Unlock Maximum Efficiency with the Fox ESS K Series KH8 8kW Single Phase Hybrid Inverter
The Fox ESS KH8 is a sleek 8kW single-phase IP65 full hybrid inverter, designed to enhance your solar system with maximum efficiency. Utilising high-voltage batteries, it ensures lower losses and efficiency, amplifying the productivity of your solar setup.
The Fox KH8 offers straightforward installation, saving you precious time on-site. With the Fox ESS Cloud, remote monitoring and control become effortlessly convenient, simplifying support from anywhere.
- IP65 rated - ideal for outdoor installations
- Remote monitoring via web portal or smartphone app
- Easy expansion of battery capacity
- Triple MPPT for optimal solar production
- High round-trip efficiency of 97%
- Seamlessly integrates with ECS2900, ECS4100, ECS4300, ECS4800, and HV2600 systems, providing flexibility for various setups.
Fast Delivery Across the UK
Experience the benefits of the Fox ESS 8kW K Series Single Phase Hybrid Inverter with quick 2-3 working days delivery within the UK (longer to the Highlands, islands, and Northern Ireland).
Rated Power: | 8,000 W |
Battery Voltage Range: | 85-480 V |
Max. Charge Current: | 50 A |
Max. Discharge Current: | 50 A |
Communication Interfaces: | CAN / RS485 |
Reverse Connect Protection | Yes |
INPUT PV | |
Max. Recommended DC Power: | 12,000 W |
Max. DC Voltage: | 600 V |
Nominal DC Operating Voltage: | 360 V |
MPPT Voltage Range: | 80-500 V |
Start-up Voltage: | 75 V |
Max. Input Current (Input A/Input B): | 16A / 16A / 16A[1] |
Max. Short Circuit Current (Input A/Input B): | 20A / 20A / 20A |
No. of MPP Trackers | 3 |
Strings per MPP Tracker: | 1 |
OUTPUT AC | |
Nominal AC Power: | 8000 W |
Max. Apparent AC power: | 8800 VA |
Rated Grid Voltage (AC Voltage Range): | 220/230/240 (180 ~ 270) V |
Rated Grid Frequency: | 50/60 Hz |
Nominal AC Current: | 34.8 A |
Max. AC Current: | 38.3 A |
Displacement Power Factor: | 0.8 Leading to 0.8 Lagging |
Total Harmonic Distortion (THDi): | < 3% |
INPUT AC | |
Max AC Power: | 16000 VA |
Max. AC Current: | 69.6 A |
Rated Grid Voltage (AC Voltage Range): | 220/230/240 (180 ~ 270) V |
Rated Grid Frequency: | 50/60 Hz |
EPS OUTPUT (WITH BATTERY) | |
Max. EPS Power: | 8000 VA |
EPS Rated Voltage, Frequency: | 220/230/240 V, 50/60 Hz |
Max. EPS Current: | 36.4 A |
EPS Peak Power: | 10000 W (60 sec) |
Switch Time: | < 20 ms |
Total Harmonic Distortion(THDv,Linear Load) | < 2% |
Parallel Operation: | Yes, up to 10 units |
EFFICIENCY | |
MPPT Efficiency: | 99.9 % |
Euro Efficiency: | 97.40 % |
Max. Efficiency: | 97.80 % |
Max. Battery Charge Efficiency (PV to BAT): | 98.50 % |
Max. Battery Discharge Efficiency (BAT to AC) | 97.00 % |
ENVIRONMENT CONDITIONS | |
Ingress Protection: | IP65 |
Operating Temperature Range: | -25°C ~ +60°C (Derating at +45°C) |
Humidity: | 0-95% (Non condensing) |
DIMENSIONS AND WEIGHT | |
Dimensions (W * H * D): | 450*527*208 mm |
Weight: | 29 kg |
* More technical characteristics are available on demand and customized.
[1] The maximum generating power of each PV string is limited to 3300 watts

- Inverter (A): The central component of your solar setup, ensuring efficient energy conversion.
- Bracket (B): Provides sturdy support for mounting your inverter securely.
- WiFi/GPRS/LAN Module (Optional) (K): Enhances connectivity options for remote monitoring and control.
- PV Connectors (Only for KH) (C): Eight connectors (four positive, four negative) for seamless integration of photovoltaic panels.
- Meter (Optional) (L): Provides valuable insights into energy consumption and system performance.
- PV Pin Contacts (Only for KH) (D): Eight pin contacts (four positive, four negative) for secure connections to photovoltaic panels.
- CT Extension Connector (M): Facilitates the extension of current transformer connections for enhanced monitoring capabilities.
- AC Connectors (E): Two connectors for connecting your inverter to the AC power supply.
- Hexagonal Screws (N): Three screws for secure installation of components.
- Expansion Tubes & Expansion Screws (F): Six tubes and screws for expansion and reinforcement of mounting structure.
- Expansion Screws (For Ground Installation) (O): Four screws specifically designed for ground installation.
- Earth Terminal (G): Ensures proper grounding for safe and efficient operation.
- Battery Connectors (P): Two connectors (one positive, one negative) for connecting batteries to your system.
- Communication Connector (H): Facilitates communication between components for seamless system integration.
- Battery Pin Contacts (Q): Two pin contacts (one positive, one negative) for secure connections to batteries.
- Product Manual (I): Comprehensive guide providing instructions and information for installation and operation.
- CT (with 10m Cable) (R): Current transformer with a 10-meter cable for monitoring energy flow within your system.