Solis S6-GC100K 100kW Three-Phase 10-MPPT Commercial Grid-Tied Inverter
The Solis S6-GC100K (part number SOL-S6-GC100K) is a 100 kW three-phase, 10-MPPT commercial and industrial grid-tied string inverter. Part of the S6-GC(80-125)K series, it features 10 MPPT trackers with 20 string inputs at up to 21 A per string, support for greater than 150% DC/AC ratio, and a maximum efficiency of 98.7% (98.3% EU efficiency). With a maximum output of 110 kW and a maximum PV DC input of 150 kW, it is designed for commercial rooftop, industrial, utility-scale, and agricultural PV systems. The S6-GC100K includes AI-based AFCI protection, real-time PV grounding detection, intelligent I-V curve scanning, IP66 ingress protection, and dual independent RS485 ports. Supports master-slave export power control with up to 10 units in parallel. G99 certified. Available from DECO Group, a UK-based solar trade wholesaler.
Key Technical Details
- Part number: SOL-S6-GC100K
- Manufacturer model: S6-GC100K
- Inverter type: Three-phase C&I grid-tied string inverter
- Rated AC output power: 100 kW
- Maximum output power: 110 kW
- Maximum apparent output power: 110 kVA
- Rated grid voltage: 3/N/PE, 220 V / 380 V, 230 V / 400 V
- Rated grid frequency: 50 / 60 Hz
- Rated grid output current: 152.0 A / 144.3 A
- Maximum output current: 167.1 A
- Power factor: greater than 0.99 (0.8 leading to 0.8 lagging)
- THDi: less than 3%
- Maximum efficiency: 98.7%
- EU efficiency: 98.3%
- Transformer: None (transformerless)
- Maximum PV DC input power: 150 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
- Maximum input current: 5 x (42 A / 36 A)
- Maximum short-circuit current: 10 x 50 A
- MPPT quantity: 10
- Maximum string inputs: 20 (2 per MPPT)
- Maximum input current per string: 21 A
- DC/AC ratio: greater than 150%
- Integrated DC switch: Yes
- Integrated AC switch: Optional
- Integrated EPM function: Optional (up to 10 devices)
- AFCI 2.0: Optional (AI-based)
- PID recovery: Optional
- Surge protection: Type II (DC and AC)
- Strings monitoring: Yes
- I-V curve scanning: Yes
- Night SVG function: Yes
- Communication: RS485 (dual independent); optional WiFi, GPRS, PLC
- Display: LCD
- DC connection: MC4
- AC connection: OT terminal (max 240 mm²)
- Cooling: Intelligent fan-cooling
- Ingress protection: IP66
- Operating ambient temperature: -30°C to +60°C
- Relative humidity: 0% to 100%
- Maximum operating altitude: 4,000 m
- Self-consumption (night): less than 2 W
- Dimensions: 1,014 x 567 x 345 mm (W x H x D)
- Weight: 96 kg
Key Features
- 100 kW rated output with 110 kW maximum and support for greater than 150% DC/AC oversizing
- 10 MPPT trackers with 20 string inputs for maximum design flexibility
- Up to 21 A per string, compatible with high-power 182 mm and 210 mm PV modules
- 98.7% maximum efficiency and 98.3% EU efficiency
- AI-based millisecond arc protection (AFCI 2.0, optional)
- Real-time PV grounding detection and protection
- Intelligent I-V curve scanning and strings monitoring for smart diagnostics
- IP66 ingress protection for outdoor installation
- Dual independent RS485 ports for third-party integration
- Master-slave export power control with up to 10 units in parallel
- Supports single and multiple genset applications without an external genset controller
- SolisCloud ready for remote monitoring, diagnostics, and firmware upgrades
- Night SVG function
- Optional integrated EPM, PID recovery, and AC switch
System Compatibility
- Part of the Solis S6-GC(80-125)K three-phase C&I inverter series
- MC4 DC connectors; OT terminal AC connection (max 240 mm²)
- Optional export power meter: METER-3PH-CT3
- Optional WiFi/LAN logger: S2-WL-ST-USB
- Optional PLC communication
- EPM still required for the S6-GC(80-125)K range (UK installations)
- Extended warranty available: SOL-WAR-10Y-S6-GC80-125K (10-year extension)
Protection Features
- AI-based AFCI 2.0 (optional)
- Real-time PV grounding detection and protection
- Strings monitoring
- DC reverse polarity protection
- DC short-circuit protection
- Output overcurrent protection
- Surge protection: Type II (DC and AC)
- Anti-islanding protection
- Temperature protection
- Arc fault and RSD co-operation (optional)
- IP66 ingress protection
Certifications and Compliance
- G99
- IEC 61727
- EN 50549-1/2
- VDE 4110
- IEC/EN 62109-1/2 (Safety)
- IEC/EN 61000-6-2/4 (EMC)
- NRS 097-2-1
- CE certified
Included Components
- 1 x Solis S6-GC100K inverter
- 1 x Mounting bracket
- 2 x Fastening screws
- 20 x DC connectors
- 1 x User manual
Installation Notes
- At 96 kg, a minimum of two people are required for safe handling and mounting
- IP66 rated for indoor or outdoor installation
- Install vertically or with a slight backward tilt up to 15 degrees
- Maintain at least 500 mm clearance between inverters and 1,000 mm above for ventilation
- Avoid direct sunlight where possible to reduce thermal derating
- Do not install in flammable or explosive atmospheres
- Inverter surface can exceed 75°C during operation
- For startup: AC ON first, then DC ON. For shutdown: Grid Off, then AC OFF, then DC OFF
- Must be installed by a qualified electrician or competent commercial solar installer
Warranty
- Standard warranty: 5 years
- Extended warranty: available up to 20 years (SOL-WAR-10Y-S6-GC80-125K for 10-year extension)
Common Questions
Click a question below to reveal the answer.
How many MPPT inputs does the Solis S6-GC100K have?
The S6-GC100K has 10 MPPT trackers with 20 string inputs (2 strings per MPPT), supporting up to 21 A per string.
What is the difference between the Solis S6 100kW and 125kW?
Both share the same S6-GC(80-125)K platform with 10 MPPTs, 20 strings, identical dimensions (1,014 x 567 x 345 mm), and the same 98.7% max efficiency. The 100 kW has a rated output of 100 kW with 110 kW maximum, while the 125 kW delivers 125 kW rated and maximum. The 100 kW accepts up to 150 kW DC input.
Does the Solis S6-GC100K include monitoring equipment?
No. Monitoring, export power control, and communications accessories are sold separately. Use the METER-3PH-CT3 for export power management and the S2-WL-ST-USB for WiFi/LAN connectivity. An EPM is still required for UK installations.
Can multiple Solis S6-GC100K inverters be installed in parallel?
Yes. The S6-GC100K supports master-slave export power control with up to 10 units in parallel.
What are the dimensions and weight of the Solis S6-GC100K?
The S6-GC100K measures 1,014 x 567 x 345 mm (W x H x D) and weighs 96 kg. A minimum of two people are required for handling.
About Solis
Ginlong Solis, established in 2005, is an internationally recognised manufacturer of solar inverters for residential, commercial, and utility-scale applications. Designed by a global R&D team of professors and specialists from eight countries, Solis inverters are engineered for high efficiency, wide input voltage ranges, and precise MPPT performance.
DECO Group supplies Solis commercial and industrial grid-tied inverters alongside compatible monitoring accessories, export power meters, extended warranty packages, and communication modules. Browse our commercial inverter catalogue for the full Solis C&I range from 80 kW to 150 kW.
About DECO Group
We supply Solis commercial-scale inverters, monitoring hardware, and system accessories to professional solar installers and electrical contractors across the UK. Our Solis C&I range covers the S6-GC(80-125)K series and the S6-GC150K. Contact our commercial team or visit decogroup.co.uk for project-specific support.
