{"title":"Three-Phase Grid-Tie Inverters","description":"\u003cp\u003eThree-phase grid-tie inverters are built for larger residential, commercial and industrial solar systems. They convert DC power from solar panels into AC power and feed it evenly across all three phases of the electrical grid, keeping power distribution balanced and efficient.\u003c\/p\u003e\u003cp\u003eThese units support higher power outputs than single-phase models, making them the right choice for sites with three-phase electrical infrastructure or heavier energy demands. As with single-phase inverters, they store no energy and need a live grid connection to run.\u003c\/p\u003e\u003cp\u003eThe range here spans smaller commercial systems up to large-scale installations, with options from Elios, SMA and Solis including G98\/G99 compliant models, export limitation and net metering features.\u003c\/p\u003e","products":[{"product_id":"sma-tripower-x-20kw-inverter","title":"3-Phase Grid-Tie Solar Inverter 20kW IP65 | SMA Sunny Tripower X","description":"\u003cp\u003eThe SMA Sunny Tripower X 20kW is a three phase grid tie inverter built for commercial PV systems and large residential installations. It runs three independent MPP trackers, accepts up to 1000VDC on the input side, and sits in an IP65 enclosure suitable for outdoor mounting. An integrated system manager adds monitoring and control across multiple inverters without extra hardware.\u003c\/p\u003e\u003ch2\u003eGrid tie inverter key features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated output\u003c\/strong\u003e, 20kW AC at 230V, 50Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPP trackers\u003c\/strong\u003e, three independent trackers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput voltage\u003c\/strong\u003e, up to 1000VDC maximum, 345 to 800V MPP range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent per tracker\u003c\/strong\u003e, 24A maximum usable input current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency\u003c\/strong\u003e, 98.2% maximum, 97.9% European efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure\u003c\/strong\u003e, IP65 rated for outdoor installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBuilt-in system functions\u003c\/h2\u003e\u003cp\u003eSMA ShadeFix improves yield during partial shading by optimising at the inverter level, without module-level optimisers. SMA ArcFix provides active DC arc-fault detection. The integrated system manager can monitor and control up to five SMA inverters plus one energy meter, handling dynamic power control and feed-in management for systems up to 135kVA. Communication runs over Ethernet, local WLAN, or RS485, using SMA Modbus and SunSpec Modbus protocols, with direct access to Sunny Portal via ennexOS for remote monitoring.\u003c\/p\u003e\u003ch2\u003eProduct family\u003c\/h2\u003e\u003cp\u003eThis 20kW model shares its platform and footprint with the 12kW, 15kW, and 25kW variants in the Sunny Tripower X range. The three MPP trackers give independent string management, which helps on roofs with mixed orientations or shading.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eSuited to commercial rooftop and ground-mounted PV, large residential solar arrays, multi-inverter sites needing centralised monitoring, and installations with partial shading or several roof aspects.\u003c\/p\u003e\u003ch2\u003eInstallation notes\u003c\/h2\u003e\u003cp\u003eInstallation must be carried out by a qualified electrical engineer or MCS-accredited solar installer. Connection at this power level requires G99 notification and DNO approval in the UK. DC wiring, string fusing, AC protection and earthing must follow IET Wiring Regulations and SMA's installation manual, with commissioning completed via SMA's commissioning tools before the system is switched on.\u003c\/p\u003e","brand":"SMA","offers":[{"title":"Default Title","offer_id":52049599332640,"sku":"STP20-50","price":3142.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/8148\/1504\/files\/ledandsolar-stp20-50-1.webp?v=1785330321"},{"product_id":"three-phase-11kw-on-grid-inverter","title":"11kW Three-Phase On-Grid Solar Inverter IP65 | Elios","description":"\u003cp\u003eThe Elios 11kW is a three-phase on-grid solar inverter built for commercial and industrial PV systems on a 400VAC supply. It converts solar DC power for self-consumption or grid export, with built-in export limitation via three-phase CT current sensors and Wi-Fi monitoring for remote diagnostics.\u003c\/p\u003e\u003ch2\u003eThree-phase grid tie inverter features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput\u003c\/strong\u003e, 11kW rated power at three-phase 400VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak efficiency\u003c\/strong\u003e, 98.3% at full load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC input range\u003c\/strong\u003e, 160V to 1000V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eController\u003c\/strong\u003e, DSP for grid management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitoring\u003c\/strong\u003e, integrated Wi-Fi, plus USB and RS485 communications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExport control\u003c\/strong\u003e, three-phase CT current transformer sensors, with a zero-export mode for full self-consumption\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection\u003c\/strong\u003e, IP65 rated for outdoor mounting, with an integrated DC solar isolator\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eLED indicators in green, amber and red show operating status at a glance, and DC connections use standard MC4 connectors.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eSuited to commercial and industrial three-phase grid-connected solar PV installations, particularly where the DNO requires export limitation or zero export. The three-phase CT sensor fits in the consumer unit and measures consumption across all three phases, so the inverter can throttle output to stay within the agreed limit. It also meets UK and European anti-islanding requirements, shutting down automatically if the grid supply is interrupted. The unit is G100 compliant.\u003c\/p\u003e\u003ch3\u003eInstallation notes\u003c\/h3\u003e\u003cp\u003eInstallation must be carried out by a qualified electrician or MCS-accredited solar installer. Three-phase grid-connected inverters in the UK require a G99 application and DNO approval before connection. DC isolators, AC protection, surge protection and earthing must comply with BS 7671, and CT sensors must be fitted in the consumer unit by a qualified electrician. This is not a DIY installation.\u003c\/p\u003e","brand":"Elios","offers":[{"title":"Default Title","offer_id":52053960950048,"sku":"PH50-11000TM","price":1422.23,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/8148\/1504\/files\/ledandsolar-ph50-11000tm-1.webp?v=1785425025"},{"product_id":"grid-tie-inverter-15kw-three-phase","title":"Elios 15kW Three-Phase Grid Tie Solar Inverter G98\/G99 | Fanless","description":"\u003cp\u003eThe Elios 15kW is a three-phase grid tied solar inverter with three independent MPPT controllers, Wi-Fi monitoring and fanless cooling. It is G98\/G99 compliant for UK grid connection and suited to commercial and industrial solar PV installations. IP65 rated, with a maximum PV input of 18kW.\u003c\/p\u003e\u003ch2\u003eKey features of this grid tied solar inverter\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput\u003c\/strong\u003e, 15kW three-phase on-grid output at 320 to 478VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPPT design\u003c\/strong\u003e, three independent MPPT controllers, 200V to 1000V DC range per MPPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eString capacity\u003c\/strong\u003e, up to 20 panels in series per PV string\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax PV input\u003c\/strong\u003e, 18000W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak efficiency\u003c\/strong\u003e, 98.3% at full load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling\u003c\/strong\u003e, fanless natural convection through a large aluminium heatsink\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection rating\u003c\/strong\u003e, IP65 for outdoor installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct overview\u003c\/h2\u003e\u003cp\u003eThe inverter converts solar DC power into three-phase 320 to 478VAC output for self-consumption or export. Three independent MPPT controllers let it manage three separate string inputs, useful on commercial roofs with multiple orientations or partial shading across different sections.\u003c\/p\u003e\u003cp\u003eFanless cooling removes moving parts entirely. Natural convection through the aluminium heatsink keeps operating temperatures in check without noise or maintenance, which suits noise-sensitive commercial sites.\u003c\/p\u003e\u003cp\u003eExport limitation via CT clamp adjusts output in real time to match consumption, giving zero-export or a fixed export level as required by the DNO. Monitoring runs through the Wi-Fi app or a Solar Assistant Orange Pi controller for more detailed local and remote monitoring.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCommercial and industrial three-phase grid-connected solar PV systems\u003c\/li\u003e\n\u003cli\u003eMulti-orientation rooftop arrays benefiting from three independent MPPTs\u003c\/li\u003e\n\u003cli\u003eInstallations requiring export limitation, zero-export mode or net metering\u003c\/li\u003e\n\u003cli\u003eNoise-sensitive sites where fanless operation is needed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation and safety notes\u003c\/h2\u003e\u003cp\u003eFitting must be carried out by a qualified electrician or MCS-accredited solar installer. Three-phase grid-connected inverters in the UK need a G99 application and DNO approval before connection. DC isolators, AC protection, surge protection and earthing must comply with BS 7671. CT sensors must be fitted by a qualified electrician; this is not a DIY installation.\u003c\/p\u003e","brand":"Elios","offers":[{"title":"Default Title","offer_id":52053961146656,"sku":"PH50TM-15000","price":1537.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/8148\/1504\/files\/ledandsolar-ph50tm-15000-1.webp?v=1785425122"},{"product_id":"three-phase-grid-tie-inverter-15kw","title":"Sunny Tripower X 15kW 3-Phase Grid-Tie Inverter | SMA","description":"\u003cp\u003eThe SMA Sunny Tripower X 15kW is a three phase grid-tied solar inverter built for commercial PV systems and larger residential installations. Three independent MPP trackers, a maximum input voltage of 1000VDC and an IP65 enclosure give it a specified platform for demanding solar projects.\u003c\/p\u003e\u003ch2\u003eThree phase grid tie inverter with independent string management\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated AC output\u003c\/strong\u003e, 15kW at 230V, 50Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPP trackers\u003c\/strong\u003e, three independent trackers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax input voltage\u003c\/strong\u003e, 1000VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPP voltage range\u003c\/strong\u003e, 260-800V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax input current per tracker\u003c\/strong\u003e, 24A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency\u003c\/strong\u003e, 98.2% maximum, 97.8% European\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure\u003c\/strong\u003e, IP65, suitable for outdoor installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSMA ShadeFix optimises yield during partial shading at inverter level\u003c\/li\u003e\n\u003cli\u003eSMA ArcFix provides active DC arc-fault detection\u003c\/li\u003e\n\u003cli\u003eIntegrated system manager monitors and controls up to 5 SMA inverters and one energy meter\u003c\/li\u003e\n\u003cli\u003eSMA Dynamic Power Control for active and reactive power management\u003c\/li\u003e\n\u003cli\u003eEthernet, local WLAN and RS485 communication, with SMA Modbus and SunSpec Modbus protocols\u003c\/li\u003e\n\u003cli\u003eOptiCool thermal management\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct overview\u003c\/h3\u003e\u003cp\u003eThis 15kW model sits within the Sunny Tripower X range, which spans 12kW to 25kW on a shared platform and installation footprint. The three MPP trackers let strings on different roof orientations or with different shading run independently, which helps yield across complex arrays. The system manager removes the need for a separate monitoring device on smaller commercial sites, coordinating up to five inverters, and connects directly to Sunny Portal via ennexOS for remote monitoring.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eCommercial rooftop and ground-mounted PV, larger residential systems, multi-inverter installations with centralised monitoring, and sites with partial shading or multiple roof orientations.\u003c\/p\u003e\u003ch3\u003eInstallation and safety notes\u003c\/h3\u003e\u003cp\u003eInstallation must be carried out by a qualified electrical engineer or MCS-accredited solar installer. G99 notification and DNO approval are required at this power level in the UK. DC wiring, string fusing, AC protection and earthing must follow IET Wiring Regulations and SMA's installation manual, with commissioning via SMA tools before operation.\u003c\/p\u003e","brand":"SMA","offers":[{"title":"Default Title","offer_id":52060751429920,"sku":"STP15-50","price":2855.48,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/8148\/1504\/files\/ledandsolar-stp15-50-1.webp?v=1785503194"},{"product_id":"solis-17kw-three-phase-inverter","title":"Solis 5G 17kW Three Phase Grid-Tie Inverter | S5-GR3P17K-DC","description":"\u003cp\u003eThe \u003cstrong\u003eSolis S5-GR3P17K-DC\u003c\/strong\u003e is a 17kW three-phase grid-tied solar inverter built for commercial installations. It reaches 98.7% maximum efficiency and uses two independent MPPT trackers spanning a 160V to 1000V range, with a 180V startup voltage that lets it begin generating earlier in the day.\u003c\/p\u003e\u003ch2\u003eKey features of this solis 3 phase inverter\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated output\u003c\/strong\u003e, 17kW, three phase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum efficiency\u003c\/strong\u003e, 98.7%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPPT trackers\u003c\/strong\u003e, 2 independent, 160V to 1000V range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStartup voltage\u003c\/strong\u003e, 180V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eString input current\u003c\/strong\u003e, 16A maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure rating\u003c\/strong\u003e, IP66\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandby consumption\u003c\/strong\u003e, below 1W\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct overview\u003c\/h2\u003e\u003cp\u003eThe natural convection cooling design removes the fan failure risk associated with active-cooled inverters over long service life. In dusty environments such as agricultural buildings or industrial sites, fans accumulate debris and need regular cleaning; a fanless approach avoids that maintenance entirely.\u003c\/p\u003e\u003cp\u003eA 180V startup voltage lets the inverter begin generating at lower irradiance than many comparable units, extending effective generation time either side of peak sun. On a UK site this can add useful output during spring and autumn mornings.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCommercial and industrial rooftop solar systems\u003c\/li\u003e\n\u003cli\u003eAgricultural buildings and farm solar installations\u003c\/li\u003e\n\u003cli\u003eSites requiring low-maintenance fanless inverter operation\u003c\/li\u003e\n\u003cli\u003eInstallations with export limitation requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation notes\u003c\/h3\u003e\u003cp\u003eThree-phase grid connection requires G99 compliance and DNO notification in the UK. Installation must be carried out by a qualified MCS-accredited installer, and string voltage should be calculated under cold conditions to stay within the 1000V maximum input.\u003c\/p\u003e","brand":"Solis","offers":[{"title":"Default Title","offer_id":52060754182432,"sku":"S5-GR3P17K-DC","price":996.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/8148\/1504\/files\/ledandsolar-s5-gr3p17k-dc-1.webp?v=1785503803"},{"product_id":"solis-5g-pro-100kw-inverter","title":"Solis 100kW 3-Phase Grid-Tied Solar Inverter | 5G Pro","description":"\u003cp\u003eThe Solis 5G Pro 100kW is a transformerless three-phase grid-tied solar inverter built for commercial and industrial PV installations. It runs at up to 98.7% maximum efficiency (98.3% EU efficiency), using 6 or 8 MPPT trackers to handle up to 16 string inputs across large, high-density arrays.\u003c\/p\u003e\u003ch2\u003eGrid tied solar inverter features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated output\u003c\/strong\u003e, 100kW, with a peak of 110kVA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency\u003c\/strong\u003e, 98.7% maximum, 98.3% EU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPPT design\u003c\/strong\u003e, 6 or 8 trackers with up to 16 string inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eString input current\u003c\/strong\u003e, 36A maximum per string\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC\/AC ratio\u003c\/strong\u003e, above 150% for dense array layouts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure\u003c\/strong\u003e, IP66 rated with intelligent redundant fan cooling\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNight SVG lets the inverter supply reactive power compensation to the grid outside solar generation hours, which matters on sites with grid operator power factor requirements. AFCI arc fault protection and PID recovery are available as optional functions.\u003c\/p\u003e\u003ch2\u003eWhy the 36A string current and 150% DC ratio matter\u003c\/h2\u003e\u003cp\u003eA 36A maximum string input current suits current high-output bifacial modules, which often produce string currents above 20A in real conditions. The 150% DC overloading allowance means a larger PV array can be connected against the inverter's AC rating, improving how much of the inverter's capacity gets used across the day.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLarge commercial and industrial rooftop solar systems\u003c\/li\u003e\n\u003cli\u003eGround-mounted solar farms and utility-scale arrays\u003c\/li\u003e\n\u003cli\u003eInstallations using high-output bifacial modules\u003c\/li\u003e\n\u003cli\u003eSites with grid reactive power compensation requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation notes\u003c\/h2\u003e\u003cp\u003eGrid connection at this power level needs G99 compliance and a formal DNO application in the UK. Installation should be carried out by a qualified electrical engineer with commercial solar experience, with string design, array layout and protection coordination finalised before commissioning.\u003c\/p\u003e","brand":"Solis","offers":[{"title":"Default Title","offer_id":52060759621920,"sku":"003073","price":3622.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/8148\/1504\/files\/ledandsolar-003073-1.webp?v=1785504452"}],"url":"https:\/\/www.ledandsolar.co.uk\/collections\/three-phase-solar-inverters.oembed","provider":"LED \u0026 Solar","version":"1.0","type":"link"}