Fox ESS R100 100kW R Series Three-Phase 9-MPPT Commercial Grid-Tied Inverter
The Fox ESS R100 (part number FE-R-100.0) is a 100 kW three-phase, 9-MPPT commercial grid-tied inverter from the Fox ESS R Series. Designed for large-scale commercial PV installations, the R100 delivers 100 kW rated output across 9 independent MPPT trackers with support for 13 A or 16 A input current per string. It features IP66 and C5 corrosion protection for demanding installation environments, PV string current monitoring, Arc Fault Circuit Interrupter (AFCI) function, PID recovery, and built-in WiFi with app-based monitoring. Compatible with bifacial modules. Part of the R Series range covering 75 kW to 110 kW. This is a built-to-order (BTO) product. Available from DECO Group, a UK-based solar trade wholesaler.
Key Technical Details
- Part number: FE-R-100.0
- Supplier part number: R100
- Model: R100
- Inverter type: Three-phase commercial grid-tied
- Rated output power: 100,000 W
- MPPT quantity: 9
- Input current per string: 13 A / 16 A
- Ingress protection: IP66
- Corrosion protection: C5
- Weight: 90 kg
Key Features
- 9 independent MPPT trackers for maximum design flexibility across large commercial roof arrays
- 100 kW rated output for commercial-scale PV installations
- IP66 and C5 corrosion protection for harsh and coastal installation environments
- PV string current monitoring for individual string-level fault detection
- Integrated AFCI (Arc Fault Circuit Interrupter) function for proactive fire risk reduction
- PID (Potential Induced Degradation) recovery function to maintain panel performance over time
- Compatible with bifacial solar modules at 13 A or 16 A input current per string
- Built-in WiFi with LED display and app-based monitoring
- Part of the R Series range covering 75 kW to 110 kW
- Built-to-order (BTO) product
System Compatibility
- Part of the Fox ESS R Series three-phase commercial grid-tied range (75 kW to 110 kW)
- Compatible with high-efficiency and bifacial solar modules
- 9 MPPT inputs for flexible string design across large or complex commercial arrays
Protection Features
- PV string current monitoring
- Arc Fault Circuit Interrupter (AFCI) function
- PID recovery
- IP66 ingress protection
- C5 corrosion protection
Certifications and Compliance
Installation Notes
- At 90 kg, mechanical lifting equipment or a multi-person team is required for installation
- IP66 and C5 rated for outdoor installation in harsh and corrosive environments
- This is a built-to-order (BTO) product; contact DECO Group for availability and lead times
- Must be installed by a qualified electrician or technician in compliance with local wiring regulations
Warranty
- Standard warranty: 5 years
- Extended warranty: 10 years when the installation is registered with Fox ESS online
Common Questions
Click a question below to reveal the answer.
How many MPPT inputs does the Fox ESS R100 have?
The R100 has 9 independent MPPT trackers for flexible string design across large commercial roof arrays.
Is the Fox ESS R100 suitable for coastal installations?
Yes. The R100 features IP66 ingress protection and C5 corrosion protection, making it suitable for harsh environments including coastal and industrial sites.
Is the Fox ESS R100 available from stock?
The R100 is a built-to-order (BTO) product. Contact DECO Group for current availability and lead times.
What is the difference between the Fox ESS R75 and R100?
Both share the same R Series platform with 9 MPPT trackers, IP66/C5 protection, AFCI, PID recovery, and WiFi monitoring. The R100 delivers 100 kW rated output versus 75 kW on the R75.
DECO Group supplies Fox ESS R Series commercial grid-tied inverters alongside three-phase monitoring equipment, metering hardware, and system accessories. Browse our Fox ESS commercial inverter catalogue for complete large-scale PV system components.
About DECO Group
We supply Fox ESS commercial-scale inverters, residential hybrid systems, and battery storage to professional solar installers and electrical contractors across the UK. Our R Series range covers three-phase commercial grid-tied inverters from 75 kW to 110 kW. Contact our commercial team for project-specific support or visit decogroup.co.uk.
