Internal Reference:
S5-GR3P20K
The Solis S5-GR3P20K is a 20kW three-phase string inverter, a reliable choice for residential and small commercial PV plants. It offers 98.7% max. efficiency, over 150% DC/AC ratio, export power control, AFCI protection, 24-hour load consumption monitoring, adaptive weak-grid operation and IP66 protection.
Technical Specifications
| Models | 12K | 15K | 17K | 20K |
| Input DC | ||||
| Recommended max. PV power | 18 kW | 22.5 kW | 25.5 kW | 30 kW |
| Max. input voltage | 1100 V | |||
| Rated voltage | 600 V | |||
| Start-up voltage | 160 V | |||
| MPPT voltage range | 160 - 1000 V | |||
| Max. input current | 32 A / 21 A | 42 A / 32 A | ||
| Max. short circuit current | 40 A / 26.3 A | 52.5 A / 40 A | ||
| MPPT number / Max. input strings number | 2 / 3 | 2 / 4 | ||
| Output AC | ||||
| Rated output power | 12 kW | 15 kW | 17 kW | 20 kW |
| Max. apparent output power | 12 kVA | 15 kVA | 17 kVA | 20 kVA |
| Max. output power | 12 kW | 15 kW | 17 kW | 20 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 | 18.2 A / 17.3 A | 22.8 A / 21.7 A | 25.8 A / 24.6 A | 30.4 A / 28.9 A |
| Max. output current | 18.2 A / 17.3 A | 22.8 A / 21.7 A | 25.8 A / 24.6 A | 30.4 A / 28.9 A |
| Power factor | > 0.99 (0.8 leading - 0.8 lagging) | |||
| THDi | < 3% | |||
| Efficiency | ||||
| Max. efficiency | 98.5% | 98.6% | 98.7% | |
| EU efficiency | 97.9% | 98.0% | 98.1% | |
| Protection | ||||
| DC reverse-polarity protection | Yes | |||
| Short circuit protection | Yes | |||
| Output over current protection | Yes | |||
| Surge protection | Yes | |||
| Grid monitoring | Yes | |||
| Anti-islanding protection | Yes | |||
| Temperature protection | Yes | |||
| I/V Curve scanning | Yes | |||
| Multi peak scan | Yes | |||
| Integrated AFCI 2.0 | Optional | |||
| Integrated DC switch | Yes | |||
| General Data | ||||
| Dimensions (W × H × D) | 310 × 518 × 219 mm | |||
| Weight | 19 kg | 20.7 kg | ||
| Topology | Transformerless | |||
| Self-consumption (night) | < 1 W | |||
| Operating ambient temperature range | -25 ~ +60°C | |||
| Relative humidity | 0 - 100% | |||
| Ingress protection | IP66 | |||
| Noise emission (typical) | < 40 dB(A) | < 50 dB(A) | ||
| Cooling concept | Natural cooling with internal fan | Intelligent fan-cooling | ||
| Max. operation altitude | 4000 m | |||
| 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, TOR, 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 | |||
| Features | ||||
| DC connection | MC4 connector | |||
| AC connection | Quick connection plug | |||
| Display | LCD | |||
| Communication | RS485, Optional: Wi-Fi, GPRS | |||