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Fox ESS H3 Pro 20kW 3PH Hybrid Inverter
#2: FE-H3-PRO-20.0 Storage Systems - Hybrid Inverter
Fox H3 Series 20kW Datasheet
Fox H3 Series 20kW Manual
Fox H3 Series 20kW Warranty
Fox Battery Sizing Guide
FoxESS H3 3-Phase Hybrid/AC Inverter – Scalable High-Voltage Storage Solution
The FoxESS H3 Hybrid Inverter combines high-performance solar conversion with flexible battery integration, giving homeowners and businesses the ability to expand storage capacity up to 86.4 kWh. With full three-phase backup power, multiple MPPT tracking, and smart connectivity, it delivers reliability, efficiency, and control.
Key Features
Plug & Play Installation
Quick and straightforward setup, reducing time on site.
Full Three-Phase Emergency Power
Provides uninterrupted backup for essential loads during outages.
Flexible Battery Expansion
Supports two battery stacks, each with up to 7 modules. Compatible with multiple Fox battery series including HV2600, ECS-2900, ECS-4100, and ECS-4800.
High-Voltage Design
Optimised for maximum round-trip efficiency and larger storage capacity.
Remote Monitoring
Integrated Wi-Fi dongle and FoxESS Cloud access for real-time system monitoring.
Smart Meter Included
Enables accurate energy measurement and export limitation.
Advanced MPPT Tracking
3 MPPTs allow maximum energy harvesting from multiple solar arrays.
Warranty
5-year standard warranty, extendable up to 10 years.
Compatibility
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1x FE-HV-BMS + (3-16)x FE-HV-2600
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1x ECM-2900 (Master) + (2-6)x ECS-2900 (Slave) (Connector Type A or B)
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1x ECM-4100 (Master) + (2-6)x ECS-4100 (Slave)
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1x ECM-4300 (Master) + (2-6)x ECS-4300 (Slave)
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1x ECM-4800 (Master) + (2-6)x ECS-4800 (Slave)
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Maximum: 2 stacks, 7 modules per stack (1 Master + 6 Slaves), total 2 Masters + 12 Slaves
Technical Specifications
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Weight: 52.5 kg
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Rated Power: 20,000 W
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Min MPPT Voltage: 160 V
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Max MPPT Voltage: 1,000 V
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DC Startup Voltage: 160 V
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DC Shutdown Voltage: 160 V
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Max Input Voltage: 1,000 V
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Max DC Power: 30,000 W
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Max AC Power (5 Minutes): 20,000 W
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Surge AC Power (1 Second): 22,000 W
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Max DC Current: 96 A
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DC Inputs: 6
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DC Fuses: 1
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Connector: MC4
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Included Connectors: 12
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Euro Efficiency: 97.4%
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Transformer: None
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MPPT Quantity: 3
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Integrated DC Switch: Yes
This FoxESS H3 Hybrid Inverter is ideal for homeowners or small businesses looking to scale their solar + storage systems efficiently, with robust safety, monitoring, and expansion options.
Remember to 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.
