The Solis S5-GC100K-US-APST is a powerful three-phase string inverter tailored for extensive commercial and industrial solar setups. Featuring 10 MPPTs and a built-in APS rapid shutdown transmitter, it offers exceptional solar energy conversion with a peak efficiency of 98.8%. This inverter ensures dependable performance and sophisticated monitoring for optimal system management.
Key Benefits
10 MPPT Inputs: Maximizes yield across multiple orientations and shading conditions.
Integrated Rapid Shutdown: Comes with APsmart (APST) transmitter for UL 1741 compliance.
High DC/AC Ratio: Supports up to 150% oversizing for flexible design and improved ROI.
Advanced Monitoring: Features string-level monitoring and smart I-V curve scanning.
Outdoor Ready: NEMA 4X/IP66 rated for harsh environments with intelligent fan cooling.
Special Technology
PID Recovery: Integrated Potential Induced Degradation recovery boosts long-term performance.
Safe & Compliant: UL 1741SA, Rule 21, AFCI, and ground fault protection all built-in.
Remote Firmware Upgrades: Simplifies updates and maintenance via Solis monitoring platform.
Warranty
Comes with a standard 10-year manufacturer’s warranty, extendable based on project needs.
Best Uses
Commercial Solar Systems: Ideal for schools, factories, and utility-scale projects.
Multi-Orientation Roofs: Ten independent MPPTs enable design flexibility.
Code-Compliant Projects: Integrated safety meets U.S. grid and rapid shutdown standards.
Specifications
| Specification |
Data |
| Model |
S5-GC100K-US-APST |
| Rated Output Power |
100,000 W |
| Max. Input Voltage |
1000 V |
| MPPT Voltage Range |
180 – 1000 V |
| MPPTs / Strings |
10 MPPT / 20 Strings |
| Max. DC Input Current |
10 × 26 A |
| Max. DC Short-Circuit Current |
10 × 40 A |
| Max. Output Current |
120.3 A |
| Max. Efficiency |
98.8% |
| CEC Efficiency |
98.2% |
| Power Factor |
>0.99 (adjustable 0.8 lead/lag) |
| Cooling |
Redundant intelligent fan |
| Topology |
Transformerless |
| Nighttime Consumption |
< 2 W |
| Dimensions (W × H × D) |
41.9 × 22.3 × 13.6 in |
| Weight |
187 lbs |
| Enclosure Rating |
NEMA 4X / IP66 |
| Operating Temperature |
-22°F to 140°F (-30°C to 60°C) |
| Certifications |
UL 1741, UL 1741SA, Rule 21, IEEE 1547, UL 1699B, FCC |
| Communication |
RS485, Ethernet, Optional Wi-Fi/Cellular |
FAQs
Is the S5-GC100K-US-APST compatible with my solar panels?
Yes, the S5-GC100K-US-APST supports a wide range of PV modules. Your solar installer will assess system voltage and string configuration to ensure optimal compatibility.
Do I need a battery to use the S5-GC100K-US-APST?
No battery is required. This model is a high-capacity grid-tied inverter designed primarily for large commercial solar systems without battery integration.
How do I monitor the performance of the S5-GC100K-US-APST?
This inverter offers remote monitoring via Wi-Fi, Ethernet, or RS485. You can track performance metrics through the SolisCloud platform or compatible apps.
What happens if there is a power outage?
Like most grid-tied inverters, the S5-GC100K-US-APST shuts down during a grid outage for safety reasons, unless connected to a certified backup system with additional components.
How do I maintain the S5-GC100K-US-APST?
Routine maintenance includes checking for error codes, keeping vents clear, and inspecting electrical connections. It’s advisable to have periodic checks performed by a qualified technician.
What is the efficiency of the S5-GC100K-US-APST?
The inverter offers a high maximum efficiency of up to 98.7%, ensuring optimal energy conversion for commercial-scale systems.
What are the input and output voltage ranges?
It supports a DC input voltage range up to 1100V and operates at a 3-phase AC output of 480V. Full electrical specs are detailed in the official Solis datasheet.
What communication protocols does the S5-GC100K-US-APST use?
Standard protocols include RS485 and optional Wi-Fi/Ethernet modules. It’s compatible with external monitoring and data logging systems through Solis accessories.
