
High Conversion EfficiencyMore of your solar reaches the home
MPPT TrackingMaximises yield in changing light
Grid CompliantMeets UK G98 / G99 requirements
FOX ESS H3 12.0KW 3PH Hybrid Inverter with 3PH CT Meter
- FOX ESS H3 12.0KW 3PH Hybrid Inverter with 3PH CT Meter
- Part No: FE-H3-12.0-CT
- Storage Systems - Hybrid Inverter
- Easy installation - Plug & Play, built-in fuse protection.
- Maximum yields - Low starting voltage, 97.3% maximum efficiency
- Maximum flexibility - 3 battery types to choose from, True 3-phase backup power
- Monitoring - Monitor remotely via app or web portal.
This part is made up of the following items:
| 1 x FE-H3-12.0 | FOX ESS H3 12.0KW 3PH Hybrid Inverter | |
| 1 x FE-3PH-METER-CT | Fox 3PH Meter (CHINT DTSU666) | |
Includes 3ph Meter with CTs.
Harness the power of the sun day and night with FoxESS' groundbreaking line of hybrid inverters.
FoxESS inverters are not compatible with SolarEdge or Huawei optimizers, but with those from Tigo.
Don't forget: You must register your install with Fox online to activate the 10 year product warranty, otherwise it's 5 years as standard. Please click here for registration page. Please check the warranty document for more information.
High Efficiency 97.30 %More power from the same roof space
IP65 RatedBuilt for UK weather conditions
Technical Specifications
Rated Power (Pmax)12,000 W
Module Efficiency97.30 %
Battery Voltage180 - 600 V
MPPT Quantity2
Min MPPT Voltage160 V
Max MPPT Voltage950 V
Max Input Voltage1,000 V
Max DC Power15,000 W
Max AC Power (5 min)13,200 VA
Max DC Current26 / 14 A
Max DC Inputs3
Integrated DC SwitchYes
Height519 mm
Width449 mm
Depth198 mm
Weight28 kg
IP RatingIP65
Operating Temperature-25 °C to +60 °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
Documents & Certificates
CE Declaration of Conformity Fox H3/AC3 EN
Data Sheet Fox H3AC3 5 - 12kWh
G99 Certificate Test Report H3 12kW EN
IEC Certificate EN IEC 61000-6 H3 5-12 kW
Installation Manual Fox ESS H3 QIG EN
Installation Manual H3 upgrade instruction 002
Installation Manual H3/AC3 Quick Installation Guide EN
Product Compatibility Fox Battery Sizing Guide EN
Product Compatibility Schnittstellenpartner FOXESS Stand 10.2023
Test Certificate TOR Erzeuger Typ A & OVE R25 H3 5-12 kW
Test Certificate UNE 217002: 2020-10 - ES
Test Certificate UTE C15-712-1:2013 - FR
User Manual DE
User Manual Fox ESS H3 and AC3 Series
User Manual Fox ESS H3/AC3 EN
VDE 4105 AR and Swiss equivalent for Fox H3/AC3 range - EN
Warranty Fox ESS Inverter Policy EU v1.7
Warranty Fox ESS Inverter Policy PL v1.8
Warranty Fox ESS Inverter V2.3
Warranty Fox ESS Inverter Warranty Policy UK v1.6
White Paper Fox ESS 3PH Meter Schematic EN
White Paper FOX ESS Cyber Security
White Paper Why Fox?
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.

