Brand: Fox ESS
Product code: AEI-00680
Fox ESS 75.0kW R Series 3PH 9x MPPT Grid-Tied Inverter (BTO)
- 75 kW
- Three phase
- 9 MPPT
- 1100
- 1100
- 26
Fox ESS R75 75kW three-phase grid-tied inverter for commercial installations.
£2,640.29 inc. VAT
£2,200.24 exc. VAT
Out of stock
The Fox ESS R75 is a 75kW three-phase grid-tied PV inverter designed for commercial and large residential installations. It offers nine MPPT trackers with dual input ports for flexible array configuration, achieving a maximum efficiency of 98.6% and European efficiency of 98.2%. The inverter operates across a wide DC voltage window (250–1100V) and manages up to 26A input current from solar arrays of up to 60kW. It includes PID recovery to maintain panel efficiency over time and optional AFCI arc protection. The weatherproof IP66-rated aluminium enclosure supports outdoor installation with natural smart air cooling, making it suitable for commercial rooftops and ground-mounted arrays. Remote monitoring integrates through WiFi, LAN, 4G/GPRS and USB connectivity, and it is compatible with Fox ESS monitoring apps and web portals.
Specifications
Electrical
| Rated Output Power | 75 kW |
|---|---|
| Max. Output Apparent Power | 82.5 kVA |
| Max. Output Current | 119.6 A |
| Rated Grid Voltage | 380/400 V 3W+N+PE |
| Grid Voltage Range | 320–460 V AC |
| Max. Input Voltage | 1100 V DC |
| Start-up Input Voltage | 250 V DC |
| MPPT Operating Voltage Range (Full Load) | 550–850 V DC |
| Max. Input Current | 26 A DC |
| Max. Short-Circuit Current | 40 A DC |
| Number of MPPT Trackers | 9 (2 input ports) |
Performance
| Max. Efficiency | 98.6% |
|---|---|
| European Efficiency | 98.2% |
| THDi | <3% |
| Grid Frequency Range | 45–55 / 55–65 Hz |
Protection
| DC Reverse Polarity Protection | Yes |
|---|---|
| AC Overcurrent Protection | Yes |
| AC Short-circuit Protection | Yes |
| PID Recovery | Yes |
| Surge Protection | DC Type II / AC Type II |
| AFCI | Optional |
Mechanical
| Dimensions (W×H×D) | 975×630×360 mm |
|---|---|
| Weight | 90 kg |
| Ingress Protection Rating | IP66 |
| Cooling Method | Smart Air Cooling |
General
| Operating Temperature Range | −30 to +60 °C |
|---|---|
| Isolation Method | Transformerless |
| Communication | RS485 / USB / WiFi+LAN / 4G |
| Operating Altitude | 4000 (derating above 3000m) m |
| Rated output | 75 kW |
| Phases | Three phase |
| MPPT trackers | 9 MPPT |
| Inverter Mppt Vmax | 1100 |
| Inverter Dc Vmax | 1100 |
| Inverter Mppt Imax | 26 |
Documents and datasheets
Datasheets
R75 — Datasheet
PDF · 493 kB
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