| Model | NBG-175KTL-HO | NBG-225KTL-HO | |
| Number of MPPT channels | 12 | 12 | |
| Rated output power | 175KW | 225KW | |
| Maximum output power | 200KW | 250KW | |
| Maximum output current | 144.3A | 178.6A | |
| Maximum efficiency | 99% | ||
| Dimension, D x W x H (mm) | 1055*700*336mm | ||
| Net Weight (kgs) | 110kg | ||
| input parameter | |||
| Maximum input voltage | 1500VDC | ||
| MPPT voltage range | 600-1500V | ||
| Floating Charge Voltagerange | 880V-1200V | ||
| Maximum number of MPPT access strings per channel | 2 | ||
| Maximum input current of each MPPT | 26A | ||
| Output parameters (AC) | |||
| Rated voltage | 800VDC | ||
| AC voltage range | 640V-920V | ||
| Rated grid frequency | 50/60Hz | ||
| Grid frequency range | 45-65Hz | ||
| Power factor | 08 lead ~ 0.8 lag | ||
| Total current harmonic distortion rate | <3% (rated power) | ||
| Grid connection system | 3W+PE | ||
| Structural parameters | |||
| Degree of protection | IP66 | ||
| topological structure | without transformer | ||
| Operating temperature range | -25-+60°C | ||
| Operating humidity range | 0-100% | ||
| Operating humidity range | forced air cooling | ||
| Maximum working altitude | 4000m (>3000m derating) | ||
| Display | APP+ Bluetooth | ||
| Communication | RS485/PLC | ||
| Noise | ≤60db | ||
| Comply with standards | EN62109-1,EN621092,NB/T32004-2018,GB/T19964-2012 | ||
| Protection function | |||
| Island protection | YES | ||
| Low voltage ride through | YES | ||
| DC reverse connection protection | YES | ||
| AC short circuit protection | YES | ||
| Leakage current protection | YES | ||
| Power grid monitoring | YES | ||
| DC switch | YES | ||
| String detection | YES | ||
| Surge protection | DC level 2 lightning arrester / AC Level 2 lightning arrester | ||
