| Datasheet | WIT 8K-HU | WIT 10K-HU | WIT 12K-HU | WIT 15K-HU |
| Input data (PV) |
Max. recommended PV power
(for module STC) | 12800W | 16000W | 19200W | 24000W |
| Max. input voltage | 1000V |
| Start voltage | 180V |
| Nominal voltage | 600V |
| MPPT voltage range | 150V-850V |
| Max. input current per MPP tracker | 20A | 40A |
| Max. short-circuit current per MPP tracker | 25A | 50A |
| No. of PV strings per MPP tracker | 1 | 2/1 |
| No. of MPP trackers | 2 | 2 |
| Battery data (DC) |
| Battery type | Lead‐acid or Lithium‐ion |
| Battery voltage range/Rated voltage | 40‐60V/51.2V |
| Max charging and discharging current | 200A | 220A | 250A | 290A |
| BMS communication | RS485/CAN | | | |
| Backup power (AC) |
| Rated AC output power | 8000W | 10000W | 12000W | 15000W |
| Max. AC apparent power | 2 time of rated power, 10s |
| Rated AC output voltage | 220V/380V, 230V/400V |
| Nominal AC output frequency | 50/60Hz |
| Max. output current | 24.2A@220V | 30.3A@220V | 36.4A@220V | 45.5A@220V |
| 23.2A@230V | 29A@230V | 34.8A@230V | 43.4A@230V |
| THDv | 3% (Linear load) |
| Load unbalance | 100% three-phase unbalanced |
| On/off grid transfer time | 10ms |
| Efficiency |
| Max. efficiency | 97.60% |
| European efficiency | 97.00% |
| MPPT efficiency | 99.90% |
| Protection devices |
| PV reverse polarity protection | Yes |
| DC switch | Yes |
| DC/AC surge protection | Type II/Type III |
| Insulation resistance monitoring | Yes |
| Residual-current monitoring unit | Yes |
| AC short-circuit protection | Yes |
| Ground fault monitoring | Yes |
| Grid monitoring | Yes |
| Strings monitoring | Yes |
| Anti-islanding protection | Yes |
| PID protection | Opt |
| AFCI function | Opt |
| General |
| Dimensions (W / H / D) | 475/698/240mm |
| Weight | 43kg |
| Operating temperature range | –30°C … +60°C (> 45°C, derating) |
| Noise | ≤50dB(A) |
| Relative humidity | 0~100% |
| Altitude | 3000m |
| Topology | Transformerless |
| Cooling | Smart air cooling |
| IP degree | IP66 |
| Display | OLED/LED+APP |
| Interfaces꞉ RS485/USB | Yes |
| Interfaces꞉ WIFI/LAN | Yes |
| Warranty (5/10 years) | Yes/Opt |
| IEC62109, EC 61000, IEC 61727, EC 62116, IEC 61683, IEC 60068, EN 50549, VDE 4105 |
