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Kehua SPI50K-B is a 3-phase on-grid inverter with 50 kW capacity, featuring four MPPTs and a maximum efficiency of 99%. Three-level topology and industrial-grade components ensure high energy yield and long service life in an IP65-rated enclosure.
Kehua SPI50K-B is a 50 kW 3-phase on-grid inverter designed for larger photovoltaic installations. Four MPPTs (three strings per input) with a voltage range of 300–1000 V allow for flexible array design, while the three-level topology ensures maximum efficiency up to 99%. The IP65-rated enclosure and industrial-grade components guarantee reliable outdoor operation and long device lifespan.
| Rated output power | 50 kW |
| Max. output power | 55 kW |
| Inverter type | on-grid, 3-phase |
| Number of MPPTs | 4 |
| Max. PV input voltage | 1100 V |
| Rated PV voltage | 600 V |
| MPPT voltage range | 300–1000 V |
| Startup voltage | 300 V |
| Max. current per MPPT | 30 A |
| AC output voltage | 380/400/415 V (3-phase) |
| Rated output current | 75.9 A |
| Max. output current | 79.4 A |
| Max. efficiency | 99% |
| European efficiency | 98.4% |
| Cooling | smart forced air |
| Noise level | < 65 dB |
| Protection degree | IP65 |
| Operating temperature | -25~+60°C |
| Dimensions (W×H×D) | 600×860×294 mm |
| Weight | 68 kg |
Kehua SPI50K-B — 3-phase on-grid inverter 50 kW — B2B wholesale prices for installers and EPC companies. Check availability and terms of cooperation: contact us.
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