Inverter – FoxESS – R100
Product details
R75/R100/R110
R75/R100/R110 is a series of three-phase transformerless FOX ESS inverters designed for commercial installations. Rated output power ranges from 75–110 kW depending on the model, and maximum efficiency reaches 98.6%. The series is compatible with bifacial modules and offers control via Wi-Fi and an app.
Key advantages of R75/R100/R110
- Power and efficiency: rated output power 75–110 kW, maximum efficiency 98.6% and European efficiency 98.2%.
- Compatibility with bifacial modules: maximum input current of 26 A and MPPT operating voltage range of 200–1000 V DC.
- IP66 and C5 protection: operating temperature range from -30 to 60°C and intelligent air cooling.
- Protection and PID Recovery: DC disconnect switch, reverse DC polarity protection, AC overcurrent and short-circuit protection, and type II surge protection on the DC and AC sides.
- Optional monitoring and protection features: AFCI and PV string current monitoring.
- Communication and operation: LED indicator, Wi-Fi with an app and RS485, USB, Wi-Fi+LAN and 4G interfaces.
Who is this a good choice for?
The series is designed for businesses using commercial photovoltaic systems that require a three-phase inverter with a power rating of 75–110 kW. Compatibility with bifacial modules, app-based operation and optional PV string current monitoring meet the needs of users of such systems.
| Parameter | R75 | R100 | R110 |
|---|---|---|---|
| DC input data | |||
| Maximum input voltage (V) | 1100 | ||
| Start-up voltage (V) | 250 | ||
| Operating voltage (V) | 600 | ||
| MPPT operating voltage range at full load (V) | 550 ~ 850 | ||
| MPPT operating voltage range (V DC) | 200 ~ 1000 | ||
| Number of MPPTs | 9/2 | 10/2 | |
| Maximum input current (A) | 26 | ||
| Maximum short-circuit current (A) | 40 | ||
| AC output data | |||
| Rated output power (kW) | 75 | 100 | 110 |
| Maximum apparent power (kVA) | 75*/82,5 | 110 | 121 |
| Maximum output current (A) | 113,7*/119,6 | 166,7 | 175,3 |
| Rated grid voltage (V AC) | 380/400, 3W+N+PE | ||
| Grid voltage range (V AC) | 320 ~ 460 | ||
| Grid frequency range (Hz) | 45 ~ 55 / 55 ~ 65 | ||
| Power factor adjustment range | Adjustable from 0.8 capacitive to 0.8 inductive | ||
| Total harmonic current distortion THDI (%) | <3 | ||
| Efficiency | |||
| Maximum efficiency (%) | 98,6 | ||
| European efficiency (%) | 98,2 | ||
| Protection | |||
| DC disconnector | YES | ||
| DC reverse polarity protection | Yes | ||
| AC overcurrent protection | Yes | ||
| AC short-circuit protection | Yes | ||
| Surge protection | DC Type II / AC Type II | ||
| PID recovery function | Yes | ||
| Insulation resistance monitoring | Yes | ||
| Leakage current monitoring | Yes | ||
| AFCI arc fault protection | Optionally | ||
| PV string current monitoring | Optionally | ||
| Dimensions and weight | |||
| Dimensions (W × H × D) (mm) | 975*630*360 | ||
| Weight (kg) | 90 | ||
| Operating conditions | |||
| Operating temperature range (°C) | -30 ~ 60 | ||
| Cooling | Intelligent Air Cooling | ||
| Working height (m) | 4000 (rated output derating >3000 m) | ||
| Permissible relative humidity range (%) | 0 ~ 100 (non-condensing) | ||
| Degree of protection | IP66 | ||
| General information | |||
| Inverter topology | Transformerless | ||
| Display | LED, Wi-Fi+App | ||
| Communication | RS485 / USB / Wi-Fi+LAN / 4G | ||
| DC connector type | Analogous to MC4 | ||
| AC connector type | Screw connector | ||
| Standards | |||
| Compliance with standards | IEC 62109, IEC 61727, IEC 62116, IEC 60068, IEC 61683, IEC 61000-6-3, EN 50549 | ||
* For the Brazilian market only.

