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Fox ESS H3 Pro 25kW 3PH Hybrid Inverter
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FE-H3-PRO-25.0 | Flagship enterprise three-phase 25kW hybrid inverter with 3 MPPT (6 strings), dual battery inputs (86.4kWh max), full 3-phase EPS backup and 10-unit parallel scalability up to 250kW.
Key Features
- 25kW rated three-phase output with 3 MPPT trackers / 6 strings (max 37.5kW PV input).
- Dual battery inputs supporting up to 86.4kWh storage (2 stacks ECS4300).
- Full three-phase emergency power (<20ms switch) with 27.5kW surge capacity.
- 97.5% Euro efficiency with MPPT range 160-1000V DC (40A max per MPPT).
- IP65 rated with integrated DC fuses, switch, Type 4X enclosure for harsh environments.
- Parallel up to 10 units (250kW total) with H3 Pro EMS coordination.
- Smart tariff integration (Octopus Energy), Tigo optimizer compatibility.
- Color LCD display with capacitive touch controls.
Electrical Characteristics
| Rated AC Power | 25,000 W (3-phase) |
| Max PV Input | 37,500 W |
| MPPT Voltage Range | 160-1000 V DC |
| Max Efficiency | 97.5% |
| Max DC Current | 120 A (40A/MPPT) |
| EPS Surge Power | 27.5kW (1 sec) |
| Battery Compatibility | ECS HV series (86.4kWh max) |
Mechanical Specifications
| Dimensions (W×H×D) | 720 × 680 × 370 mm |
| Weight | 57.5 kg |
| Protection Rating | IP65 / Type 4X |
| Cooling | Smart fan cooling |
| Operating Temp | -25°C ~ +60°C |
| Communication | RS485, CAN, WiFi/LAN/4G, Meter |
Installation & Package Contents
- Plug-and-play with WiFi dongle, 3PH meter, CT clamps (3x), MC4 connectors (6x).
- Requires H3 Pro EMS for multi-unit parallel operation.
- 5-year warranty (extendable to 10 years via registration).
- G99 compliant with enterprise-grade monitoring and smart tariff support.
MPN: FE-H3-PRO-25.0
Model: Fox H3 Pro 25kW 3PH Hybrid
Ultimate commercial three-phase hybrid inverter for maximum-scale deployments, offering unmatched PV capacity (6 strings), massive battery storage (86.4kWh), and enterprise-grade 3-phase backup power with full scalability.
- Type Solar
- Vendor Fox ESS
- SKU FE-H3-PRO-25.0
Please note: Delivery times may vary depending on location, with specific details outlined below.
Standard Delivery
UK Mainland
- Delivery Time: 2–4 working days
- Free Delivery on most orders
- £4.95 for small items
- £69 for Solar Panels, Batteries and other specialized large items delivery
Express Delivery
UK Mainland
- Delivery Time: 1–3 working days
- Free Delivery
- £4.95 delivery for small items
Channel Islands
- Postcodes Covered: GY*, IM*, JE*
- Minimum Order: £50
- Delivery Fee: £70
Northern Ireland, Offshore Territories & Scottish Islands
- Postcodes Covered: BT*, HS*, KW, ZE
- Minimum Order: £50
- Delivery Fee: £35
Same Day Delivery
- Eligible Postcodes:
E*, EC*, N*, NW*, SE*, SW*, W*, WC*, HA*, UB*, EN*, IG*, RM*, KT*, SM*, CR*, BR*, DA*, TW* - Minimum Order: £50
- Same Day Delivery Fee: £70
- Special Requests or Locations:
For areas outside these postcodes or urgent quotes, please email orders@qualityheating.co.uk and we’ll do our best to accommodate.
Collections
Want to collect your order instead?You’re welcome to do so — just email us at orders@qualityheating.co.uk or message us via WhatsApp with your preferred collection time, and we’ll confirm the details.
Collection address: 284 Water Rd, Unit 9, London, HA0 1HX
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