{"product_id":"fox-ess-h3-plus-125kw-commercial-3-phase-hybrid-inverter","title":"Fox ESS H3 PLUS 125kW Commercial 3-Phase Hybrid Inverter","description":"\u003cdiv style=\"font-size: 18px; line-height: 1.6;\"\u003e \u003c!-- A. Product Title \/ Heading --\u003e \u003ch1 style=\"text-align: center;\"\u003eFox ESS H3 PLUS 125kW 3‑Phase Hybrid Inverter\u003c\/h1\u003e \u003c!-- B. Key value proposition --\u003e \u003ch2\u003eKey benefits\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e125kW three‑phase hybrid inverter for large commercial and industrial sites combining high‑voltage LFP batteries with substantial PV capacity.\u003c\/li\u003e \u003cli\u003eDesigned for long backup capability, fast EPS switchover and 100% unbalanced three‑phase output to support critical loads on complex three‑phase supplies.\u003c\/li\u003e \u003cli\u003eIntegrated with FoxCloud V2.0 for advanced remote monitoring and system management across multi‑inverter and multi‑battery installations.\u003c\/li\u003e \u003c\/ul\u003e \u003c!-- C. Brief Description --\u003e \u003ch2\u003eBrief description\u003c\/h2\u003e \u003cp\u003eThe Fox ESS H3 PLUS 125kW Commercial 3‑Phase Hybrid Inverter sits at the top of the H3 Plus range, which spans from 50kW to 125kW for commercial applications. It supports high‑voltage LFP battery stacks, long backup runtimes and less than 10ms EPS switching, making it suitable for logistics hubs, production lines, data rooms and other sites where continuity of supply matters. With a wide DC voltage window, high efficiency and IP65 construction, it is well suited to indoor plant rooms or sheltered outdoor installations.\u003c\/p\u003e \u003c!-- D. Key features --\u003e \u003ch2\u003eKey features\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eThree‑phase hybrid inverter with 125kW nominal AC power and up to 137.5kVA AC output on the H3‑125‑Plus model.\u003c\/li\u003e \u003cli\u003eHigh‑voltage LFP battery support (180–950V) with up to 240A charge\/discharge across three battery ports (80A + 80A + 80A).\u003c\/li\u003e \u003cli\u003ePV input up to 250kW with 8 MPPTs and two strings per tracker for flexible commercial array design.\u003c\/li\u003e \u003cli\u003eEPS function with less than 10ms switching time, 155kVA EPS rating and 300A LRA for starting demanding loads.\u003c\/li\u003e \u003cli\u003eColour LCD display plus LED\/Wi‑Fi app interface via FoxCloud V2.0 for local and remote visibility.\u003c\/li\u003e \u003c\/ul\u003e \u003c!-- E. Technical specifications – all strings from the datasheet relevant to H3-125-Plus and shared data --\u003e \u003ch2\u003eTechnical specifications\u003c\/h2\u003e \u003ch3\u003ePV input\u003c\/h3\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eMax. Array Power [kW]\u003c\/td\u003e \u003ctd\u003e250 (H3‑125‑Plus)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMax. Input Power [kW]\u003c\/td\u003e \u003ctd\u003e250 (H3‑125‑Plus)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eWithstand Voltage [V]\u003c\/td\u003e \u003ctd\u003e1000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eInput Voltage Range [V]\u003c\/td\u003e \u003ctd\u003e180 ~ 950\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMax. MPPT Input Current [A]\u003c\/td\u003e \u003ctd\u003e40\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMax. MPPT Short Circuit Current [A]\u003c\/td\u003e \u003ctd\u003e50\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMPPT Voltage Range [V]\u003c\/td\u003e \u003ctd\u003e180 ~ 850\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eStart‑up Voltage [V]\u003c\/td\u003e \u003ctd\u003e180\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eNo. of MPP Trackers\u003c\/td\u003e \u003ctd\u003e8 (H3‑125‑Plus)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eStrings per MPP Tracker\u003c\/td\u003e \u003ctd\u003e2 (all models)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eBattery specification\u003c\/h3\u003e \u003ctable style=\"width: 100.087%;\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"width: 65.2339%;\"\u003eBattery Type\u003c\/td\u003e \u003ctd style=\"width: 34.5036%;\"\u003eLFP (LiFePO₄)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 65.2339%;\"\u003eVoltage Range [V]\u003c\/td\u003e \u003ctd style=\"width: 34.5036%;\"\u003e180 ~ 950\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 65.2339%;\"\u003eMax. Charging\/Discharging Current [A]\u003c\/td\u003e \u003ctd style=\"width: 34.5036%;\"\u003e240 (80+80+80)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 65.2339%;\"\u003eBattery Port\u003c\/td\u003e \u003ctd style=\"width: 34.5036%;\"\u003e3\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 65.2339%;\"\u003eCommunication\u003c\/td\u003e \u003ctd style=\"width: 34.5036%;\"\u003eCAN*3\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eAC output (on‑grid)\u003c\/h3\u003e \u003ctable style=\"width: 100.087%;\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"width: 66.2821%;\"\u003eModel\u003c\/td\u003e \u003ctd style=\"width: 33.4555%;\"\u003eH3‑125‑Plus\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.2821%;\"\u003eNominal AC Power [kW]\u003c\/td\u003e \u003ctd style=\"width: 33.4555%;\"\u003e125\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.2821%;\"\u003eMax. AC Output Power [kVA]\u003c\/td\u003e \u003ctd style=\"width: 33.4555%;\"\u003e137.5\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.2821%;\"\u003eRated AC Output Current (Per Phase) [A]\u003c\/td\u003e \u003ctd style=\"width: 33.4555%;\"\u003e189.9\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.2821%;\"\u003eMax. AC Output Current (Per Phase) [A]\u003c\/td\u003e \u003ctd style=\"width: 33.4555%;\"\u003e198.5\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.2821%;\"\u003eNominal AC Voltage [V]\u003c\/td\u003e \u003ctd style=\"width: 33.4555%;\"\u003e380\/400, 3W+N+PE or 3W+PE\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.2821%;\"\u003eAC Voltage Range [Un]\u003c\/td\u003e \u003ctd style=\"width: 33.4555%;\"\u003e0.8 ~ 1.2\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.2821%;\"\u003eNominal AC Frequency [Hz]\u003c\/td\u003e \u003ctd style=\"width: 33.4555%;\"\u003e50\/60\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.2821%;\"\u003eFrequency Range [Hz]\u003c\/td\u003e \u003ctd style=\"width: 33.4555%;\"\u003e50\/60, ±5\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.2821%;\"\u003ePower Factor\u003c\/td\u003e \u003ctd style=\"width: 33.4555%;\"\u003e0.8 Leading ~ 0.8 Lagging\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.2821%;\"\u003eTHDi [%]\u003c\/td\u003e \u003ctd style=\"width: 33.4555%;\"\u003e\u0026lt;3 @Rated Power\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eAC input\u003c\/h3\u003e \u003ctable style=\"width: 100.087%;\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"width: 66.5985%;\"\u003eMax. AC Input Power [kVA]\u003c\/td\u003e \u003ctd style=\"width: 33.139%;\"\u003e207\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.5985%;\"\u003eMax. Bypass Current [A]\u003c\/td\u003e \u003ctd style=\"width: 33.139%;\"\u003e300\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.5985%;\"\u003eNominal AC Voltage [V]\u003c\/td\u003e \u003ctd style=\"width: 33.139%;\"\u003e380\/400, 3W+N+PE or 3W+PE\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.5985%;\"\u003eFrequency Range [Hz]\u003c\/td\u003e \u003ctd style=\"width: 33.139%;\"\u003e50\/60, ±5\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eEPS output (load)\u003c\/h3\u003e \u003ctable style=\"width: 100.087%;\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"width: 66.9996%;\"\u003eMax. AC Output Power [kVA]\u003c\/td\u003e \u003ctd style=\"width: 32.738%;\"\u003e155\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.9996%;\"\u003ePeak AC Output Power [kVA] (10s)\u003c\/td\u003e \u003ctd style=\"width: 32.738%;\"\u003e155\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.9996%;\"\u003eLRA Current [A]\u003c\/td\u003e \u003ctd style=\"width: 32.738%;\"\u003e300\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.9996%;\"\u003eNominal AC Voltage [V]\u003c\/td\u003e \u003ctd style=\"width: 32.738%;\"\u003e380\/400, 3W+N+PE or 3W+PE\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.9996%;\"\u003eNominal AC Frequency [Hz]\u003c\/td\u003e \u003ctd style=\"width: 32.738%;\"\u003e50\/60\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.9996%;\"\u003eSwitching Time [ms]\u003c\/td\u003e \u003ctd style=\"width: 32.738%;\"\u003e\u0026lt;10\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 66.9996%;\"\u003eTHDv [%]\u003c\/td\u003e \u003ctd style=\"width: 32.738%;\"\u003e\u0026lt;3 @Rated Power\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eEfficiency\u003c\/h3\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eEuropean Efficiency [%]\u003c\/td\u003e \u003ctd\u003e98.1\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMax. Efficiency [%]\u003c\/td\u003e \u003ctd\u003e98.5\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eProtection\u003c\/h3\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eDC Input Switch\u003c\/td\u003e \u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBattery Reverse Polarity\u003c\/td\u003e \u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePV Reverse Polarity\u003c\/td\u003e \u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAC Overcurrent Protection\u003c\/td\u003e \u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAC Output Short Circuit Protection\u003c\/td\u003e \u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAC\/DC Surge Protection\u003c\/td\u003e \u003ctd\u003eClass II\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eISO Detection\u003c\/td\u003e \u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eResidual Current Detection\u003c\/td\u003e \u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGround Fault Detection\u003c\/td\u003e \u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAFCI\u003c\/td\u003e \u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eTerminal Overtemperature Protection\u003c\/td\u003e \u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eString Current Detection\u003c\/td\u003e \u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eGeneral specification\u003c\/h3\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eDimensions (WHD) [mm]\u003c\/td\u003e \u003ctd\u003e7301060305\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eWeight [kg]\u003c\/td\u003e \u003ctd\u003e115 (H3‑50‑Plus\/H3‑60‑Plus); 120 (H3‑75‑Plus\/H3‑80‑Plus\/H3‑100‑Plus\/H3‑125‑Plus)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Temperature [°C]\u003c\/td\u003e \u003ctd\u003e–30 ~ 60\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCooling Method\u003c\/td\u003e \u003ctd\u003eSmart Air Cooling\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Altitude [m]\u003c\/td\u003e \u003ctd\u003e4000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eHumidity [%]\u003c\/td\u003e \u003ctd\u003e0 ~ 100\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eNoise [dB]\u003c\/td\u003e \u003ctd\u003e\u0026lt;70\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eStandby Consumption [W]\u003c\/td\u003e \u003ctd\u003e\u0026lt;60\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDC‑Link EV Charger Ready [kW]\u003c\/td\u003e \u003ctd\u003e20 ~ 50\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eIngress Protection (IP) Rating\u003c\/td\u003e \u003ctd\u003eIP65\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eTopology\u003c\/td\u003e \u003ctd\u003eNon‑Isolation\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDisplay\u003c\/td\u003e \u003ctd\u003eLED, LCD, Wi‑Fi+APP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCommunication Ports\u003c\/td\u003e \u003ctd\u003eUSB \/ RS485 \/ Bluetooth \/ Wi‑Fi+LAN \/ 4G(Optional) \/ CAN\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c!-- F. Shipping --\u003e \u003ch2\u003eShipping\u003c\/h2\u003e \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 shipping quote.\u003c\/p\u003e \u003c!-- UK expert support --\u003e \u003ch2\u003eUK expert support\u003c\/h2\u003e \u003cp\u003eUK expert support is available to help with system design, battery sizing and integration of the Fox ESS H3 PLUS 125kW Commercial 3‑Phase Hybrid Inverter into your project. For large commercial and industrial systems we recommend installation and commissioning through our trusted partners to ensure compliance with local grid codes and safe operation of high‑voltage PV and battery equipment.\u003c\/p\u003e \u003cp\u003eYou can contact us via phone, email or live chat, or visit our office for an in‑person consultation to discuss your site requirements and hybrid system configuration.\u003c\/p\u003e \u003c!-- Documents --\u003e \u003ch2\u003eDocuments available for download\u003c\/h2\u003e \u003cul\u003e \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-datasheet.pdf?v=1780838317\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\" target=\"_blank\"\u003eFox ESS H3 Plus datasheet (includes H3‑125‑Plus)\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e \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 \u003c\/ul\u003e \u003c\/div\u003e","brand":"Fox ESS","offers":[{"title":"Default Title","offer_id":54909071655251,"sku":"FE-H3-PLUS-125.0","price":4335.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/fox-ess-h3-plus.jpg?v=1789038087","url":"https:\/\/progradewarehouse.com\/products\/fox-ess-h3-plus-125kw-commercial-3-phase-hybrid-inverter","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}