15~30kW | Three-Phase
The Fox ESS H3 Pro Hybrid Inverter (15–30kW) is a powerful, scalable, and future-ready solution for Australia’s growing solar and battery market. Its combination of high efficiency, flexible design, and smart energy management makes it particularly attractive for commercial users and large residential properties.
As Australia continues shifting toward renewable energy and storage-led grids, investing in a system like the H3 Pro ensures your energy setup remains efficient, reliable, and adaptable for years to come.
If you’re planning a large-scale solar installation with battery storage, this inverter is definitely worth considering.
Key features of the Fox ESS H3 Pro Hybrid Inverter
- High-performance three-phase design
- Available in 15kW to 30kW output, ideal for large homes and commercial systems.
- Supports up to 200% PV oversizing for increased solar generation efficiency.
- Advanced battery integration
- Dual independent battery inputs allow flexible energy storage configurations.
- Compatible with high-voltage battery systems for improved round-trip efficiency.
- Multiple MPPT trackers
- Equipped with three MPPTs for better performance across different roof orientations.
- Handles complex solar array designs with ease.
- Smart monitoring and connectivity
- Built-in Wi-Fi and LAN for remote monitoring via app or web portal.
- Real-time energy tracking and system diagnostics improve user control.
- Durability and installation flexibility
- IP65-rated enclosure supports indoor and outdoor installation.
- Plug-and-play design simplifies installation and commissioning.
- VPP and grid-ready capabilities
- Compatible with Virtual Power Plant (VPP) platforms in Australia.
- Frequency-shift capability enables off-grid or backup operation.
Specifications of the Fox ESS H3 Pro Hybrid Inverter
- Power output: 15kW – 30kW (three-phase)
- PV input power: Up to 30kW–50kW range depending on model
- Maximum efficiency: 97.2%
- MPPT trackers: 3 independent MPPTs
- Max input voltage: 1000V
- MPPT voltage range: 150V – 850V
- Battery compatibility: High-voltage systems, dual inputs
- Storage capacity support: Up to 144 kWh
- Protection rating: IP65
- Communication: Wi-Fi, LAN, RS485
- Dimensions: 600 × 560 × 225 mm
- Weight: ~52.5 kg
- Operating temperature: -25°C to 60°C
Fox ESS H3 Pro Hybrid Inverter warranty
In Australia, the Fox ESS H3 Pro typically comes with a 10-year product warranty, provided the unit is registered on the Fox ESS cloud portal within the specified timeframe (usually 36 months from installation). It is important to ensure the installation is performed by a Solar Accreditation Australia (SAA) accredited installer to maintain warranty validity.
Pros of the Fox ESS H3 Pro Hybrid Inverter
- Exceptional scalability: The H3 Pro supports parallel installation of up to 10 units, enabling a massive total system capacity that scales with your energy needs.
- High charge/Discharge rates: With up to 30kW of charge and discharge capability, this inverter can handle rapid energy transfers, ensuring your battery is ready when you need it most.
- Triple MPPT design: Features 3 MPPT trackers, providing significant flexibility for complex roof layouts with multiple orientations, maximising solar harvest throughout the day.
- Superior backup capability: The integrated Emergency Power Supply (EPS) function offers a switchover time of less than 10ms, providing seamless backup power during grid outages.
- High-voltage efficiency: By utilising a high-voltage battery architecture, the H3 Pro minimises energy conversion losses, resulting in higher round-trip efficiency than low-voltage systems.
Cons of the Fox ESS H3 Pro Hybrid Inverter
- Active cooling noise: Unlike smaller fanless models, the H3 Pro utilises smart fan cooling to manage heat at high power outputs, which can generate audible noise during peak operation.
- Specific battery compatibility: To achieve optimal performance and full warranty support, the H3 Pro is primarily designed to work with the Fox ESS high-voltage battery series, which limits third-party battery options.
Applications for the Fox ESS H3 Pro Hybrid Inverter
- Large residential estates: Perfectly suited to expansive Australian homes with high energy loads, such as multiple air-conditioning units, large swimming pools, and electric vehicle (EV) charging stations.
- Small to Medium Businesses (SMBs): An ideal solution for offices, warehouses, or retail spaces looking to reduce operational costs by maximising solar self-consumption and ensuring business continuity with backup power.
- Agricultural settings: Provides reliable power for farm sheds, irrigation pumps, and processing equipment, especially in rural areas where grid stability might be a concern.
- High-demand backup systems: For sites requiring a “UPS-like” experience, its fast switching time makes it suitable for protecting sensitive equipment during unexpected blackouts.
Is the Fox ESS H3 Pro Hybrid Inverter right for you?
Choosing an inverter in the 15–30kW range is a significant investment. The H3 Pro is specifically targeted at users who outgrow standard 5–10kW residential systems.
Choose the H3 Pro if you:
- Have a three-phase property
- Need 15–30kW capacity
- Want battery storage integration
- Plan to scale your system in the future
- Are you a business or a high-energy household
It may not be ideal if you:
- Have a small home (single-phase systems are more suitable)
- Don’t plan to install batteries
- Have low energy consumption
