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Solis S5-GC50K 3-Phase Grid-Tied Inverter With DC Switch, DLS

The Solis S5-GC50K is a powerful 50 kW, three-phase inverter engineered for large-scale commercial solar installations. With 6 MPPTs, advanced safety features, and an efficiency of 98.5%, it optimizes solar energy capture and enhances system reliability. This inverter also supports smart connectivity options, enabling remote monitoring and control through SolisCloud.

  • Nominal AC Output Power: Provides 50 kW, meeting the needs of extensive commercial solar setups.
  • High Efficiency: Achieves a peak efficiency of 98.5%, maximizing energy yield and reducing losses.
  • 6 MPPT Design: Offers flexible configurations with six MPPTs and a wide voltage range, enhancing energy capture.
  • Advanced Protection: Integrated DC switch, AFCI, and PID recovery for robust system safety and longevity.
  • Smart Monitoring: Supports RS485, Wi-Fi, and GPRS for remote monitoring and firmware upgrades, enhancing system management.

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Technical Details

S5-GC50K

Solar Energy Input

  • Max. Input Voltage: 1100 V
  • Rated Voltage: 450 V
  • Start-up Voltage: 195 V
  • MPPT Voltage Range: 180 – 1000 V
  • Max. Input Current: 6 × 32 A
  • Max. Short Circuit Current: 6 × 40 A
  • MPPT Number / Max. Input Strings: 6 / 12

AC Output (Grid)

  • Rated Output Power: 50 kW
  • Maximum Apparent Output Power: 55 kVA
  • Max. Output Power: 55 kW
  • Rated Grid Voltage: 3/(N)/PE, 220 V
  • Rated Grid Frequency: 50 Hz / 60 Hz
  • Rated Grid Output Current: 131.2 A
  • Maximum Output Current: 144.3 A
  • Power Factor: > 0.99 (0.8 leading - 0.8 lagging)
  • THDi: < 3%

Efficiency

  • Maximum Efficiency: 98.5%
  • European Efficiency: 98.1%

Protection

  • DC Reverse-Polarity Protection: Yes
  • Short Circuit Protection: Yes
  • Output Overcurrent Protection: Yes
  • Surge Protection: DC Type II / AC Type II (AC Type I optional)
  • Grid Monitoring: Yes
  • Anti-Islanding Protection: Yes
  • Temperature Protection: Yes
  • Strings Monitoring: Yes
  • I/V Curve Scanning: Yes
  • Integrated AFCI 2.0: Optional
  • Integrated PID Recovery: Optional
  • Integrated DC Switch: Yes
  • Integrated AC Switch: Optional

General Data

  • Dimensions (W × H × D): 1065 × 567 × 344.5 mm
  • Weight: 89 kg
  • Topology: Transformerless
  • Self-Consumption (Night): < 2 W
  • Operating Ambient Temperature Range: -30 ~ +60°C
  • Relative Humidity: 0 – 100%
  • Ingress Protection: IP66
  • Cooling Concept: Intelligent fan-cooling
  • Max. Operation Altitude: 4000 m

Communication and Connectivity

  • Communication: RS485, optional Wi-Fi, GPRS, PLC
  • Display: LCD
  • DC Connection: MC4 connector
  • AC Connection: OT terminal (max. 185 mm²)

Certifications and Standards

  • Grid Connection Standard: IEC 61727, IEC 62116, C10/11, VDE 4105, VDE-AR-N 4110, IEEE 1547
  • Safety/EMC Standard: IEC62109-1/-2, EN61000-6-1/-2/-3/-4, UL1741

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Solis S5-GC50K 3-Phase Grid-Tied Inverter With DC Switch, DLS