{"product_id":"fox-ess-h3-pro-25kw-commercial-3-phase-hybrid-inverter","title":"Fox ESS H3 PRO 25kW Commercial 3-Phase Hybrid Inverter","description":"\u003cdiv style=\"font-size: 16px; line-height: 1.6;\"\u003e\n\u003c!-- A. Product Title \/ Heading --\u003e\n\u003ch1 style=\"text-align: center;\"\u003eFox ESS H3 Pro 25 kW 3‑Phase Hybrid Inverter\u003c\/h1\u003e\n\u003c!-- B. Key value proposition --\u003e\n\u003cul\u003e\n\u003cli\u003eThree‑phase hybrid inverter combining PV generation and high‑voltage battery storage in one unit, ideal for larger commercial and light industrial sites.\u003c\/li\u003e\n\u003cli\u003e25 kVA rated output with strong DC input capability, supporting sizeable arrays and robust self‑consumption, peak‑shaving and backup strategies.\u003c\/li\u003e\n\u003cli\u003eIP65‑rated, wall‑mounted design with remote monitoring via app and web portal, suitable for plant rooms or outdoor installations in UK conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- C. Brief Description --\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe Fox ESS H3 Pro 25 kW Three‑Phase Hybrid Inverter sits within the H3 Pro Series and is designed for sites that need both solar generation and high‑voltage battery storage on a three‑phase supply. It integrates PV, battery and grid control into one IP65‑rated unit with flexible configuration options.\u003c\/p\u003e\n\u003cp\u003eWhen paired with compatible Fox high‑voltage batteries, the H3‑Pro‑25.0 is well suited to logistics hubs, workshops, commercial offices and small factories requiring dependable three‑phase power, export control and backup capability. Installation should be carried out by a qualified electrician or solar installer.\u003c\/p\u003e\n\u003c!-- D. Key features --\u003e\n\u003ch2\u003eKey features \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThree‑phase hybrid operation with 25 kVA nominal AC power and high‑voltage battery support, providing headroom for demanding commercial loads.\u003c\/li\u003e\n\u003cli\u003eHigh DC power per MPPT tracker, dual MPPT and dual‑string architecture with wide MPPT voltage range for flexible array layouts.\u003c\/li\u003e\n\u003cli\u003eUp to 10 storage inverters can be connected in parallel, enabling scalable systems as site demand grows.\u003c\/li\u003e\n\u003cli\u003eIP65 wall‑mounted enclosure with smart fan cooling, hot and cold standby modes and non‑isolated topology.\u003c\/li\u003e\n\u003cli\u003eComprehensive protection including anti‑islanding, over‑current and over‑temperature protection, insulation monitoring and Type II AC\/DC surge protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- E. Technical specifications – all strings from datasheet --\u003e\n\u003ch2\u003eTechnical specifications \u003c\/h2\u003e\n\u003cp\u003eThe values below are taken from the Fox ESS H3 Pro Series datasheet (Version 1.6, 2023‑11‑22) for the H3‑Pro‑25.0 model. Always confirm against the latest official documentation before design or installation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHybrid inverter model:\u003c\/strong\u003e H3‑Pro‑25.0.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC inverter model:\u003c\/strong\u003e AC3‑Pro‑25.0.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated AC power (H3‑Pro‑25.0):\u003c\/strong\u003e 25000 VA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. apparent AC power (H3‑Pro‑25.0):\u003c\/strong\u003e 27500 VA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. AC power (series table):\u003c\/strong\u003e 45000 VA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated grid voltage (AC voltage range):\u003c\/strong\u003e 400 \/ 230 V; 380 \/ 220 V, 3L \/ N \/ PE.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated grid frequency:\u003c\/strong\u003e 50 \/ 60 Hz, ±5.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. AC current (per phase):\u003c\/strong\u003e 41.7 A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower factor:\u003c\/strong\u003e 1 (adjustable from 0.8 leading to 0.8 lagging).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExport control:\u003c\/strong\u003e Yes (including “Yes @Max10PCS” parallel operation).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHDI:\u003c\/strong\u003e \u0026lt;3 % @ rated power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery type:\u003c\/strong\u003e Lithium battery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery voltage range:\u003c\/strong\u003e 150 V – 800 V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull AC load battery voltage:\u003c\/strong\u003e 240 V – 790 V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. charge\/discharge current:\u003c\/strong\u003e 50 A + 50 A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of battery inputs:\u003c\/strong\u003e 2.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery communication interface:\u003c\/strong\u003e CAN.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. recommended DC power:\u003c\/strong\u003e 35000 W (series table for H3‑Pro‑25.0).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. DC voltage:\u003c\/strong\u003e 1000 V (for 1000 V system, maximum operating voltage 950 V; PV input \u0026gt;955 V reports PV overvoltage error).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal DC operating voltage:\u003c\/strong\u003e as per MPPT operating window (see MPPT voltage range).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. input current:\u003c\/strong\u003e 32 A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. short‑circuit current:\u003c\/strong\u003e 40 A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPPT voltage range:\u003c\/strong\u003e 340 V – 850 V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPPT voltage range (full load):\u003c\/strong\u003e 330 V – 790 V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart‑up voltage:\u003c\/strong\u003e 150 V (series value).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of MPPT trackers:\u003c\/strong\u003e 2.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrings per MPPT tracker:\u003c\/strong\u003e 2.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax inverter backfeed current to the array:\u003c\/strong\u003e 0 A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEPS max current (per phase):\u003c\/strong\u003e 37.9 A for 25000 VA EPS rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax apparent AC power (EPS):\u003c\/strong\u003e 25000 VA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak apparent AC power (60 s, EPS):\u003c\/strong\u003e 30000 VA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHDV:\u003c\/strong\u003e \u0026lt;60 % (EPS output section).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPPT efficiency:\u003c\/strong\u003e 99.90 %.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. efficiency:\u003c\/strong\u003e 97.80 %.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. battery‑to‑AC efficiency:\u003c\/strong\u003e 97.60 %.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. PV‑to‑battery efficiency:\u003c\/strong\u003e 98.10 %.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEuro efficiency:\u003c\/strong\u003e 97.40 %.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePV reverse polarity protection:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery reverse protection:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti‑islanding protection:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput short protection:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeakage current protection:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation resistor detection:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver‑voltage category:\u003c\/strong\u003e III (AC side), II (DC side).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse connect protection:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver‑current \/ over‑temperature protection:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC\/DC surge protection:\u003c\/strong\u003e Type II \/ Type II.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAFCI protection:\u003c\/strong\u003e Optional.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC switch:\u003c\/strong\u003e Optional.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eString monitoring function:\u003c\/strong\u003e Optional.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W × H × D):\u003c\/strong\u003e 600 mm × 560 mm × 225 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePacking dimensions (W × H × D):\u003c\/strong\u003e 720 mm × 680 mm × 370 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet weight:\u003c\/strong\u003e 52.5 kg.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGross weight:\u003c\/strong\u003e 57.5 kg.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Wall‑mounted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature range:\u003c\/strong\u003e −25 °C to +60 °C (derating at 45 °C).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage temperature:\u003c\/strong\u003e −40 °C to +70 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise emission (typical):\u003c\/strong\u003e \u0026lt;60 dB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage\/operation relative humidity:\u003c\/strong\u003e 0–95 % (without condensation).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAltitude:\u003c\/strong\u003e \u0026lt;4000 m.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective class:\u003c\/strong\u003e I.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIngress protection:\u003c\/strong\u003e IP65 (for outdoor use).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandby consumption:\u003c\/strong\u003e 200 W for hot standby, 18 W for cold standby.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdle mode:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Smart FAN cooling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter topology:\u003c\/strong\u003e Non‑isolated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication interfaces:\u003c\/strong\u003e Meter, Wi‑Fi, 4G (optional), DRM, USB, BMS (CAN), RS485.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLCD display:\u003c\/strong\u003e Backlight 16 × 4 character.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eButtons:\u003c\/strong\u003e Capacitive touch sensor × 4.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuzzer:\u003c\/strong\u003e 1, inside (EPS \u0026amp; Earth fault).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParallel operation:\u003c\/strong\u003e Yes, at max 10 PCS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch time:\u003c\/strong\u003e 0 ms (EPS output section).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety standards:\u003c\/strong\u003e EN 62109‑1, EN 62109‑2.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMC standards:\u003c\/strong\u003e IEC 61000‑6‑2, IEC 61000‑6‑3.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Documents --\u003e\n\u003ch2\u003eDocuments available for download\u003c\/h2\u003e\n\u003cp\u003ePlease review the latest Fox ESS documentation before specifying, installing or commissioning the Fox ESS H3 Pro 25 kW Three‑Phase Hybrid Inverter.\u003c\/p\u003e\n\u003cul\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\/Fox_ESS_H3_Pro_Datasheet_V1.6_11.22.pdf?v=1780823536\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\" target=\"_blank\"\u003eFox ESS H3 Pro Series datasheet\u003c\/a\u003e\u003c\/span\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\/h3-pro-user-manual.pdf?v=1780826672\" target=\"_blank\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\"\u003eFox ESS H3 Pro installation and user manual\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Shipping --\u003e\n\u003ch2\u003eShipping and availability\u003c\/h2\u003e\n\u003cp\u003eWe ship the Fox ESS H3 Pro 25 kW Three‑Phase Hybrid Inverter to the UK, Ireland, Africa, the Caribbean and worldwide. If a shipping rate is not shown at checkout, please contact us on +44 2080640335 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\u003eEnergian provides UK‑based expert support for Fox ESS three‑phase hybrid systems. Get in touch via phone, email or live chat if you need help with sizing, compatibility checks or project design, or if you would like to visit our office for an in‑person consultation.\u003c\/p\u003e\n\u003cp\u003eAs this inverter forms part of a wider PV and battery system rather than a plug‑and‑play product, we strongly recommend installation and commissioning via our trusted professional partners or your chosen qualified installer. We can work directly with your contractor to ensure the Fox ESS H3 Pro 25 kW, batteries and protection equipment are configured safely and in line with Fox ESS guidance and local regulations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Fox ESS","offers":[{"title":"Default Title","offer_id":57521130996094,"sku":"FE-H3-PRO-25.0","price":2814.61,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/FoxH3PROHybridInverter.jpg?v=1780823765","url":"https:\/\/www.energian.co.uk\/products\/fox-ess-h3-pro-25kw-commercial-3-phase-hybrid-inverter","provider":"Energian","version":"1.0","type":"link"}