltage | 1000 V | 
| Rated voltage | 600 V | 
| Starting voltage | 160 V | 
| MPPT voltage range | 200 - 850 V | 
| Max. input current | 4 × 20 A | 
| Max. short circuit current | 4 × 30 A | 
| MPPT Number / Max. Input Strings | 4 / 4 | 
| Drums |  | 
| Battery Type | Li-ion | 
| Battery voltage range | 120 - 800 V | 
| Max. charge/discharge power | 15 kW | 
| Max. charge/discharge current | 50 A | 
| Communication | CAN / RS485 | 
| AC Output (Mains Side) |  | 
| Rated output power | 15 kW | 
| Max. apparent output power | 15kVA | 
| Nominal mains voltage | 3/N/PE, 220V / 380V, 230V / 400V | 
| Nominal mains frequency | 50Hz / 60Hz | 
| Rated output current | 22.8A / 21.7A | 
| Max. output current | 22.8A / 21.7A | 
| Power factor | > 0.99 (from 0.8 early to 0.8 late) | 
| THDi | < 3% | 
| AC Input (Mains Side) |  | 
| Input voltage range | 304 - 437V / 320 - 460V | 
| Max. input current | 34.2A / 32.5A | 
| Nominal mains frequency | 50Hz / 60Hz | 
| Frequency range | 45 - 55 Hz / 55 - 65 Hz | 
| Input Generator |  | 
| Max. input power | 15 kW | 
| Max. input current | 22.8A / 21.7A | 
| Nominal input frequency | 50Hz / 60Hz | 
| AC Output (Backup) |  | 
| Rated output power | 15 kW | 
| Max. apparent output power | 1.6 times the rated power, 10s | 
| Backup switching time | < 10 ms | 
| Nominal output voltage | 3/N/PE, 220V / 380V, 230V / 400V | 
| Nominal frequency | 50Hz / 60Hz | 
| THDv (@linear load) | < 3% | 
| Efficiency |  | 
| Maximum efficiency | 97.7% | 
| EU efficiency | 97.5% | 
| Max. BAT efficiency (charged by PV) | 98.5% | 
| Max. BAT efficiency (charge/discharge on AC) | 97.2% | 
| Protections |  | 
| Anti-island protection | Yes | 
| Overcurrent protection | Yes | 
| Short circuit protection | Yes | 
| Integrated AFCI | Optional | 
| Built-in DC switch | Yes | 
| DC reverse polarity protection | Yes | 
| PV Surge Protection | Yes | 
| Reverse battery protection | Yes | 
| General Data |  | 
| Max. allowed imbalance (network and back-up) | 100% | 
| Max. power per phase (mains and back-up) | 50% of nominal power | 
| Dimensions (W x H x D) | 563 × 546 × 250 mm | 
| Weight | 35.2 kg | 
| Topology | Without transformer | 
| Self-consumption (night) | < 25W | 
| Operating ambient temperature range | -25 ~ +60°C | 
| Relative humidity | 0 - 95% | 
| Degree of protection | IP66 | 
| Noise emissions (typical) | < 65dB(A) | 
| Cooling system | Intelligent cooling with fan | 
| Max. operating altitude | 2000 m | 
| Standard network connection | EN 50549-1/-10, VDE4105, CEI 0-21, CEI 0-16, NC-RFG TypeB, NRS 097-2-1, LTU-1, G99, PEA | 
| Safety Standards / EMC | IEC/EN 62109-1/-2, IEC/EN 61000-6-1/-2/-3/-4 | 
| Characteristics |  | 
| PV connection | MC4 Connector | 
| Battery Connection | OT Terminal | 
| AC Connection | OT Terminal | 
| Display | 7.0" LCD display & Bluetooth + App | 
| Communication | CAN, RS485, Ethernet, Optional: Wi-Fi, Cellular, LAN |