Fox ESS H3 Pro 30kW 3-Phase Hybrid Inverter
The Fox ESS H3 Pro 30kW 3PH Hybrid Inverter is built for three-phase solar and storage systems that need flexible battery integration, remote monitoring and outdoor-ready protection. It suits commercial and industrial projects where the system may need to be expanded later, and where UK expert support is important for design, commissioning and compliance.
Key benefits
- Up to 30kW charge and discharge performance for larger three-phase hybrid systems.
- IP65-rated enclosure for outdoor installation.
- High-voltage battery architecture with app and web portal monitoring.
Brief description
This 3-phase hybrid inverter is designed for PV plus battery applications where flexibility matters. It supports remote monitoring, plug-and-play style installation and parallel expansion, making it suitable for warehouses, logistics sites, commercial roofs and other projects that need dependable three-phase energy management.
Key features
- Hybrid inverter with 3 MPPTs.
- Parallel operation up to 10 units.
- Two battery inputs.
- Built-in EPS output for backup supply.
- Meter, WiFi, optional 4G, DRM, USB, BMS (CAN) and RS485 communication interfaces.
Technical specifications
| Model | H3-Pro-30.0 / AC3-Pro-30.0 |
| Hybrid inverter model | H3-Pro-30.0 |
| AC inverter model | AC3-Pro-30.0 |
| Norminal AC power [VA] | 30000 |
| Max. apparent AC power [VA] | 30000 |
| Rated grid voltage (AC voltage range) [VAC] | 400 / 230 ; 380 / 220 , 3L / N / PE |
| Rated grid frequency [Hz] | 50 / 60 |
| Max. AC current [A] (per phase) | 45.5 |
| Power factor | 1 (Adjustable from 0.8 Leading to 0.8 Lagging) |
| Export control | Yes |
| THDI [%] | <20 |
| Battery type | Lithium Battery |
| Battery voltage [V] | 340 ~ 850 |
| Full AC load battery voltage [V] | 400 / 230 ; 380 / 220 , 3L / N / PE |
| Max. charge/discharge current [A] | 50+50 |
| Number of battery input | 2 |
| Communication interface | CAN |
| Max. recommended DC power [W] | 35000 |
| Max. DC voltage [V] | 1000 |
| Norminal DC operating voltage [V] | 750 |
| Max. input current [A] | 32 |
| Max. short circuit current [A] | 40 |
| MPPT voltage range [V] | 340 ~ 850 |
| MPPT voltage range [V] (full load) | 400 ~ 790 |
| Start-up voltage [V] | 230 |
| No. of MPP trackers | 3 |
| Strings per MPP tracker | 2/2/2 |
| Max. inverter backfeed current to the array | 3 |
| EPS max apparent AC power [VA] | 30000 |
| Peak apparent AC power [VA] (60s) | 36000 |
| Rated output voltage [V] | 400 / 230 ; 380 / 220 , 3L / N / PE |
| Rated grid frequency [Hz] | 50 / 60 |
| EPS max current [A] (per phase) | 45.5 |
| Power factor | 1 (Adjustable from 0.8 Leading to 0.8 Lagging) |
| Parallel operation | Yes @Max10PCS |
| Switch time [ms] | <20 |
| THDV [%] | <3 @Rated Power |
| MPPT efficiency [%] | 99.90 |
| Max. efficiency [%] | 97.80 |
| Max. battery to AC efficiency [%] | 97.60 |
| Max. PV to battery efficiency [%] | 98.10 |
| Euro-efficiency [%] | 97.40 |
| PV reverse polarity protection | YES |
| Battery reverse protection | YES |
| Anti-islanding protection | YES |
| Output short protection | YES |
| Leakage current protection | YES |
| Insulation resistor detection | YES |
| Over voltage category | III (AC Side), II (DC Side) |
| Reverse connect protection | YES |
| Over-current / over-temperature protection | YES |
| AC/DC surge protection | Type II/Type II |
| AFCI protection | Optional |
| DC switch | Optional |
| String monitoring function | Optional |
| Dimension (WxHxD) [mm] | 600560225 |
| Dimension of packing (WxHxD) [mm] | 720680370 |
| Net weight [kg] | 52.5 |
| Gross weight [kg] | 57.5 |
| Installation | Wall-mounted |
| Operating temperature range [°C] | -25 ~ +60 (Derating at 45) |
| Storage temperature [°C] | -40 ~ +70 |
| Noise emission (typical) [dB] | <60 |
| Storage/operation relative humidity [%] | 0 ~ 95 (Without Condensation) |
| Altitude [m] | <4000 |
| Protective class | I |
| Ingress protection | IP65 (for Outdoor Use) |
| Standby consumption [W] | 200 for Hot Standby, 18 for Cold Standby |
| Idle mode | YES |
| Cooling | Smart FAN Cooling |
| Inverter topology | Non-isolated |
| Communication interface | Meter, WIFI, 4G(optional), DRM, USB, BMS(CAN), RS485 |
| LCD display | Backlight 16*4 Character |
| Button | Capacitive Touch Sensor *4 |
| Buzzer | 1, Inside (EPS&Earth Fault) |
| Safety | EN 62109-1, EN 62109-2 |
| EMC | IEC 61000-6-2, IEC 61000-6-3 |
Shipping
Available to the UK, Ireland, Africa, the Caribbean and worldwide. If the shipping rate is not shown at checkout, contact us on +44 2080640335 or info@energian.co.uk for a quote.
UK expert support
UK expert support is available for product questions, system compatibility and installation queries. Contact us by phone, email or live chat, or visit our office for an in-person consultation. Where the product or wider system cannot be used out of the box, we recommend installation and commissioning through trusted partners.