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Fox ESS H1 3.7kW Hybrid Inverter with EPS 1PH Gen 2
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£870.00
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FE-H1-3.7-G2 | Single-phase 3.7kW high-voltage hybrid inverter with dual MPPT, integrated EPS backup and IP65 rating for residential solar + storage.
Key Features
- 3.68kW rated AC output with dual MPPT trackers (max 5.5kW PV input).
- High-voltage battery compatibility (ECS2900/4100 series, 85-450V range).
- Integrated EPS backup port (5kW continuous, <20ms switch time).
- 97.8% max efficiency with wide MPPT range 80-550V DC.
- IP65 rated for indoor/outdoor installation with natural cooling.
- Export limitation via CT clamp or Modbus meter.
- WiFi dongle included for Fox ESS cloud monitoring.
- Parallel operation up to 10 units.
Electrical Characteristics
| Rated AC Power | 3,680 W |
| Max PV Input | 5,500 W |
| MPPT Voltage Range | 80-550 V DC |
| Max Efficiency | 97.8% |
| EPS Output | 5kW continuous / 6kW 60s |
| Battery Voltage | 85-450 V DC |
| Grid Voltage | 220-240 V AC |
Mechanical Specifications
| Dimensions (W×H×D) | 430 × 410 × 178 mm |
| Weight | 23 kg |
| Protection Rating | IP65 |
| Cooling | Natural convection |
| Operating Temp | -25°C ~ +60°C |
| Noise Level | <29 dB |
Installation & Compatibility
- Integrated DC switch and CT clamp included.
- Compatible with Fox ECS2900 (1M+1S min) and ECS4100 batteries.
- 5-year standard warranty (extendable to 10 years).
- G98/G99 compliant with remote firmware updates.
MPN: FE-H1-3.7-G2
Model: Fox H1 3.7kW Hybrid Gen 2
Powerful residential hybrid inverter combining PV optimisation, high-voltage battery support and seamless EPS backup in a compact IP65 package.
- Type Solar
- Vendor Fox ESS
- SKU FE-H1-3.7-G2
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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Room Dimensions
Room Type
Living Room
Bedroom
Kitchen
Bathroom
Conservatory
Hallway
Glazing Type
Single Glazed
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Triple Glazed
External Walls
0 Wall
1 Wall
2 Walls
3 Walls
4 Walls
Insulation Level
Poor
Average
Good (New Build)
Required Heating
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0
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