Sungrow SG125HX Multi-MPPT String Inverter
Sungrow SG125HX Multi-MPPT String Inverter
The Sungrow SG125HX is a powerful 1500 Vdc string inverter built for utility-scale solar plants. With 6 MPPTs, 99% efficiency, smart monitoring, and PID recovery, it offers high yield, robust safety, and long-lasting performance.
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The Sungrow SG125HX is a next-generation multi-MPPT string inverter designed for large-scale solar projects. With 125 kVA output power, it delivers exceptional energy yield thanks to its 99% maximum efficiency and compatibility with bifacial modules.
Engineered for reliability, the SG125HX features anti-PID and PID recovery functions, Type II DC & Type I+II AC surge protection, and a fuse-free design for maximum safety. Its IP66 and C5 protection rating ensures durability even in harsh environments, while smart forced air cooling allows operation up to 60°C.
This inverter simplifies operations with touch-free commissioning, remote firmware upgrades, and smart IV curve diagnosis, making maintenance efficient and cost-effective. With its robust safety standards and flexible grid support functions, the SG125HX is the ideal choice for utility-scale solar farms and large commercial installations.
Specifications
| Feature | Details |
|---|---|
| Inverter Capacity | 125 kVA @ 40°C / 113.6 kVA @ 50°C |
| Max. PV Input Voltage | 1500 V |
| MPP Voltage Range | 500 V – 1500 V |
| Nominal PV Voltage | 1160 V |
| Number of MPPTs | 6 MPPTs, 2 strings per input |
| Max. PV Input Current | 30 A × 6 |
| Max. DC Short-Circuit Current | 50 A × 6 |
| Max. Efficiency | 99.0% (European Efficiency: 98.7%) |
| Nominal AC Voltage | 800 V (3 / PE) |
| AC Voltage Range | 680 – 880 V |
| Protection Features | Anti-PID & PID recovery, Type II DC SPD, Type I+II AC SPD, DC/AC short-circuit protection, leakage current monitoring |
| Operating Temperature | –30°C to +60°C |
| Ingress Protection | IP66, C5 protection |
| Cooling | Smart forced air cooling |
| Dimensions / Weight | 916 × 690 × 340 mm / 75 kg |