Fox ESS H3 Pro 25kW 3PH Hybrid Inverter

Fox H3 Hybrid 25kW 3-Phase Inverter – Scalable Energy Storage Solution

With up to 25kW charge/discharge, the Fox H3 Hybrid inverter is perfect for expanding residential or small commercial solar systems. The inverter supports three battery series, allowing you to increase storage capacity up to 86.4 kWh. Multiple inverters can be connected in parallel—up to 10 units—providing maximum flexibility for larger installations.

Supports 2 stacks of Cube or EP batteries with H3 model hybrids.

Key Features:

• Plug-and-Play Installation: Fast, hassle-free setup

• Full Three-Phase Emergency Power: Reliable backup capability

• Dual Battery Inputs: Easier connection for high-voltage batteries

• 3 MPPT Trackers: Optimised solar energy harvesting

• Remote Monitoring: Via FoxESS Cloud platform

• Expandable Capacity: Add more batteries as needed

• High Voltage Design: Maximises round-trip efficiency

• Included Accessories: Smart meter and WiFi dongle

• Warranty: 5-year standard, 10-year extended

Compatible Batteries:

• 1x FE-HV-BMS + (3–16)x FE-HV-2600

• 1x ECM-2900 (Master) + (2–6)x ECS-2900 (Slave) – Connector Type A

• 1x ECM-2900 (Master) + (2–6)x ECS-2900 (Slave) – Connector Type B

• 1x ECM-4100 (Master) + (2–6)x ECS-4100 (Slave)

• 1x ECM-4300 (Master) + (2–6)x ECS-4300 (Slave)

• 1x ECM-4800 (Master) + (2–6)x ECS-4800 (Slave)

Maximum Configuration: 2 stacks, 7 modules per stack (1 Master + 6 Slaves per stack), total of 2 Masters + 12 Slaves.

Technical Specifications:

• Weight: 57.7 kg

• Rated Power: 25,000 W

• Min/Max PPT Voltage: 160 – 1,000 V

• DC Startup / Shutdown Voltage: 160 V

• Max DC Power: 37,500 W

• Max AC Power (5 Minutes): 25,000 W

• Surge AC Power (1 Second): 27,500 W

• Max DC Current: 96 A

• Max DC Inputs: 6

• DC Fuses: 1

• Connector Type: MC4 (12 included)

• Euro Efficiency: 97.4%

• Transformer: None

• MPPT Quantity: 3

• Integrated DC Switch: Yes

This Fox H3 25kW inverter is ideal for future-proof solar storage systems, offering high efficiency, flexible scalability, and reliable three-phase backup for homes and small businesses.