Solis S5-GR3P5K 5kW Three-Phase 2-MPPT Grid-Tied Inverter
The Solis S5-GR3P5K (part number SOL-S5-GR3P-5K-DC) is a 5 kW three-phase, 2-MPPT grid-tied string inverter from the Solis S5 GR3P series. Part of the S5-GR3P(3-20)K range, it features 2 MPPT trackers with 2 string inputs at 16 A per string, a recommended maximum PV input of 7.5 kW (150% DC/AC ratio), and a maximum efficiency of 98.3% (97.9% EU efficiency). With a maximum output of 5.5 kW, integrated AFCI protection, IP66 ingress protection, and SolisCloud remote monitoring capability, the S5-GR3P5K is a compact three-phase inverter for smaller residential PV systems. G98/G99 certified. Available from DECO Group, a UK-based solar trade wholesaler.
Key Technical Details
- Part number: SOL-S5-GR3P-5K-DC
- Supplier part number: S5-GR3P5K
- Inverter type: Three-phase grid-tied string inverter
- Rated AC output power: 5 kW
- Maximum apparent output power: 5.5 kVA
- Maximum output current: 7.9 A
- Rated grid voltage: 3/N/PE, 220 V / 380 V, 230 V / 400 V
- Rated grid frequency: 50 / 60 Hz
- Maximum efficiency: 98.3%
- EU efficiency: 97.9%
- Transformer: None (transformerless)
- Recommended maximum PV power: 7.5 kW
- Maximum DC input voltage: 1,100 V
- Rated DC voltage: 600 V
- MPPT voltage range: 160 V to 1,000 V
- DC startup voltage: 180 V
- DC shutdown voltage: 160 V
- Maximum DC input current: 32 A total (16 A / 16 A per MPPT)
- MPPT quantity: 2
- Maximum string inputs: 2 (1 per MPPT)
- Connector: MC4 (4 included)
- Integrated DC switch: Yes
- AFCI: Yes (integrated DC arc-fault circuit protection)
- Surge protection: Type II (DC and AC)
- DC reverse polarity protection: Yes
- Communication: RS485; optional WiFi, GPRS
- Ingress protection: IP66
- Dimensions: 310 x 563 x 219 mm (W x H x D)
- Weight: 17.2 kg
Key Features
- 5 kW rated output with 5.5 kW maximum and 7.5 kW recommended PV input
- 2 MPPT trackers with 2 string inputs for split-array flexibility
- 98.3% maximum efficiency and 97.9% EU efficiency
- Integrated AFCI protection for proactive DC arc-fault fire risk reduction
- IP66 rated for dependable outdoor installation
- Compact and lightweight at 17.2 kg
- Export power control support with compatible accessories
- SolisCloud ready for remote monitoring
System Compatibility
- Part of the Solis S5-GR3P(3-20)K series
- MC4 DC connectors; AC quick connection plug
- Extended warranty available: SOL-WAR-10Y-S5-GR3PK or SOL-WAR-20Y-S5-GR3PK
Certifications and Compliance
- G98 / G99
- G100
- EN 50549
- NRS 097-2-1
- CE certified
Installation Notes
- At 17.2 kg, single-person installation is feasible
- IP66 rated for indoor or outdoor installation
- Must be installed by a qualified electrician or technician
Warranty
- Standard warranty: 5 years (10 years standard in the Netherlands, Belgium, France, Germany, Poland, and Italy)
- Extended warranty: extendable to 10 years or 20 years
Common Questions
Click a question below to reveal the answer.
Where does the 5kW sit in the Solis GR3P range?
The 5 kW is the smallest model in the GR3P range with the same 2 MPPT / 2 string architecture as the 6, 8, and 10 kW models. All share the same 310 x 563 x 219 mm compact enclosure. The 12/15/20 kW models step up to 4 string inputs.
Does the Solis S5-GR3P5K include monitoring equipment?
No. Data logger, CT, meter, and export power manager are sold separately.
Can I extend the warranty?
Yes. The standard 5-year warranty (10 years in selected EU countries) can be extended to 10 or 20 years.
About Solis
Ginlong Solis, established in 2005, is an internationally recognised manufacturer of solar inverters for residential, commercial, and utility-scale applications.
DECO Group supplies Solis grid-tied inverters across the full S5-GR3P range from 3 kW to 20 kW. Visit decogroup.co.uk for the full catalogue.
About DECO Group
We supply Solis inverters and system accessories to professional solar installers and electrical contractors across the UK. Visit decogroup.co.uk for the full catalogue.
