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FOX ESS H3 Smart 12.0KW 3PH Hybrid/AC Inverter
Fox ESS 12 IN STOCK

Fox H3 Smart 12.0KW 3ph Hybrid Inverter

FE-H3-12.0-SMART
£1,287.70 ex VAT

How many inverters do you need?

Secure Checkout 14-Day Returns Tracked Delivery
High Conversion EfficiencyMore of your solar reaches the home
MPPT TrackingMaximises yield in changing light
Grid CompliantMeets UK G98 / G99 requirements

Fox ESS Fox H3 Smart 12.0KW 3ph Hybrid Inverter

FOX ESS H3 Smart 12.0KW 3PH Hybrid/AC Inverter
Part No: FE-H3-12.0-SMART
Storage Systems - Hybrid Inverter

Fox ESS H3 Smart Series - 12.0kW

H3-12.0-Smart

  • Easy installation – Plug & Play, integrated fuse protection.
  • High voltage – Maximum round-trip efficiency.
  • Maximum flexibility – 3 battery types to choose from, true 3-phase backup power supply.
  • IP65 certified – Suitable for outdoor installation.
  • Monitoring – Remote monitoring via app or web portal.
  • Integrated Wi-Fi

Includes meter

High Efficiency 97.90 %More power from the same roof space
IP65 RatedBuilt for UK weather conditions
Technical Specifications
Rated Power (Pmax)12,000 W
Module Efficiency97.90 %
Battery Voltage100 - 800 V
MPPT Quantity3
Min MPPT Voltage120 V
Max MPPT Voltage950 V
Max Input Voltage1,000 V
Max DC Power22,500 W
Max AC Power (5 min)13,200 VA
Max DC Current20 / 20 / 20 A
Max DC Inputs3
Integrated DC SwitchYes
Height450 mm
Width600 mm
Depth226 mm
Weight34 kg
IP RatingIP65
Operating Temperature-25 °C to +60 °C, derating at +45 °C
Warranty5 years standard, 10 years when the installation is registered with Fox ESS online

Build your complete solar system

Everything you need in one place.

  • Inverters
  • Batteries
  • Mounting Systems
  • Cabling & Accessories
Build a system
Documents & Certificates
Data Sheet Fox ESS H3 Smart DE (German) Data Sheet Fox ESS H3 Smart EN Data Sheet Fox ESS H3 Smart NL (Dutch) EN50549 Fox Ess H3 Smart - P3 Pro EN
Shipping & Returns

Delivery times vary by region:

  • UK — 1-2 business days
  • Highlands & Islands — 1-2 business days

Returns accepted within 14 days of delivery for unused items in original packaging.