Description
The Fox ESS KH and KA Series Hybrid Inverters are engineered to meet the growing demands of larger residential and light commercial systems. Offering power outputs from 7kW to 10.5kW, these single-phase hybrid and AC inverters are compatible with high-voltage lithium batteries and feature exceptional round-trip efficiency, expandable storage, and robust safety protections — all in a sleek, IP65-rated enclosure.
Why Choose the KH/KA Series?
- High efficiency: 98.5% battery charge and 97% discharge efficiency for minimal energy loss.
- Heavy-duty performance: 10.5kW max output, with up to 12kW PV input support.
- Fully integrated backup: Built-in EPS (emergency power supply) with automatic switchover during outages.
- Intelligent system monitoring: Access real-time performance data via FoxCloud V2.0 on desktop or mobile.
- Modular scalability: Operate up to 10 inverters in parallel for large installations or multi-zone sites.
Optimised for High-Output Systems
The KH/KA Series inverters support advanced PV and battery configurations with up to four MPPT trackers and high voltage ranges up to 500V. Their natural cooling design and wide ambient temperature range (-25°C to +60°C) make them ideal for exposed environments.
Safe, Flexible & Installer-Friendly
Each model is fully protected with anti-islanding, surge, short circuit, overvoltage, and insulation monitoring. Backed by full compliance with G99, EN50549, IEC62109, and more, it’s a secure long-term solution for homes and small businesses wanting energy resilience and control.
Who is it for?
- Installers and EPCs working on large-scale residential solar + storage
- Homeowners looking for high-output single-phase hybrid systems
- Light commercial clients requiring battery-ready, future-proof solar
Technical Specifications
| Model | KH7 / KA7 | KH8 / KA8 | KH9 / KA9 | KH10 / KA10 | KH10.5 / KA10.5 |
|---|---|---|---|---|---|
| Rated Output Power | 7.0kW | 8.0kW | 9.0kW | 10.0kW | 10.5kW |
| Max PV Input | 14.0kW | 16.0kW | 18.0kW | 18.0kW | 18.0kW |
| Battery Voltage Range | 85–480V | ||||
| Max Battery Charge/Discharge | 50A / 50A | ||||
| EPS Backup Support | Yes – with auto switch (≤10ms) | ||||
| Max Charge Efficiency | 98.5% | ||||
| Max Discharge Efficiency | 97.0% | ||||
| MPPTs / Strings | 3 / 3 | 4 / 4 | 3 / 3 | 4 / 4 | 4 / 4 |
| Monitoring | FoxCloud V2.0 – WiFi, 4G, LAN (optional) | ||||
| IP Rating | IP65 – indoor/outdoor rated | ||||
| Dimensions (W×H×D) | 450 × 527 × 208 mm | ||||
| Weight | 29 kg | 27.5 kg | 29 kg | 27.5 kg | 29 kg |
| Certifications | IEC62109-1/2, G99, EN50549, NRS 097-2-1, etc. | ||||
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