Fox ESS H3/AC3 Hybrid Inverter Series 12 KW

  • Key features

    • Easy Installation – Flexible configuration, plug & play setup with built-in fuse protection.

    • IP65 Rated – Weatherproof design, suitable for outdoor installation.

    • Remote Monitoring – Track performance via smartphone app or web portal (FoxCloud V2.0).

    • High Voltage Battery Support – Ensures maximum round-trip efficiency.

    • Strong Power Output – Up to 12kW charge/discharge capacity.

    • Peak Efficiency – Up to 98.5% max efficiency, reducing energy loss.

    • Advanced Protection – Includes anti-islanding, short-circuit, overcurrent, overvoltage, and DC reverse polarity protection.

    • Wide Compatibility – Works with Fox ESS high-voltage LFP batteries.

    • Quiet Operation – Natural or fan cooling with low noise (<45 dB).

    • Durable & Reliable – Compact design, wall-mounted, engineered for long-lasting performance.

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Fox ESS H3/AC3 – Technical Specifications

Model AC3-5.0-E AC3-6.0-E AC3-8.0-E AC3-10.0-E H3-5.0-E H3-6.0-E H3-8.0-E H3-10.0-E H3-12.0-E
Max. Input Power [W] 6500 6500 8000 8000 4000 4000 5000 5000 5000
Max. Input Voltage [V] 1000 1000 1000 1000 1000 1000 1000 1000 1000
Start-up Input Voltage [V] 160 160 160 160 160 160 160 160 160
Rated Input Voltage [V] 720 720 720 720 720 720 720 720 720
MPPT Operating Voltage Range [V] 160–950 160–950 160–950 160–950 160–950 160–950 160–950 160–950 160–950
Max. Input Current [A] 14 14 16 16 14 26 26 26 26
Max. Short-circuit Current [A] 14 14 16 16 14 26 26 26 26
No. of Independent MPP Trackers 1 1 2 2 1 1 2 2 2
No. of Strings per MPP Tracker 1 1 1 1 1 1 1 1 1
Battery Type Lithium (LFP) Lithium (LFP) Lithium (LFP) Lithium (LFP) Lithium (LFP) Lithium (LFP) Lithium (LFP) Lithium (LFP) Lithium (LFP)
Battery Voltage Range [V] 180–600 180–600 180–600 180–600 180–600 180–600 180–600 180–600 180–600
Max. Charge/Discharge Current [A] 26 26 26 26 26 26 26 26 26
Rated Output Power [W] 5000 6000 8000 10000 5000 6000 8000 10000 12000
Max. Output Apparent Power [VA] 5500 6600 8800 11000 5500 6600 8800 11000 13200
Peak Output Apparent Power (60s) [VA] 10000 12000 14000 15000 10000 12000 14000 15000 15000
Max. Output Current [A] 7.2 8.7 11.6 14.5 8.0 9.6 12.8 16.0 19.2
Rated Output Voltage [V] 3L/N/PE 380/220; 400/230; 415/240 same for all
Rated Output Frequency [Hz] 50/60 same for all
Power Factor 1 (Adjustable 0.8 leading → 0.8 lagging) same for all
THDv (linear load) [%] <3 @ Rated Power same for all
Max. Efficiency [%] 97.2 97.2 97.3 97.3 97.2 97.2 97.3 97.3 97.3
Euro Efficiency [%] 97.8 97.8 98.0 98.0 97.8 97.8 98.0 98.0 98.0
Battery Charge Efficiency (PV → BAT) [%] 98.5 same for all
Battery Discharge Efficiency (BAT → AC) [%] 97.0 same for all
Dimensions (W×H×D mm) 449×519×198 same for all
Weight [kg] 28 same for all
Installation Wall-mounted same for all
Topology Transformerless same for all
Cooling Method Natural / FAN Cooling same for all
Noise Emission [dB] <45 same for all
Max. Operating Altitude [m] 2000 same for all
Operating Temperature [°C] -25 ~ 60 same for all
Humidity [%] 0–100 (no condensation) same for all
Ingress Protection IP65 same for all
Standby Consumption [W] <15 same for all
Monitoring Module WiFi, LAN, 4G, GPRS (Optional) same for all
Communication 2×RS485, DRM, Ripple Control, USB same for all
Display LCD, App, Website same for all
Safety EN 62109-1, EN 62109-2, EN 62477-1 same for all
EMC IEC 61000-6-1, IEC 61000-6-3 same for all
Grid Regulation EN50549-1, C10/11, VDE-AR-N 4105, G98, CEI 0-21 same fo

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