S5-GC(75-125)K-US
Solis S5-GC(75-125)K-US – Three Phase String Inverter
The Solis S5-GC(75-125)K-US is a high-performance string inverter designed for large-scale three-phase commercial rooftop and ground-mounted PV projects. Supporting both 600V and 1000VDC arrays, this inverter delivers superior flexibility and compatibility with today’s larger PV modules.
With its high input current capacity, the system easily accommodates new high-power panels, ensuring optimal power density and performance. Its wide operating voltage range extends daily production hours, boosting overall system yields.
Engineered for seamless integration, the S5-GC(75-125)K-US features optimized DC and AC connection ports, significantly reducing cabling costs. Commissioning and operations are streamlined through advanced monitoring tools and state-of-the-art design, simplifying project management.
Built to endure the harshest environmental conditions, this product line reflects Solis’ global reputation for reliability and quality. It is PVRSS and UL3741 compliant, enabling cost and time savings through safer and more efficient installations.
Ordering Information:
Model: S5-GC(75-125)K-US
For details on integrated rapid shutdown, optimizer options, and technical compatibility, please refer to the datasheet and compatibility list.

Solis Three Phase Grid-Tied Inverter
Leading Features
| Category | Specifications |
|---|---|
| Efficient | • > 1.5 DC/AC ratio • > 1.5 DC/AC ratio • String current up to 16A for higher capacity modules • 8/9/10 MPPTs, max. efficiency 98.8% (CEC efficiency 98.3%) |
| Safe | • Type 4X, C5 Anti-Corrosion Level • Type 4X, C5 Anti-Corrosion Level • External signal control function • Nighttime PID recovery function • AFCI protection, proactively reduces fire risk • High quality components from globally recognized suppliers |
| Smart | • Intelligent string monitoring, smart I-V curve scan • Intelligent string monitoring, smart I-V curve scan • Remote firmware upgrade with simple operation(1) |
| Economic | • DC side supports “Y” connector • DC side supports “Y” connector |
Additional information
| THDi | <3% |
|---|---|
| MPPT | 8/9/10 |
| Real time monitoring | Wi-Fi/Cellular |
| MPPT voltage range | 180-1000V |
| Ingress protection | TYPE 4X |
| App Store | IOS/Android |
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