Inverter – FoxESS – H3 PRO – 25.0 – hybrid – HV
| Manufacturer | |
|---|---|
| Rated power | |
| Power supply | |
| Hybrid device | |
| MPPT | |
| Warranty | |
| Net width | |
| Net depth | |
| Net height | |
| CAN | |
| RS485 | |
| SPD Type II | |
| AFCI | |
| MPPT voltage range | |
| Maximum input current per MPPT [A] | |
| Maximum input power [W] | |
| European efficiency | |
| Weight | 63,4 kg |
| CN | 85044086 |
Product details
| Manufacturer | |
|---|---|
| Rated power | |
| Power supply | |
| Hybrid device | |
| MPPT | |
| Warranty | |
| Net width | |
| Net depth | |
| Net height | |
| CAN | |
| RS485 | |
| SPD Type II | |
| AFCI | |
| MPPT voltage range | |
| Maximum input current per MPPT [A] | |
| Maximum input power [W] | |
| European efficiency | |
| Weight | 63,4 kg |
| CN | 85044086 |
Three-phase Hybrid Inverter FoxESS H3 PRO 25.0
The FOX ESS H3 PRO series of three-phase hybrid AC inverters/chargers are advanced solutions designed for efficient energy management in photovoltaic systems. Able to operate with high-voltage batteries and offering flexible configuration and scalability, they enable optimal use of generated power, cost savings, and reliable performance under varying grid conditions.
Key features of the H3 PRO Series:
- AC output power ranging from 15 kW to 30 kW, suited to a wide range of installation needs.
- Supports parallel connection of up to 10 inverters, enabling expansion to large energy storage capacities.
- Compatible with high-voltage lithium iron phosphate (LFP) batteries in the voltage range 150–800 V.
- High efficiency—up to 97.80% (max) and 99.90% (MPPT)—for optimal energy utilization.
- IP65 protection rating allows outdoor installation in a variety of environmental conditions.
- Remote system monitoring via a mobile app or web portal, providing full control of the installation.
Who is this a good choice for?
The H3 PRO series inverters are an ideal choice for homeowners, commercial and industrial buildings seeking an efficient and flexible solar energy management solution. Their scalability, high efficiency, energy storage capability, and remote monitoring make them well suited to optimizing energy use, increasing energy independence, and reducing electricity bills.
| Parameter | H3-Pro-15.0 | H3-Pro-20.0 | H3-Pro-22.0 | H3-Pro-24.9 | H3-Pro-25.0 | H3-Pro-29.9 | H3-Pro-30.0 |
|---|---|---|---|---|---|---|---|
| PV INPUT (HYBRID INVERTERS ONLY) | |||||||
| Maximum Input Power [W] | 22500 | 30000 | 33000 | 37500 | 37500 | 45000 | 45000 |
| Maximum Input Voltage [V] | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
| Nominal Input Voltage [V] | 750 | 750 | 750 | 750 | 750 | 750 | 750 |
| Maximum Input Current [A] | 32 | 40 | 32 | 40 | 32 | 32 | 32 |
| Maximum Short-Circuit Current [A] | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
| MPPT Operating Voltage [V] | 150~850 | 150~850 | 150~850 | 150~850 | 150~850 | 150~850 | 150~850 |
| MPPT Operating Voltage [V] (full load) | 170~850 | 230~850 | 250~850 | 280~850 | 280~850 | 340~850 | 340~850 |
| Start-up Voltage [V] | 160 | 160 | 160 | 160 | 160 | 160 | 160 |
| Number of Independent MPPTs | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Strings per MPPT | 2/2/2 | 2/2/2 | 2/2/2 | 2/2/2 | 2/2/2 | 2/2/2 | 2/2/2 |
| Maximum Inverter Backfeed Current [A] | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| BATTERIES | |||||||
| Battery Type | Lithium Iron Phosphate (LFP) | ||||||
| Battery Voltage Range [V] | 150~800 | ||||||
| Battery Voltage Range under Full AC Load [V] | 160 ~ 790 | 220 ~ 790 | 240 ~ 790 | 270 ~ 790 | 270 ~ 790 | 330 ~ 790 | 330 ~ 790 |
| Maximum Charge/Discharge Current [A] | 50+50 | 50+50 | 50+50 | 50+50 | 50+50 | 50+50 | 50+50 |
| Number of Battery Inputs | 2 | ||||||
| Communication Interface | CAN | ||||||
| AC OUTPUT | |||||||
| Rated Output Power [VA] | 15000 | 20000 | 22000 | 24900 | 25000 | 29900 | 30000 |
| Maximum Apparent Power [VA] | 16500 | 22000 | 22000 | 24900 | 25000 | 29900 | 30000 |
| Nominal AC Grid Voltage [VAC] | 400/230; 380/220, 3L/N/PE | ||||||
| Nominal AC Grid Frequency [Hz] | 50/60, +5 | ||||||
| Maximum AC Current [A] (per phase) | 25.0 | 33.3 | 36.7 | 37.7 | 41.7 | 45.4 | 50.0 |
| Power Factor | (Adjustable from 0.8 capacitive to 0.8 inductive) | ||||||
| Export Limitation | YES | ||||||
| THDI [%] | <3 at rated power | ||||||
| AC INPUT | |||||||
| Maximum AC Input Power [VA] | 22500 | 30000 | 33000 | 35000 | 35000 | 35000 | 35000 |
| Nominal AC Grid Voltage [V] | 400/230; 380/220, 3L/N/PE | ||||||
| Nominal AC Grid Frequency [Hz] | 50/60, +5 | ||||||
| Maximum AC Current [A] (per phase) | 34.1 | 45.5 | 50.0 | 53.0 | 53.0 | 53.0 | 53.0 |
| Power Factor | (Adjustable from 0.8 capacitive to 0.8 inductive) | ||||||
| EPS OUTPUT | |||||||
| Maximum Apparent Power [VA] | 15000 | 20000 | 22000 | 25000 | 25000 | 30000 | 30000 |
| Peak Apparent Power [VA] (60s) | 18000 | 24000 | 26400 | 30000 | 30000 | 36000 | 36000 |
| Nominal EPS Voltage [V] | 400/230; 380/220,3L/N/PE | ||||||
| Nominal EPS Frequency [Hz] | 50/60 | ||||||
| Maximum EPS Current [A] (per phase) | 22.7 | 30.3 | 33.3 | 37.9 | 37.9 | 45.5 | 45.5 |
| Power Factor | (Adjustable from 0.8 capacitive to 0.8 inductive) | ||||||
| Parallel Connection (cascade) | |||||||
| Transfer Time [ms] | <20 | ||||||
| THDV [%] | <3 at rated power | ||||||
| EFFICIENCY | |||||||
| MPPT Efficiency [%] | 99.90 | ||||||
| Maximum Efficiency [%] | 97.80 | ||||||
| Maximum Efficiency (BAT to AC) [%] | 97.60 | ||||||
| Maximum Efficiency (PV to BAT) [%] | 98.10 | ||||||
| European Efficiency [%] | 97.30 | 97.40 | 97.40 | 97.40 | 97.40 | 97.40 | 97.40 |
| PROTECTIONS | |||||||
| PV Reverse Polarity Protection | YES | ||||||
| Battery Reverse Polarity Protection | YES | ||||||
| Anti-Islanding Protection | YES | ||||||
| Short-Circuit Protection | YES | ||||||
| Leakage Current Monitoring | YES | ||||||
| Insulation Resistance Monitoring | YES | ||||||
| Surge Category | III (AC side), II (DC side) | ||||||
| Reverse Polarity Protection | YES | ||||||
| Overcurrent / Overtemperature Protection | YES | ||||||
| AC/DC Surge Protection | Type II/Type II | ||||||
| AFCI Protection | Optional | ||||||
| DC Switch | Optional | ||||||
| PV String Monitoring | Optional | ||||||
| GENERAL DATA | |||||||
| Dimensions (WHD) [mm] | 600560225 | ||||||
| Packaging Dimensions (WHD) [mm] | 720680370 | ||||||
| Net Weight [kg] | 52.5 | 52.5 | 52.5 | 52.5 | 52.5 | 52.5 | 52.5 |
| Gross Weight [kg] | 57.5 | 57.5 | 57.5 | 57.5 | 57.5 | 57.5 | 57.5 |
| Mounting | Wall-mounted | ||||||
| Operating Temperature Range [°C] | -25 ~ +60 (limited at 45°C) | ||||||
| Storage Temperature [°C] | -40~+70 | ||||||
| Noise Emission (typ) [dB] | <60 | ||||||
| Humidity [%] | 0~95 (Non-condensing) | ||||||
| Altitude [m] | <4000 | ||||||
| Protection Class | I | ||||||
| Ingress Protection | IP65 (For outdoor use) | ||||||
| Power Consumption [W] | |||||||
| Standby Mode | 200 W (active idle), 18 W (idle) | ||||||
| Cooling | Intelligent fan cooling | ||||||
| Inverter Topology | Transformerless | ||||||
| Communication | Meter, WIFI, 4G (Optional), DRM, USB, BMS (CAN), RS485 | ||||||
| LCD Display | Backlit, 164 characters | ||||||
| Button | 4 capacitive touch buttons | ||||||
| Buzzer | 1, internal (EPS and ground-fault) | ||||||
| CERTIFICATION AND STANDARDS | |||||||
| Safety | EN 62109-1, EN 62109-2 | ||||||
| EMC | IEC 61000-6-2, IEC 61000-6-3 | ||||||
* More technical details available upon request. The inverter can be customized for a given market. [1] Maximum Input Power for MPPT is 15 kW. [2] For a boundary voltage of 1000 V, the inverter’s maximum PV operating voltage is 950 V. If PV voltage exceeds 955 V, a high-voltage error will be reported.

