Fox ESS H3 Pro 30kW 3-Phase Hybrid Inverter The Fox ESS H3 Pro 30kW 3PH Hybrid Inverter is built for three-phase solar and storage systems that need flexible battery integration, remote monitoring and outdoor-ready protection. It suits commercial and industrial projects where the system may need to be expanded later, and where UK expert support is important for design, commissioning and compliance. Key benefits Up to 30kW charge and discharge performance for larger three-phase hybrid systems. IP65-rated enclosure for outdoor installation. High-voltage battery architecture with app and web portal monitoring. Brief description This 3-phase hybrid inverter is designed for PV plus battery applications where flexibility matters. It supports remote monitoring, plug-and-play style installation and parallel expansion, making it suitable for warehouses, logistics sites, commercial roofs and other projects that need dependable three-phase energy management. Key features Hybrid inverter with 3 MPPTs. Parallel operation up to 10 units. Two battery inputs. Built-in EPS output for backup supply. Meter, WiFi, optional 4G, DRM, USB, BMS (CAN) and RS485 communication interfaces. Technical specifications Model H3-Pro-30.0 / AC3-Pro-30.0 Hybrid inverter model H3-Pro-30.0 AC inverter model AC3-Pro-30.0 Norminal AC power [VA] 30000 Max. apparent AC power [VA] 30000 Rated grid voltage (AC voltage range) [VAC] 400 / 230 ; 380 / 220 , 3L / N / PE Rated grid frequency [Hz] 50 / 60 Max. AC current [A] (per phase) 45.5 Power factor 1 (Adjustable from 0.8 Leading to 0.8 Lagging) Export control Yes THDI [%] <20 Battery type Lithium Battery Battery voltage [V] 340 ~ 850 Full AC load battery voltage [V] 400 / 230 ; 380 / 220 , 3L / N / PE Max. charge/discharge current [A] 50+50 Number of battery input 2 Communication interface CAN Max. recommended DC power [W] 35000 Max. DC voltage [V] 1000 Norminal DC operating voltage [V] 750 Max. input current [A] 32 Max. short circuit current [A] 40 MPPT voltage range [V] 340 ~ 850 MPPT voltage range [V] (full load) 400 ~ 790 Start-up voltage [V] 230 No. of MPP trackers 3 Strings per MPP tracker 2/2/2 Max. inverter backfeed current to the array 3 EPS max apparent AC power [VA] 30000 Peak apparent AC power [VA] (60s) 36000 Rated output voltage [V] 400 / 230 ; 380 / 220 , 3L / N / PE Rated grid frequency [Hz] 50 / 60 EPS max current [A] (per phase) 45.5 Power factor 1 (Adjustable from 0.8 Leading to 0.8 Lagging) Parallel operation Yes @Max10PCS Switch time [ms] <20 THDV [%] <3 @Rated Power MPPT efficiency [%] 99.90 Max. efficiency [%] 97.80 Max. battery to AC efficiency [%] 97.60 Max. PV to battery efficiency [%] 98.10 Euro-efficiency [%] 97.40 PV reverse polarity protection YES Battery reverse protection YES Anti-islanding protection YES Output short protection YES Leakage current protection YES Insulation resistor detection YES Over voltage category III (AC Side), II (DC Side) Reverse connect protection YES Over-current / over-temperature protection YES AC/DC surge protection Type II/Type II AFCI protection Optional DC switch Optional String monitoring function Optional Dimension (WxHxD) [mm] 600560225 Dimension of packing (WxHxD) [mm] 720680370 Net weight [kg] 52.5 Gross weight [kg] 57.5 Installation Wall-mounted Operating temperature range [°C] -25 ~ +60 (Derating at 45) Storage temperature [°C] -40 ~ +70 Noise emission (typical) [dB] <60 Storage/operation relative humidity [%] 0 ~ 95 (Without Condensation) Altitude [m] <4000 Protective class I Ingress protection IP65 (for Outdoor Use) Standby consumption [W] 200 for Hot Standby, 18 for Cold Standby Idle mode YES Cooling Smart FAN Cooling Inverter topology Non-isolated Communication interface Meter, WIFI, 4G(optional), DRM, USB, BMS(CAN), RS485 LCD display Backlight 16*4 Character Button Capacitive Touch Sensor *4 Buzzer 1, Inside (EPS&Earth Fault) Safety EN 62109-1, EN 62109-2 EMC IEC 61000-6-2, IEC 61000-6-3 Shipping Available to the UK, Ireland, Africa, the Caribbean and worldwide. If the shipping rate is not shown at checkout, contact us on +44 2080640335 or [email protected] for a quote. UK expert support UK expert support is available for product questions, system compatibility and installation queries. Contact us by phone, email or live chat, or visit our office for an in-person consultation. Where the product or wider system cannot be used out of the box, we recommend installation and commissioning through trusted partners. Documents available for download Fox ESS H3 Pro datasheet Fox ESS H3 Pro installation/user manual
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