Inverter – FoxESS – T15-G3-GD470
Product details
T(G3)
T(G3) is a series of three-phase inverters rated at 3–25 kW, designed for residential and small commercial installations. A low startup voltage, wide voltage range and maximum efficiency of 98.6% support system performance. Remote monitoring allows users to track its operation in real time via a smartphone app or web portal.
Key benefits of T(G3)
- Power 3–25 kW depending on the model, for three-phase installations.
- Maximum efficiency 98.6% and low start-up voltage and a wide voltage range.
- Expandable with FoxESS energy storage — requires an additional FoxESS device.
- IP65 protection rating and the option of outdoor installation.
- Remote real-time monitoring using a smartphone app or web portal.
Who is this a good choice for?
T(G3) is an option for households with three-phase installations and businesses using small commercial installations. The power range allows users to select a model suited to their installation, while remote monitoring makes it easier to track its performance. The series also meets the needs of users planning to add FoxESS energy storage, provided an additional FoxESS device is used.
| Parameter | Value |
|---|---|
| Model | FoxESS T15-G3 |
| Maximum recommended DC power | 22500 W |
| Maximum DC voltage | 1100 V |
| Nominal DC operating voltage | 600 V |
| Maximum input current A/B | 28/28 A |
| Maximum short-circuit current A/B | 36.4/36.4 A |
| MPPT voltage range | 140–1000 V |
| MPPT range at full load | 275–850 V |
| Start-up voltage | 140 V |
| Number of MPPT points | 2 |
| Number of inputs per MPPT | 2+2 |
| Rated AC output power | 15000 W |
| Maximum AC apparent power | 16500 VA |
| Nominal grid voltage | 3/N/PE, 220/380 V, 230/400 V, 240/415 V |
| Rated grid frequency | 50/60 Hz, ±5 Hz |
| Rated AC current | 21.7 A |
| Maximum AC current | 23.9 A |
| Power factor | 1; adjustable from 0.8 leading to 0.8 lagging |
| THD | <3% |
| MPPT efficiency | 99,8% |
| European efficiency | 97,8% |
| Maximum efficiency | 98,6% |
| Surge protection | Type II DC / Type II AC |
| Anti-islanding protection | Yes |
| DC reverse polarity protection | Yes |
| Insulation resistance monitoring | Yes |
| AC short-circuit protection | Yes |
| AC overcurrent protection | Yes |
| Thermal protection | Yes |
| Built-in DC disconnect switch | Yes |
| AFCI protection | Yes |
| Dimensions according to the manufacturer's datasheet | 480 × 370 × 183.5 mm |
| Weight | 20 kg |
| Cooling | Forced convection (fans) |
| Degree of protection | IP65 |
| Topology | Transformerless |
| Noise level | <55 dB |
| Operating temperature | −25 to +60°C; power derating at +45°C |
| Storage temperature | −40 to +70°C |
| Maximum working height | 3000 m |
| Humidity | 0–100%, non-condensing |
| Night-time self-consumption | <3 W |
| Display | LCD, touch button, app, website |

