FoxESS
FoxESS S3300-G2 String Inverter 3.3kW Single-Phase 1 MPPT AFCI Wi-Fi LAN
FoxESS S3300-G2 String Inverter 3.3kW Single-Phase 1 MPPT AFCI Wi-Fi LAN
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€493.41
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€493.41
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- Italy22% €601.96
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- Belgium21% €597.02
- Bulgaria20% €592.09
- Croatia25% €616.76
- Cyprus19% €587.15
- Czech Republic21% €597.02
- Denmark25% €616.76
- Estonia24% €611.82
- Finland25.5% €619.22
- Greece24% €611.82
- Hungary27% €626.63
- Ireland23% €606.89
- Latvia21% €597.02
- Lithuania21% €597.02
- Luxembourg17% €577.28
- Malta18% €582.22
- Netherlands21% €597.02
- Poland23% €606.89
- Portugal23% €606.89
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- Slovakia23% €606.89
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Delivery in 10-20 daysGrid-TieSingle-phaseFoxESS
FoxESS S3300-G2 String Inverter 3.3kW Single-Phase 1 MPPT AFCI Wi-Fi LAN
The FoxESS S3300-G2 is a 3.3kW single-phase string inverter from the S (G2) series, designed for small grid-connected residential photovoltaic systems. It has a single MPPT tracker with a 50-480V operating range and a maximum PV voltage of 500V, and accepts up to 4950W of photovoltaic modules.
Maximum efficiency is 97.40% (European 96.80%) and night-time consumption stays below 1W. The compact body weighs only 5.4 kg and, with IP65 protection rating and natural convection cooling, it can also be installed outdoors. This version includes AFCI arc fault protection and the WiLAN dongle for monitoring over Wi-Fi and LAN on the FoxESS Cloud app.
Key features
Compact formatJust 290 × 220 × 116 mm for 5.4 kg: easy to install even in tight spaces.
97.40% efficiencyMaximum efficiency of 97.40% and European efficiency of 96.80%, with 99.00% MPPT efficiency.
AFCI protection includedDC arc fault detection, included in this version of the product.
Wi-Fi and LAN monitoringWiLAN dongle included for connection to FoxESS Cloud via Wi-Fi or network cable.
Outdoor installationIP65 protection rating, natural convection cooling and operation from -25 to +60 °C.
Minimal night-time consumptionPower draw below 1W during the night hours.
Technical specifications
| Feature | Value |
|---|---|
| Product code | S3300-G2_AFCI_WILAN |
| Model | S3300-G2 |
| Rated AC power | 3300W |
| Max AC power (apparent) | 3300VA |
| Rated AC current | 14.3A |
| Max AC current | 14.3A |
| Recommended max PV power | 4950W |
| Max PV voltage | 500V |
| Rated PV voltage | 360V |
| Start-up voltage | 60V |
| MPPT range | 50-480V |
| Number of MPPTs | 1 |
| Max current per MPPT | 14A |
| Strings per MPPT | 1 |
| Grid phase | Single-phase |
| Grid voltage | 220 / 230 / 240V |
| Grid frequency | 50/60Hz |
| Power factor | 1 (adjustable from 0.8 leading to 0.8 lagging) |
| Maximum efficiency | 97.40 % |
| European efficiency | 96.80 % |
| MPPT efficiency | 99.00 % |
| Night-time consumption | < 1W |
| AFCI protection | Included in this version |
| DC disconnector | Optional |
| Protection rating | IP65 |
| Cooling | Natural convection |
| Display | LCD with touch keys, app and web portal |
| Communication | WiLAN dongle (Wi-Fi + LAN) included, RS485, meter/CT, ISO alarm, optional 4G |
| Standards | EN 62109-1, EN 62109-2, IEC 61727, IEC 62116, EN 50549-1, VDE V 0126-1-1, ABNT NBR 16149/16150 |
| Operating temperature | -25 ~ +60 °C |
| Dimensions (W×H×D) | 290 × 220 × 116 mm |
| Weight | 5.4 kg |
Documentation
PDFDatasheet S3300-G2_AFCI_WILANOfficial manufacturer documentString sizing must stay within the MPPT voltage and current limits and follow the electrical design of the system. Installation and grid connection must be carried out by qualified personnel in accordance with the applicable standards.