{"product_id":"solaredge-20000w-three-phase-inverter-m4-basic-no-display-setapp-commercial-three-phase-solar-inverter-uk","title":"SolarEdge 20000W Three Phase Inverter M4 Basic No Display | SetApp Commercial Three-Phase Solar Inverter UK","description":"\u003cdiv style=\"font-size:16px;max-width:900px;margin:0 auto;font-family:Arial,Helvetica,sans-serif;color:#222;line-height:1.6;\"\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSolarEdge 20,000W Three-Phase Inverter M4 Basic\u003c\/strong\u003e (MPN \u003cstrong\u003eSE20K-RW00IBNM4\u003c\/strong\u003e) is a commercial-grade, \u003cstrong\u003eSetApp-only string inverter\u003c\/strong\u003e designed for \u003cstrong\u003ethree-phase grid-connected solar PV systems\u003c\/strong\u003e from small commercial rooftops through to educational, municipal, agri-PV, and carport installations. Rated at \u003cstrong\u003e20 kW AC output\u003c\/strong\u003e with a \u003cstrong\u003e30 kW maximum DC input\u003c\/strong\u003e, it uses the same \u003cstrong\u003efixed-voltage DC bus architecture\u003c\/strong\u003e as the full SolarEdge commercial inverter range (SE12.5K–SE33.3K), delivering \u003cstrong\u003eup to 97.7% peak efficiency\u003c\/strong\u003e. There is \u003cstrong\u003eno physical display\u003c\/strong\u003e – all commissioning, diagnostics, and configuration are carried out via the \u003cstrong\u003eSolarEdge SetApp\u003c\/strong\u003e smartphone application over the inverter’s own Wi-Fi access point. This is a \u003cstrong\u003eBasic variant\u003c\/strong\u003e: it has \u003cstrong\u003eno built-in MPPT trackers\u003c\/strong\u003e and \u003cstrong\u003emust be used with SolarEdge Power Optimisers\u003c\/strong\u003e. Integrated \u003cstrong\u003eType 2 DC surge protection\u003c\/strong\u003e and \u003cstrong\u003earc fault detection\u003c\/strong\u003e are included as standard, and the inverter is \u003cstrong\u003eG99-certified\u003c\/strong\u003e for UK grid connection.\u003c\/p\u003e\n\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;margin:24px 0;\"\u003e\n  \u003cdiv style=\"flex:1;min-width:140px;background:#008377CF;color:#fff;padding:16px;border-radius:8px;text-align:center;\"\u003e\n    \u003cdiv style=\"font-size:24px;font-weight:bold;\"\u003e20 kW\u003c\/div\u003e\n    \u003cdiv style=\"font-size:13px;\"\u003eRated AC Output\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex:1;min-width:140px;background:#008377CF;color:#fff;padding:16px;border-radius:8px;text-align:center;\"\u003e\n    \u003cdiv style=\"font-size:24px;font-weight:bold;\"\u003e30 kW\u003c\/div\u003e\n    \u003cdiv style=\"font-size:13px;\"\u003eMax DC Input\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex:1;min-width:140px;background:#008377CF;color:#fff;padding:16px;border-radius:8px;text-align:center;\"\u003e\n    \u003cdiv style=\"font-size:24px;font-weight:bold;\"\u003e97.7%\u003c\/div\u003e\n    \u003cdiv style=\"font-size:13px;\"\u003ePeak Efficiency\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex:1;min-width:140px;background:#008377CF;color:#fff;padding:16px;border-radius:8px;text-align:center;\"\u003e\n    \u003cdiv style=\"font-size:24px;font-weight:bold;\"\u003eIP65\u003c\/div\u003e\n    \u003cdiv style=\"font-size:13px;\"\u003eIndoor \u0026amp; Outdoor\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex:1;min-width:140px;background:#008377CF;color:#fff;padding:16px;border-radius:8px;text-align:center;\"\u003e\n    \u003cdiv style=\"font-size:24px;font-weight:bold;\"\u003e32 kg\u003c\/div\u003e\n    \u003cdiv style=\"font-size:13px;\"\u003eWeight\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border-left:5px solid #c0392b;background:#fdecea;padding:14px 18px;margin:20px 0;border-radius:6px;\"\u003e\n  \u003cstrong style=\"color:#c0392b;\"\u003e🔴 Commercial installation \u0026amp; G99 grid-connection requirements\u003c\/strong\u003e\n  \u003cp style=\"margin:8px 0 0;\"\u003eAt 20 kW AC, this inverter \u003cstrong\u003erequires a G99 application to and approval from the DNO before it may be energised\u003c\/strong\u003e – this is not a simple G98 notification. Installation must be carried out by a \u003cstrong\u003equalified electrical engineer competent in commercial PV\u003c\/strong\u003e. The firmware must be \u003cstrong\u003eupdated during commissioning via SetApp\u003c\/strong\u003e; SolarEdge requires this explicitly in the installation documentation. The inverter is G99-certified (cert U23-0680, issued by Bureau Veritas under ER G99\/1-9:2022) but the DNO pre-approval process must be completed first. Plan DNO application timescales into your project programme.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border-left:5px solid #c0392b;background:#fdecea;padding:14px 18px;margin:20px 0;border-radius:6px;\"\u003e\n  \u003cstrong style=\"color:#c0392b;\"\u003e🔴 No display – SetApp is mandatory for all configuration\u003c\/strong\u003e\n  \u003cp style=\"margin:8px 0 0;\"\u003eThis is a \u003cstrong\u003eBasic “no display” variant\u003c\/strong\u003e. There is \u003cstrong\u003eno LCD, LED status display, or keypad\u003c\/strong\u003e on the unit. \u003cstrong\u003eAll commissioning, firmware updates, fault codes, and configuration changes\u003c\/strong\u003e must be performed using the \u003cstrong\u003eSolarEdge SetApp mobile application\u003c\/strong\u003e. Installers must have a compatible smartphone and the SetApp installed before attending site. Post-installation monitoring is via the SolarEdge monitoring platform accessed through Ethernet or optional Wi-Fi.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border-left:5px solid #e67e22;background:#fef5ea;padding:14px 18px;margin:20px 0;border-radius:6px;\"\u003e\n  \u003cstrong style=\"color:#e67e22;\"\u003e🟠 Power Optimisers are mandatory – not optional\u003c\/strong\u003e\n  \u003cp style=\"margin:8px 0 0;\"\u003eThe M4 Basic has \u003cstrong\u003eno built-in MPPT trackers\u003c\/strong\u003e. Solar panels \u003cstrong\u003ecannot be connected directly\u003c\/strong\u003e to this inverter – it will not function without a full SolarEdge Power Optimiser array providing conditioned, fixed-voltage DC. Design the system with appropriate SolarEdge optimisers on every panel. Confirm string design within SolarEdge’s published design guidelines for the SE20K before submitting a G99 application.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border-left:5px solid #008377;background:#e6f4f3;padding:14px 18px;margin:20px 0;border-radius:6px;\"\u003e\n  \u003cstrong style=\"color:#005c54;\"\u003e💚 150% DC oversizing for maximum commercial yield\u003c\/strong\u003e\n  \u003cp style=\"margin:8px 0 0;\"\u003eThe SE20K-RW00IBNM4 supports a \u003cstrong\u003emaximum DC input of 30 kW against a 20 kW AC output\u003c\/strong\u003e – a \u003cstrong\u003e150% DC-to-AC ratio\u003c\/strong\u003e. Oversizing the array relative to inverter AC capacity is standard commercial PV practice in the UK, capturing more energy during low-irradiance morning and evening periods when the inverter would otherwise be running well below rated output. SolarEdge’s fixed-voltage architecture handles array clipping gracefully without the thermal stress that affects conventional string inverters under the same conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"border-bottom:2px solid #008377CF;padding-bottom:6px;color:#005c54;margin-top:32px;\"\u003eKey Features\u003c\/h3\u003e\n\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:16px;margin:16px 0;\"\u003e\n\n  \u003cdiv style=\"flex:1;min-width:260px;border:1px solid #ddd;border-radius:8px;padding:16px;\"\u003e\n    \u003ch4 style=\"border-bottom:2px solid #008377CF;padding-bottom:5px;color:#005c54;margin-top:0;\"\u003eFixed-Voltage Architecture for Longer Strings\u003c\/h4\u003e\n    \u003cp style=\"margin:8px 0 0;\"\u003eThe DC bus runs at a \u003cstrong\u003efixed, stable voltage\u003c\/strong\u003e supplied by the Power Optimiser array rather than tracking the native panel voltage. This means the inverter always operates at its optimal design point, enabling \u003cstrong\u003esignificantly longer strings\u003c\/strong\u003e than a conventional MPPT inverter of the same rating and delivering consistently high efficiency across a full commercial array.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"flex:1;min-width:260px;border:1px solid #ddd;border-radius:8px;padding:16px;\"\u003e\n    \u003ch4 style=\"border-bottom:2px solid #008377CF;padding-bottom:5px;color:#005c54;margin-top:0;\"\u003eIntegrated Type 2 DC Surge Protection\u003c\/h4\u003e\n    \u003cp style=\"margin:8px 0 0;\"\u003eBuilt-in \u003cstrong\u003eType 2 DC SPD\u003c\/strong\u003e protects the DC wiring and inverter electronics from voltage surges caused by lightning strikes or switching events on or near the site. This eliminates the need for a separate external DC surge protection device in the design, reducing BOM cost and simplifying the combiner arrangement on larger commercial rooftops.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"flex:1;min-width:260px;border:1px solid #ddd;border-radius:8px;padding:16px;\"\u003e\n    \u003ch4 style=\"border-bottom:2px solid #008377CF;padding-bottom:5px;color:#005c54;margin-top:0;\"\u003eArc Fault Protection\u003c\/h4\u003e\n    \u003cp style=\"margin:8px 0 0;\"\u003e\u003cstrong\u003eIntegrated arc fault circuit detection\u003c\/strong\u003e monitors the DC side continuously for the electrical signature of a developing arc fault – one of the leading causes of PV-related fires in commercial installations. Detecting an arc before it escalates means the inverter can trip safely and alert the monitoring platform, rather than allowing a potential ignition source to persist undetected.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"flex:1;min-width:260px;border:1px solid #ddd;border-radius:8px;padding:16px;\"\u003e\n    \u003ch4 style=\"border-bottom:2px solid #008377CF;padding-bottom:5px;color:#005c54;margin-top:0;\"\u003eModule-Level Monitoring at Scale\u003c\/h4\u003e\n    \u003cp style=\"margin:8px 0 0;\"\u003eWhen paired with SolarEdge optimisers, the SE20K provides \u003cstrong\u003ereal-time, per-panel performance data\u003c\/strong\u003e for every module in the array via the SolarEdge monitoring platform. On a 60–100 panel commercial system, this transforms fault-finding from a half-day site visit into a remote diagnostic review, allowing underperforming strings or panels to be identified and prioritised before they materially impact yield.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"flex:1;min-width:260px;border:1px solid #ddd;border-radius:8px;padding:16px;\"\u003e\n    \u003ch4 style=\"border-bottom:2px solid #008377CF;padding-bottom:5px;color:#005c54;margin-top:0;\"\u003eSmart Energy Management \u0026amp; Export Limiting\u003c\/h4\u003e\n    \u003cp style=\"margin:8px 0 0;\"\u003eSupports \u003cstrong\u003eexport limitation\u003c\/strong\u003e and \u003cstrong\u003esmart energy management\u003c\/strong\u003e natively, working with a SolarEdge Meter to cap export to whatever the DNO has specified in the G99 approval. This is particularly important for commercial sites where the consented export level may be less than the inverter’s rated output.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"flex:1;min-width:260px;border:1px solid #ddd;border-radius:8px;padding:16px;\"\u003e\n    \u003ch4 style=\"border-bottom:2px solid #008377CF;padding-bottom:5px;color:#005c54;margin-top:0;\"\u003eCompact \u0026amp; Lightest in Class\u003c\/h4\u003e\n    \u003cp style=\"margin:8px 0 0;\"\u003eAt \u003cstrong\u003e32 kg\u003c\/strong\u003e, the SE20K is described by SolarEdge as \u003cstrong\u003eamong the lightest in its power class\u003c\/strong\u003e, reducing the structural demand on the mounting surface and making single-person handling more practical during installation. Despite the compact enclosure, it is \u003cstrong\u003eIP65-rated\u003c\/strong\u003e for outdoor mounting on a plant room wall, in a weatherproof enclosure, or beneath a canopy.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003ch3 style=\"border-bottom:2px solid #008377CF;padding-bottom:6px;color:#005c54;margin-top:32px;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp style=\"font-size:14px;color:#555;\"\u003eSpecifications compiled from SolarEdge authorised distributor datasheets and the G99 compliance certificate (ref. U23-0680). For the full SolarEdge commercial three-phase inverter datasheet, refer to the SolarEdge Knowledge Center.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:16px 0;font-size:15px;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF;color:#fff;padding:10px;font-weight:bold;border:1px solid #ccc;\"\u003eAC Output\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr style=\"background:#e6f4f3;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;width:55%;\"\u003eRated AC Power Output\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003e20,000 W (20 kW)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eAC Output Voltage (L-L \/ L-N nominal)\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003e380\/220 V – 400\/230 V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#e6f4f3;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eAC Frequency\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003e50 Hz (60 Hz configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eGrid Type\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eThree-Phase 3\/N\/PE (WYE with neutral)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF;color:#fff;padding:10px;font-weight:bold;border:1px solid #ccc;\"\u003eDC Input\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr style=\"background:#e6f4f3;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eMaximum DC Input Power\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003e30,000 W (150% DC oversizing)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eMPP DC Voltage Range\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003e680 – 1000 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#e6f4f3;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eMaximum Input Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003e1000 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eDC Inputs\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003e4 (MC4 connectors)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#e6f4f3;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eMPPT Trackers\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003e\u003cstrong\u003eNone – Power Optimisers required\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF;color:#fff;padding:10px;font-weight:bold;border:1px solid #ccc;\"\u003eEfficiency\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr style=\"background:#e6f4f3;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eMaximum Efficiency\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003e97.7%\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF;color:#fff;padding:10px;font-weight:bold;border:1px solid #ccc;\"\u003eInstallation \u0026amp; Mechanical\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr style=\"background:#e6f4f3;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003e32 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eProtection Rating\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eIP65 (outdoor and indoor)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#e6f4f3;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eSurge Protection\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eIntegrated Type 2 DC SPD\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eArc Fault Protection\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF;color:#fff;padding:10px;font-weight:bold;border:1px solid #ccc;\"\u003eCommunication \u0026amp; Commissioning\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr style=\"background:#e6f4f3;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003eNone\u003c\/strong\u003e – SetApp only\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eCommissioning Method\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eSolarEdge SetApp via built-in Wi-Fi AP\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#e6f4f3;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eCommunication\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eEthernet, RS485; Wi-Fi \/ Cellular optional\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eSmart Energy Management\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eExport limiting, device control\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF;color:#fff;padding:10px;font-weight:bold;border:1px solid #ccc;\"\u003eCompliance \u0026amp; Certification\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr style=\"background:#e6f4f3;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eUK Grid Standard\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eG99 certified (cert. U23-0680, ER G99\/1-9:2022)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eSafety\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eIEC 62109-1\/2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#e6f4f3;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eRoHS\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eCompliant\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e0e0e0;\"\u003eSE20K-RW00IBNM4\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#777;\"\u003eMechanical dimensions for the SE20K-RW00IBNM4 could not be confirmed from matching primary sources. Refer to the SolarEdge Commercial Three-Phase Inverter datasheet (available in the SolarEdge Knowledge Center) for the authoritative installation dimensions before wall bracket placement. Efficiency figure of 97.7% from SolarTraders product listing; rounded to 98% in some SolarEdge marketing materials.\u003c\/p\u003e\n\n\u003ch3 style=\"border-bottom:2px solid #008377CF;padding-bottom:6px;color:#005c54;margin-top:32px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cdetails style=\"margin:10px 0;border:1px solid #ddd;border-radius:6px;\"\u003e\n  \u003csummary style=\"background:#008377CF;color:#fff;padding:12px;cursor:pointer;font-weight:bold;\"\u003eWhy does this inverter have “Basic” and “No Display” in the name?\u003c\/summary\u003e\n  \u003cdiv style=\"padding:14px;\"\u003e“Basic” indicates this is the \u003cstrong\u003estandard commercial-grade variant without an integrated display screen or connectivity accessories\u003c\/strong\u003e – as opposed to premium variants that may include a built-in display, additional communication modules, or battery-ready functionality. \u003cstrong\u003e“No Display”\u003c\/strong\u003e reinforces that there is no physical LCD or LED readout: all configuration and diagnostics are done entirely through the \u003cstrong\u003eSolarEdge SetApp\u003c\/strong\u003e smartphone application via the inverter’s built-in Wi-Fi access point.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin:10px 0;border:1px solid #ddd;border-radius:6px;\"\u003e\n  \u003csummary style=\"background:#008377CF;color:#fff;padding:12px;cursor:pointer;font-weight:bold;\"\u003eDo I need a SolarEdge Meter with this inverter?\u003c\/summary\u003e\n  \u003cdiv style=\"padding:14px;\"\u003eYes, in most commercial UK G99 scenarios. The DNO’s G99 approval will typically specify an \u003cstrong\u003eexport cap\u003c\/strong\u003e, which requires a \u003cstrong\u003erevenue-grade SolarEdge Meter\u003c\/strong\u003e connected via RS485 to enable the inverter’s export-limitation function. Without a meter, the inverter cannot enforce an export limit. In some arrangements a site meter is acceptable – confirm with your DNO and SolarEdge design tools before finalising the BOM.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin:10px 0;border:1px solid #ddd;border-radius:6px;\"\u003e\n  \u003csummary style=\"background:#008377CF;color:#fff;padding:12px;cursor:pointer;font-weight:bold;\"\u003eWhat DC input voltage range does it support?\u003c\/summary\u003e\n  \u003cdiv style=\"padding:14px;\"\u003eThe MPP DC voltage range is \u003cstrong\u003e680–1000 Vdc\u003c\/strong\u003e (from the G99 compliance certificate). The maximum allowable DC input voltage is \u003cstrong\u003e1000 Vdc\u003c\/strong\u003e. String design must be validated so that worst-case open-circuit voltage (at minimum expected temperature) does not exceed 1000 Vdc. Use the SolarEdge Designer or a string sizing tool with site-specific temperature data to verify.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin:10px 0;border:1px solid #ddd;border-radius:6px;\"\u003e\n  \u003csummary style=\"background:#008377CF;color:#fff;padding:12px;cursor:pointer;font-weight:bold;\"\u003eIs the Type 2 DC surge protection built in, or does it need to be added separately?\u003c\/summary\u003e\n  \u003cdiv style=\"padding:14px;\"\u003e\n\u003cstrong\u003eBuilt in as standard\u003c\/strong\u003e on the SE20K-RW00IBNM4. The “DC SPD” in the distributor name confirms this. \u003cstrong\u003eType 2 DC surge protection\u003c\/strong\u003e is included within the inverter enclosure, providing protection against indirect lightning surges on the DC string cabling without needing a separate external SPD device in the DC combiner or string box.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin:10px 0;border:1px solid #ddd;border-radius:6px;\"\u003e\n  \u003csummary style=\"background:#008377CF;color:#fff;padding:12px;cursor:pointer;font-weight:bold;\"\u003eHow does it handle shading on a large commercial array?\u003c\/summary\u003e\n  \u003cdiv style=\"padding:14px;\"\u003eBecause each panel in the array has its own \u003cstrong\u003eSolarEdge Power Optimiser\u003c\/strong\u003e performing \u003cstrong\u003emodule-level MPPT\u003c\/strong\u003e, shading, soiling, or mismatch on any individual panel affects \u003cstrong\u003eonly that panel’s output\u003c\/strong\u003e, not the rest of the string. The fixed-voltage DC bus means the inverter continues to operate at its design efficiency regardless. On a commercial installation with regular shadow from roof plant, parapets, or neighbouring buildings, this can meaningfully increase annual yield compared with a conventional string inverter without optimisers.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin:10px 0;border:1px solid #ddd;border-radius:6px;\"\u003e\n  \u003csummary style=\"background:#008377CF;color:#fff;padding:12px;cursor:pointer;font-weight:bold;\"\u003eWhat is the warranty on the SE20K-RW00IBNM4?\u003c\/summary\u003e\n  \u003cdiv style=\"padding:14px;\"\u003eSolarEdge commercial inverters carry a \u003cstrong\u003e12-year standard warranty\u003c\/strong\u003e from date of installation, with \u003cstrong\u003eextended warranty options\u003c\/strong\u003e available (typically up to 20 or 25 years) purchasable at the time of installation. Warranty terms require the unit to be registered with SolarEdge and installed in accordance with the official installation guide. Refer to the SolarEdge warranty document for full terms, exclusions, and regional conditions.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"SolarEdge","offers":[{"title":"Default Title","offer_id":64876412174685,"sku":"SE20K-RW00IBNM4","price":1595.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/SolarEdgeThreePhaseInverterNoDisplayThree-PhaseSolarInverterUK.webp?v=1780473213","url":"https:\/\/qualityheating.co.uk\/products\/solaredge-20000w-three-phase-inverter-m4-basic-no-display-setapp-commercial-three-phase-solar-inverter-uk","provider":"AIZO Quality Heating","version":"1.0","type":"link"}