{"product_id":"fox-ess-h3-plus-50kw-commercial-3-phase-hybrid-inverter","title":"Fox ESS H3 PLUS 50kW Commercial 3-Phase Hybrid Inverter","description":"\u003cdiv style=\"font-size: 18px; line-height: 1.6;\"\u003e\n\u003c!-- A. Product Title \/ Heading --\u003e\n\u003ch1 style=\"text-align: center;\"\u003eFox ESS H3 PLUS 50kW  3‑Phase Hybrid Inverter\u003c\/h1\u003e\n\u003c!-- B. Key value proposition --\u003e\n\u003ch2\u003eKey benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e50kW three‑phase hybrid inverter for commercial and industrial solar plus storage systems, supporting PV and LiFePO₄ battery integration in one unit.\u003c\/li\u003e\n\u003cli\u003eDesigned for long backup capability with fast EPS switchover, helping keep key loads running during power cuts in warehouses, depots and commercial facilities.\u003c\/li\u003e\n\u003cli\u003eAdvanced monitoring with FoxCloud V2.0, plus multiple communication ports for easy integration into existing energy management and BMS setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- C. Brief Description --\u003e\n\u003ch2\u003eBrief description\u003c\/h2\u003e\n\u003cp\u003eThe Fox ESS H3 PLUS 50kW Commercial 3‑Phase Hybrid Inverter is a high‑capacity solution for sites that want to combine rooftop or ground‑mount solar with battery storage on a three‑phase supply. It supports unbalanced three‑phase outputs, long backup runtimes and fast EPS switching, making it well suited to logistics centres, light manufacturing, office buildings and business parks where uptime matters. With IP65 protection, smart air cooling and remote monitoring via FoxCloud V2.0, it is designed for demanding commercial environments and ongoing performance tracking.\u003c\/p\u003e\n\u003c!-- D. Key features --\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThree‑phase hybrid inverter, 50kW nominal AC power with up to 55kVA AC output and EPS support.\u003c\/li\u003e\n\u003cli\u003ePV input up to 100kW array power with four MPPTs and two strings per tracker for flexible array layouts.\u003c\/li\u003e\n\u003cli\u003eCompatible with high‑voltage LFP (LiFePO₄) batteries, supporting 180–950V and up to 240A charge\/discharge across three battery ports.\u003c\/li\u003e\n\u003cli\u003eSupports 100% unbalanced three‑phase output and less than 10ms EPS switching time for sensitive loads.\u003c\/li\u003e\n\u003cli\u003eIntegrated LED\/LCD interface plus USB, RS485, Bluetooth, Wi‑Fi+LAN, optional 4G and CAN communication for monitoring and control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- E. Technical specifications – all strings from datasheet for H3-50-Plus --\u003e\n\u003ch2\u003eTechnical specifications \u003c\/h2\u003e\n\u003ch3\u003eGeneral\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eH3‑50‑Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVersion\u003c\/td\u003e\n\u003ctd\u003eVersion2.6 | 2025\/08\/26\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eH3 Plus three‑phase hybrid inverter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePV input\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Array Power [kW]\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Input Power [kW]\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstand Voltage [V]\u003c\/td\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range [V]\u003c\/td\u003e\n\u003ctd\u003e180 ~ 950\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. MPPT Input Current [A]\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. MPPT Short Circuit Current [A]\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPPT Voltage Range [V]\u003c\/td\u003e\n\u003ctd\u003e180 ~ 850\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStart‑up Voltage [V]\u003c\/td\u003e\n\u003ctd\u003e180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo. of MPP Trackers\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrings per MPP Tracker\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBattery specification\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eLFP (LiFePO₄)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Range [V]\u003c\/td\u003e\n\u003ctd\u003e180 ~ 950\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Charging\/Discharging Current [A]\u003c\/td\u003e\n\u003ctd\u003e240 (80+80+80)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Port\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eCAN*3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAC output\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal AC Power [kW]\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. AC Output Power [kVA]\u003c\/td\u003e\n\u003ctd\u003e55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated AC Output Current (Per Phase) [A]\u003c\/td\u003e\n\u003ctd\u003e76\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. AC Output Current (Per Phase) [A]\u003c\/td\u003e\n\u003ctd\u003e83.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal AC Voltage [V]\u003c\/td\u003e\n\u003ctd\u003e380\/400, 3W+N+PE or 3W+PE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Voltage Range [Un]\u003c\/td\u003e\n\u003ctd\u003e0.8 ~ 1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal AC Frequency [Hz]\u003c\/td\u003e\n\u003ctd\u003e50\/60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range [Hz]\u003c\/td\u003e\n\u003ctd\u003e50\/60, ±5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Factor\u003c\/td\u003e\n\u003ctd\u003e0.8 Leading ~ 0.8 Lagging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHDi [%]\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3 @Rated Power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAC input\u003c\/h3\u003e\n\u003ctable style=\"width: 100.087%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 52.4298%;\"\u003eMax. AC Input Power [kVA]\u003c\/td\u003e\n\u003ctd style=\"width: 47.089%;\"\u003e207\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 52.4298%;\"\u003eMax. Bypass Current [A]\u003c\/td\u003e\n\u003ctd style=\"width: 47.089%;\"\u003e300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 52.4298%;\"\u003eNominal AC Voltage [V]\u003c\/td\u003e\n\u003ctd style=\"width: 47.089%;\"\u003e380\/400, 3W+N+PE or 3W+PE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 52.4298%;\"\u003eFrequency Range [Hz]\u003c\/td\u003e\n\u003ctd style=\"width: 47.089%;\"\u003e50\/60, ±5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEPS output (load)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. AC Output Power [kVA]\u003c\/td\u003e\n\u003ctd\u003e55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak AC Output Power [kVA] (10s)\u003c\/td\u003e\n\u003ctd\u003e155\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLRA Current [A]\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal AC Voltage [V]\u003c\/td\u003e\n\u003ctd\u003e380\/400, 3W+N+PE or 3W+PE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal AC Frequency [Hz]\u003c\/td\u003e\n\u003ctd\u003e50\/60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Time [ms]\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHDv [%]\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3 @Rated Power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEfficiency\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEuropean Efficiency [%]\u003c\/td\u003e\n\u003ctd\u003e98.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Efficiency [%]\u003c\/td\u003e\n\u003ctd\u003e98.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProtection\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Input Switch\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Reverse Polarity\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePV Reverse Polarity\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Overcurrent Protection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Output Short Circuit Protection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC\/DC Surge Protection\u003c\/td\u003e\n\u003ctd\u003eClass II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eISO Detection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResidual Current Detection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGround Fault Detection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAFCI\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Overtemperature Protection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eString Current Detection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eGeneral specification\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (WHD) [mm]\u003c\/td\u003e\n\u003ctd\u003e730 X 1060 X 305mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight [kg]\u003c\/td\u003e\n\u003ctd\u003e115\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature [°C]\u003c\/td\u003e\n\u003ctd\u003e-30 ~ 60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Method\u003c\/td\u003e\n\u003ctd\u003eSmart Air Cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Altitude [m]\u003c\/td\u003e\n\u003ctd\u003e4000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity [%]\u003c\/td\u003e\n\u003ctd\u003e0 ~ 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise [dB]\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Consumption [W]\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC‑Link EV Charger Ready [kW]\u003c\/td\u003e\n\u003ctd\u003e20 ~ 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress Protection (IP) Rating\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopology\u003c\/td\u003e\n\u003ctd\u003eNon‑Isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eLED, LCD, Wi‑Fi+APP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eUSB \/ RS485 \/ Bluetooth \/ Wi‑Fi+LAN \/ 4G(Optional) \/ CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- F. Shipping --\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eShipping is available to the UK, Ireland, Africa, the Caribbean and worldwide. If the shipping rate is not shown at checkout, please contact us on \u003ca href=\"tel:+442080640335\"\u003e+44 2080640335\u003c\/a\u003e or \u003ca href=\"mailto:info@energian.co.uk\"\u003einfo@energian.co.uk\u003c\/a\u003e for a tailored quote.\u003c\/p\u003e\n\u003c!-- UK expert support --\u003e\n\u003ch2\u003eUK expert support\u003c\/h2\u003e\n\u003cp\u003eUK expert support is available to help with product selection, system design and technical queries around the Fox ESS H3 PLUS 50kW Commercial 3‑Phase Hybrid Inverter. For most commercial projects we recommend installation and commissioning via our trusted partners to ensure compliance with local electrical standards and correct integration with PV, batteries and backup loads.\u003c\/p\u003e\n\u003cp\u003eYou can reach us by phone, email or live chat, or visit our office for an in‑person consultation about your project requirements and system configuration.\u003c\/p\u003e\n\u003c!-- Documents --\u003e\n\u003ch2\u003eDocuments available for download\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.fox-ess.com\" rel=\"noopener\" target=\"_blank\"\u003eFox ESS H3 Plus datasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/EN-H3-Plus-P3-Plus-User_Manual-V1.1-EU.pdf?v=1780838467\" target=\"_blank\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\"\u003eFox ESS H3 Plus installation\/user manual\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Fox ESS","offers":[{"title":"Default Title","offer_id":57521529422206,"sku":"FE-H3-PLUS-50.0","price":5196.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/fox-ess-h3-plus.jpg?v=1780838599","url":"https:\/\/www.energian.co.uk\/products\/fox-ess-h3-plus-50kw-commercial-3-phase-hybrid-inverter","provider":"Energian","version":"1.0","type":"link"}