H3 PRO Series
FOX ESS(Business Partner:Ocean Solar)
Three-Phase Grid-Tied Inverter
600*560*225mm
720*680*370mm
52.5kg (Net Weight)
Smart Air Cooling
<45dB/60dB
-25 ~ +60°C
IP65
5 years
Wholesale
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Product Description
FoxESS is a photovoltaic new energy enterprise, and Ocean Solar is its partner.The H3 PRO Series Three-Phase Hybrid Energy Storage Inverter, developed by FOX ESS (Fox Energy), is a flagship energy solution specifically designed for large commercial buildings, industrial plants, distributed photovoltaic power stations, and large-scale energy storage projects. Covering a power range of 15kW to 30kW, the product integrates a high-voltage battery and is fully compatible with FOX ESS's own high-voltage battery series, enabling efficient utilization of solar energy day and night and large-capacity energy storage dispatching. With ultra-high power density, easy installation, comprehensive safety protection, an intelligent operation and maintenance system, combined with user-friendly operation design and wide-scenario adaptability, it delivers a stable, efficient, flexible, and safe energy storage and power generation experience, facilitating the storage and efficient application of large-scale green energy.

Wide Voltage Adaptation & Ultra-High Power Input: Featuring an MPPT operating voltage range of 170V-850V (150V-850V at full load) and a low startup voltage of 160V, it is compatible with various high-power PV modules and adapts to complex voltage environments. The maximum array power reaches up to 60,000Wp, with a split-path maximum recommended input power design (up to 15,000W per channel). Equipped with 3 independent MPPT channels, each supporting 2 string inputs, it can flexibly adapt to complex PV array combinations and fully release the power generation potential of large-scale PV arrays.
Outstanding Conversion Efficiency: Adopting advanced power conversion technology, it achieves an MPPT efficiency of up to 99.9%, a maximum overall efficiency of 97.8%, and a Chinese efficiency of 97.2%-97.3%. The maximum charging efficiency from PV to battery is 98.1%, and the maximum discharging efficiency from battery to AC is 97.6%. With a total harmonic distortion (THDI) of <3% (at rated power), a total voltage harmonic distortion (THDv) of <3% (at rated power), and an adjustable power factor ranging from 0.8 leading to 0.8 lagging, it balances high power generation efficiency and excellent grid compatibility.
Integrated High-Voltage Battery & Strong Charge/Discharge Capacity: Equipped with a built-in high-voltage lithium battery, the operating voltage ranges from 150V-800V (160V-790V at AC full load), with a maximum charge/discharge current of 50+50A and support for a maximum charge/discharge power of 30kW. It maximizes system cycle efficiency, meets the needs of large-scale energy storage and rapid dispatching, and adapts to energy supply for high-load power consumption scenarios.
Easy Installation & Expansion Design: With dimensions of 600×560×225mm, it supports wall-mounted installation to save space. Adopting a flexible configuration and plug-and-play mode with built-in insurance protection, it eliminates the need for complex wiring and debugging, greatly shortening the construction cycle. It supports parallel operation, with a maximum of 10 units connected in tandem, easily meeting the capacity expansion needs of energy storage projects of different scales and adapting to diverse scenarios from small commercial energy storage to large industrial energy storage.
All-Environment Tolerance: Boasting an IP65 high protection rating, it offers excellent dustproof and waterproof performance, allowing direct outdoor installation without the need for additional protective equipment rooms. It adapts to a wide temperature operating environment of -25℃+60℃ (derated operation at 45℃), 095% non-condensing humidity, and a maximum operating altitude of 4000m. It can operate stably under complex climatic conditions such as high temperatures, severe cold, high altitudes, and high humidity, covering various scenarios including commercial buildings, industrial parks, outdoor energy storage power stations, and large-scale energy storage in remote areas.
Rapid Emergency Power Response: Equipped with an emergency output function, it has a rated output voltage of 400/230V and a frequency of 50/60Hz, with a maximum output apparent power of up to 36,000VA (60s peak) and a switching time of <20ms. In case of grid outages, it can quickly switch to emergency power supply mode to ensure continuous and stable power supply for critical loads, significantly improving energy supply reliability.
Intelligent Safety Detection: Built-in with insulation resistance detection and leakage current detection functions, and an optional string current detection module, it real-time monitors circuit operation status and component working conditions, accurately captures potential risks such as voltage abnormalities and current fluctuations, provides early warnings of fault hazards, and avoids safety issues from the source.
Comprehensive Fault Protection: Covering multiple protection mechanisms including PV reverse connection protection, battery reverse connection protection, anti-islanding protection, output short circuit protection, and overvoltage/overcurrent/overtemperature protection, it is equipped with Type III surge protection on the AC side and Type II surge protection on the DC side (both AC and DC support Type II surge protection). It comprehensively responds to various abnormal conditions such as circuit short circuits, voltage overloads, and extreme temperatures, ensuring the safety of equipment, PV modules, power grids, and on-site personnel.
Optional Safety Upgrade: DC arc protection and DC switches can be added according to scenario requirements to further improve the system safety level. It adapts to application scenarios with high safety requirements such as commercial and industrial fields, making the large-scale energy storage and power generation process more secure and meeting the usage needs of high-safety standard scenarios.
Multi-Dimensional Remote Monitoring: Equipped with rich communication interfaces such as electric meters, WiFi, 4G (optional), DRM, USB, BMS (CAN), and RS485, it supports dual-end access via mobile APP and computer monitoring website. Users can real-time view core parameters such as equipment output power, charge/discharge status, voltage and current, and conversion efficiency, keeping track of the system operation status anytime and anywhere to achieve remote and visual management.
Advanced Monitoring Platform & Convenient Operation: Connected to the FoxCloud V2.0 intelligent monitoring platform, it features advanced functions such as data statistical analysis, automatic fault alarm, and historical data tracing. The fuselage is equipped with 4 capacitive touch sensors for intuitive and convenient operation; a built-in alarm can accurately trigger alarm scenarios such as emergency output abnormalities and ground faults, helping users quickly locate problems, optimize energy storage and power generation strategies, reduce operation and maintenance costs, and improve management efficiency.
Low-Consumption & Quiet Operation: Adopting an intelligent fan cooling design, the operating noise is <45dB, avoiding interference with surrounding environments such as industrial production and commercial offices. It supports an idle mode with a hot standby power consumption of 200W and a cold standby power consumption of only 18W, minimizing energy loss in non-operating states and practicing the concept of energy conservation and low carbon.