Solis S5-GC50K 50kW Three Phase PV Inverter
Solis S5-GC50K 50kW Three Phase PV Inverter
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Description
Overview
The Solis S5-GC50K is a 50kW three-phase grid-tied string inverter from the Solis S5-GC(50-70)K series, for PV on a 3/N/PE 230/400V, 50Hz grid. The series covers 50kW to 70kW models.
Five MPPTs with up to 10 strings and up to 66.5kW of PV allow 150%+ DC oversizing. Export power control is supported, and the inverter registers on SolisCloud for remote upgrade and control.
Key Features
High PV Input Capability
- Five MPPTs and up to 10 strings, 32A input and 40A short-circuit current per MPPT
- Up to 66.5kW of PV with an 1100V maximum DC input and 195V start-up voltage
- Wide 180–1000V MPPT operating range
Efficient & Robust
- 98.7% maximum efficiency and 98.3% CEC efficiency
- IP66 enclosure with C5 anti-corrosion rating and intelligent redundant fan cooling
- -25 to +60°C operation up to 4000m, night self-consumption below 1W
Protection
- Integrated AFCI (activation required) with DC and AC Type II surge protection
- Reverse polarity, short-circuit, output over-current, anti-islanding and temperature protection
- Night time PID recovery and PV2 DC switch available as options
Monitoring & Control
- Intelligent string monitoring and smart I-V curve scanning
- Night SVG and export power control
- RS485 and USB, with optional Wi-Fi, GPRS or PLC; LCD with capacitive touch buttons
Installation & Design
- 83.6A rated grid current
- MC4 DC connectors, OT AC terminal up to 70mm², aluminium wire access supported
- 54.5kg, 691 x 578 x 338mm housing
Specifications
| Model | S5-GC50K |
|---|---|
| Type | Three Phase Grid-Tied PV String Inverter |
| Topology | Transformerless |
| AC phases | Three |
| Country of manufacture | China |
| Maximum PV array power | 66.5 kW |
| Maximum PV input voltage | 1100 V |
| Nominal PV input voltage | 600 V |
| MPPT voltage range | 180 – 1000 V |
| PV start-up voltage | 195 V |
| Maximum PV input current per MPPT | 32 A |
| Maximum PV short-circuit current per MPPT | 40 A |
| Number of MPPTs | 5 |
| Number of PV string inputs | 10 |
| PV connection | MC4 |
| Nominal AC output power | 50 kW |
| Nominal AC apparent power | 50 kVA |
| Maximum AC apparent power | 50 kVA |
| Nominal AC output voltage | 230/400 V |
| Nominal AC output frequency | 50 Hz |
| Nominal AC output current | 83.6 A |
| Maximum AC output current | 83.6 A |
| Power factor (adjustable range) | > 0.99 (0.8 leading - 0.8 lagging) |
| Total harmonic distortion (THD) | < 3 % |
| Maximum AC output power | 50 kW |
| Maximum efficiency | 98.7 % |
| CEC efficiency | 98.3 % |
| Standby / night consumption | < 1 W |
| Anti-islanding protection | Yes |
| Reverse polarity protection | Yes |
| Short-circuit protection | Yes |
| AC output over-current protection | Yes |
| Surge protection (SPD) | DC Type II / AC Type II |
| Integrated DC switch | Optional (PV2 switch) |
| Arc-fault protection (AFCI) | Yes (activation required) |
| Grid monitoring | Yes |
| String monitoring | Yes |
| I-V curve scan | Yes |
| PID recovery | Optional |
| Over-temperature protection | Yes |
| Communication interfaces | RS485 / USB / Wi-Fi (optional) / GPRS (optional) / PLC (optional) |
| Wi-Fi | Optional |
| USB | Yes |
| Display | LCD, capacitive touch buttons |
| Operating temperature | -25 – 60 °C |
| Maximum relative humidity | 100 % |
| Maximum altitude | 4000 m |
| Protection rating (IP) | IP66 |
| Dimensions (W × H × D) | 691 × 578 × 338 mm |
| Weight | 54.5 kg |
| Cooling | Intelligent redundant fan-cooling |
| AC connection | OT terminal (max. 70 mm²) |
| Safety standards | IEC 62109-1 / IEC 62109-2 |
| EMC standards | IEC 61000-6-2 / IEC 61000-6-4 |
| Grid-connection standards | AS/NZS 4777.2:2020 / IEC 62116 / IEC 61727 / IEC 60068 / IEC 61683 / EN 50530 |
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