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GREATSUNPV stocked S5-GC 75–125kW 3P Grid-Tied Solar Inverter
The S5-GC 75–125kW three-phase grid-tied inverter series is designed for commercial and utility-scale photovoltaic systems requiring high efficiency, advanced safety protection, and intelligent monitoring. With up to 98.8% peak efficiency, multiple MPPT channels, and robust Type 4X environmental protection, this inverter delivers reliable performance in demanding outdoor environments.
Brand Name:
SolisType:
Grid-tiedMax. Power:
125KWAC Voltage:
1000VWarranty:
10 yearsIngress Protection:
TYPE 4XDimensions:
41.9 × 22.3 × 13.6 in (1065 × 567 × 344.5 mm)Certification & Safety Standard:
UL1741SB, IEEE 1547-2018, UL1699B, UL1998, FCC Part15 ClassB, California Rule 21, Heco Rule 14H, NEC 690.12-2020, CAN/CSA C22.2107.1-1
GREATSUNPV stocked S5-GC 75–125kW three-phase grid-tied inverter is designed for commercial and utility-scale photovoltaic systems requiring high efficiency, advanced safety protection, and intelligent monitoring. With up to 98.8% peak efficiency, multiple MPPT channels, and robust Type 4X environmental protection, this inverter delivers reliable performance in demanding outdoor environments.
Supporting high DC/AC ratios, intelligent string monitoring, and advanced AFCI fire protection, the system ensures maximum energy harvest while maintaining grid stability and system safety.
* CEC efficiency up to 98.3%
* Power factor > 0.99
* THDi < 3%
* Ensures maximum energy yield and grid-quality output
* Up to 20 string inputs
* MPPT voltage range 180V – 1000V
* Supports DC/AC ratio > 1.5
* Allows flexible system design and improved performance in complex installations
* Integrated AFCI arc fault protection
* Rapid shutdown function
* PID recovery function
* Anti-islanding protection
* Ground fault monitoring
* Designed to proactively reduce fire risks and ensure system compliance with grid and safety standards
* Type 4X enclosure protection
* C5 anti-corrosion rating
* Operating temperature: -30°C to 60°C
* Intelligent fan cooling system
* Ensures reliable operation in harsh outdoor environments
* Intelligent string monitoring
* I-V curve scanning diagnostics
* Remote firmware upgrade support
* RS485 + optional WiFi / Cellular communication
* Reduces O&M cost and improves system management efficiency
Technical Specifications：
| Models | 75K | 80k | 90k | 100K | 125k |
| Input DC | |||||
| Max. input voltage | 1000V | ||||
| Rated voltage | 600V | 720V | |||
| Start-up voltage | 195V | ||||
| MPPT voltage range | 180-1000V | ||||
| Max. input current | 8 × 32 A | 9 × 32 A | 10 × 32 A | ||
| Max. short circuit current | 8 × 50 A | 9 × 50 A | 10 × 50 A | ||
| MPPT number / Max. input strings number | 8 / 16 | 9 / 18 | 10 / 20 | ||
| Output AC | |||||
| Rated output power | 75KW | 80KW | 90KW | 100KW | 125KW |
| Max. apparent output power | 75kVA | 80kVA | 90kVA | 100kVA | 125kVA |
| Max. output power | 75KW | 80KW | 90KW | 100KW | 125KW |
| Rated grid voltage | 3Ф/PE, 480V | ||||
| Rated grid frequency | 60 Hz | ||||
| Max. output current | 90.2 A | 96.2 A | 108.3 A | 120.3 A | 150.4 A |
| Power Factor | > 0.99 (0.8 leading - 0.8 lagging) | ||||
| THDi | < 3% | ||||
| Efficiency | |||||
| Max. efficiency | 98.7% | 98.8% | |||
| CEC efficiency | 98.3% | 98.2% | |||
| General Data | |||||
| Dimensions(W×H×D) | 41.9 × 22.3 × 13.6 in (1065 × 567 × 344.5 mm) | ||||
| Weight | 187 lbs (85 kgs) | 200 lbs (91 kgs) | |||
| Ingress protection | TYPE 4X | ||||
Ideal for factories, warehouses, and commercial buildings requiring high-capacity solar generation and stable grid output.
Supports large distributed PV systems with multi-MPPT architecture and flexible DC configuration.
Type 4X enclosure and anti-corrosion design ensure stable operation in coastal, humid, or dusty environments
Supports high current strings up to 16A, suitable for modern high-power PV modules.
The series covers 75kW to 125kW models, suitable for medium to large commercial PV installations and distributed solar plants.
Yes. It supports string current up to 16A, enabling compatibility with high-capacity PV modules.
It integrates AFCI arc fault protection, rapid shutdown, PID recovery, and multiple electrical protections to reduce fire risks and improve system stability.
Yes. It supports intelligent monitoring, remote firmware upgrades, and optional wireless communication modules.
Yes. With Type 4X enclosure and anti-corrosion design, it is engineered for harsh outdoor environments.
For more information on this product or to place an order, please contact us：
Email: info@greatsunpv.com
whatsapp: +86 189 1960 5188
Web: www.guruidepv.com
Copyright @ Hefei Guruide New Energy Technology Co., Ltd. 
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