Solis S5-GR3P20K 3-Phase Grid-Tied Inverter With DC Switch, DLS

The Solis S5-GR3P20K is a high-performance 20 kW, three-phase inverter designed for large residential and commercial solar installations. With advanced MPPT, high efficiency, and extensive safety features, it’s built to deliver reliable and optimized solar power. The compact design with IP66 protection and smart connectivity options enables efficient remote monitoring and control.

  • Nominal AC Output Power: Provides 20 kW, ideal for extensive solar applications in residential and commercial setups.
  • High Efficiency: Offers a peak efficiency of 98.7%, ensuring maximum energy conversion.
  • Dual MPPT Trackers: Wide MPPT voltage range (160 – 1000 V) with two trackers for optimal energy capture from solar arrays.
  • Enhanced Safety: Equipped with AFCI, integrated DC switch, and comprehensive protection mechanisms.
  • Smart Connectivity: Supports RS485, Wi-Fi, and GPRS communication, allowing remote control via SolisCloud.

Technical Details

S5-GR3P5K

Solar Energy Input

  • Recommended Max. PV Power: 7.5 kW
  • Max. Input Voltage: 1100 V
  • Rated Voltage: 330 V
  • Start-up Voltage: 180 V
  • MPPT Voltage Range: 160 – 500 V
  • Max. Input Current: 16 A / 16 A
  • Max. Short Circuit Current: 20 A / 20 A
  • MPPT Number / Max. Input Strings: 2 / 2

AC Output (Grid)

  • Rated Output Power: 5 kW
  • Maximum Apparent Output Power: 5.5 kVA
  • Max. Output Power: 5.5 kW
  • Rated Grid Voltage: 3/(N)/PE, 208 V / 220 V / 240 V
  • Rated Grid Frequency: 50 Hz / 60 Hz
  • Rated Grid Output Current: 13.1 A
  • Maximum Output Current: 14.4 A
  • Power Factor: > 0.99 (0.8 leading - 0.8 lagging)
  • THDi: < 2%

Efficiency

  • Maximum Efficiency: 98.0%
  • European Efficiency: 97.5%

Protection

  • DC Reverse-Polarity Protection: Yes
  • Short Circuit Protection: Yes
  • Output Overcurrent Protection: Yes
  • Surge Protection: Yes
  • Grid Monitoring: Yes
  • Anti-Islanding Protection: Yes
  • Temperature Protection: Yes
  • Multi-Peak Scan: Yes
  • Integrated AFCI 2.0: Optional
  • Integrated DC Switch: Yes

General Data

  • Dimensions (W × H × D): 310 × 563 × 219 mm
  • Weight: 17.6 kg
  • Topology: Transformerless
  • Self-Consumption (Night): < 1 W
  • Operating Ambient Temperature Range: -25 ~ +60°C
  • Relative Humidity: 0 - 100%
  • Ingress Protection: IP66
  • Noise Emission: < 30 dB(A)
  • Cooling Concept: Natural cooling
  • Max. Operation Altitude: 4000 m

Communication and Connectivity

  • Communication: RS485, optional Wi-Fi, GPRS
  • Display: LCD
  • DC Connection: MC4 connector
  • AC Connection: Quick connection plug

Certifications and Standards

  • Grid Connection Standard: G99, VDE-AR-N 4105/VDE V 0124, EN 50549-1, VDE 0126/UTE C 15/VFR:2019, RD 1699/RD 244/UNE 206006/UNE 206007-1, CEI 0-21, C10/11, NRS 097-2-1, EIFS 2018.2, IEC 62116, IEC 61727, IEC 60068, IEC 61683, EN 50530
  • Safety/EMC Standard: IEC/EN 62109-1/-2, IEC/EN 61000-6-1/-2/-3/-4

S5-GR3P20K

Solar Energy Input

  • Recommended Max. PV Power: 30 kW
  • Max. Input Voltage: 1100 V
  • Rated Voltage: 600 V
  • Start-up Voltage: 180 V
  • MPPT Voltage Range: 160 – 1000 V
  • Max. Input Current: 32 A / 32 A
  • Max. Short Circuit Current: 40 A / 40 A
  • MPPT Number / Max. Input Strings: 2 / 4

AC Output (Grid)

  • Rated Output Power: 20 kW
  • Maximum Apparent Output Power: 22 kVA
  • Max. Output Power: 22 kW
  • Rated Grid Voltage: 3/N/PE, 220 V / 380 V, 230 V / 400 V
  • Rated Grid Frequency: 50 Hz / 60 Hz
  • Rated Grid Output Current: 30.4 A / 28.9 A
  • Maximum Output Current: 31.8 A
  • Power Factor: > 0.99 (0.8 leading - 0.8 lagging)
  • THDi: < 2%
  • DC Injection Current: < 0.5% In

Efficiency

  • Maximum Efficiency: 98.7%
  • European Efficiency: 98.1%

Protection

  • DC Reverse-Polarity Protection: Yes
  • Short Circuit Protection: Yes
  • Output Overcurrent Protection: Yes
  • Insulation Resistance Monitoring: Yes
  • Residual Current Detection: Yes
  • Surge Protection: Yes
  • Grid Monitoring: Yes
  • Anti-Islanding Protection: Yes
  • Temperature Protection: Yes
  • Integrated AFCI 2.0: Optional
  • Integrated DC Switch: Yes

General Data

  • Dimensions (W × H × D): 310 × 563 × 219 mm
  • Weight: 20.8 kg
  • Topology: Transformerless
  • Self-Consumption (Night): < 1 W
  • Operating Ambient Temperature Range: -25 ~ +60°C
  • Relative Humidity: 0 – 100%
  • Ingress Protection: IP66
  • Noise Emission: < 30 dB(A)
  • Cooling Concept: Intelligent redundant fan-cooling
  • Max. Operation Altitude: 4000 m

Communication and Connectivity

  • Communication: RS485, optional Wi-Fi (S3-WiFi-ST), GPRS (S3-GRPS-ST)
  • Display: LCD
  • DC Connection: MC4 connector
  • AC Connection: Quick connection plug

Certifications and Standards

  • Grid Connection Standard: IEC 61683, IEC 60068, IEC 61727, IEC 62116, EN 50530, IS 16169 / IS 16221(BIS)
  • Safety/EMC Standard: IEC 62109-1/-2, IEC 61000-6-1/-2/-3/-4

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Solis S5-GR3P20K 3-Phase Grid-Tied Inverter With DC Switch, DLS