--- title: "Huawei SUN2000-100KTL-M1 (@400 V) Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Huawei SUN2000-100KTL-M1 (@400 V) 100 kW grid-tie inverter. Specs: 98.4% European efficiency, 10 MPPT, 1100 V max DC input, 90.0 kg." source: "https://comparepv.com/inverter/huawei-sun2000-100ktl-m1-400-v" updated: 2026-01-16 --- # Huawei SUN2000-100KTL-M1 (@400 V) ## Identity - **Manufacturer:** Huawei - **Model:** SUN2000-100KTL-M1 (@400 V) - **Series:** SUN2000-KTL-M1 - **Rated AC power:** 100 kW - **Type:** Grid-tie - **Phases:** Three-phase ## How it compares Compared against 243 inverters from 30 to 100 kW. Ranks are within that class. | Measure | This inverter | Class median | Standing | Rank in class | | --- | --- | --- | --- | --- | | European efficiency | 98.4% | 98.2% | Strong - top 18% | 22 | | MPPT trackers | 10 | 4 | Strong - top 7% | 1 | | Max DC input voltage | 1100 V | 1100 V | Typical | 3 | | Weight per kW | 0.9 | 1.1 | Typical | 68 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 100 kW - **Max AC power:** 110.00 kW - **Max apparent power:** 110.00 kVA - **Phases:** Three-phase - **Max AC current:** 160.4 A - **Power factor:** 0.8 leading...0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC voltage:** 1100 V - **MPPT voltage range:** 200 to 1000 V - **Start-up voltage:** 200 V - **MPPT trackers:** 10 - **Max input current per MPPT:** 26.0 A - **Max short-circuit current per MPPT:** 40.0 A ### Efficiency - **European efficiency:** 98.4 % - **Max efficiency:** 98.6 % ### Physical - **Dimensions:** 700 × 1035 × 365 mm - **Weight:** 90.0 kg - **Enclosure:** IP66 - **Cooling:** forced-air - **Operating temperature:** -25 to 60 °C - **Max humidity:** 100 % - **Max altitude:** 4000 m ### Connectivity and protection - **Interfaces:** Wi-Fi, Display - **Protocols:** RS485, USB, MBUS, WLAN (via adaptor), Cellular (2G/3G/4G via Smart Dongle-4G optional) - **Protection:** DC switch, Surge protection ### Warranty and certificates - **Certifications:** EN 62109-1/-2, IEC 62109-1/-2, EN 50530, IEC 62116, IEC 61727, IEC 60068, IEC 61683, VDE-AR-N4105, EN 50549-1, EN 50549-2, RD 661, RD 1699, C10/11 ### Pros - **98.4% European Efficiency - Segment Leader** - The M1 series achieves a European efficiency of 98.4% (10KTL model), while the comparable Fronius Symo 10.0-3-M reaches 97.6% according to independent measurements by SolarLab and Instyle Solar. The 0.8 percentage point difference translates into a measurably higher annual energy yield under the variable irradiance conditions typical of Poland. - **2 Independent MPPTs + Built-In PID Recovery** - Two independent MPPT trackers (input range 140-980 V DC, max. 1100 V) allow two module strings with different orientations or shading profiles to operate without cross-string losses. The built-in PID recovery function actively reverses module degradation caused by the potential-induced degradation (PID) effect - no additional device required. - **Battery Ready with No Retrofit Costs** - The inverter supports the Huawei LUNA2000 battery in plug-and-play mode - no inverter replacement or additional integration costs required. Huawei states that the system can be expanded at any stage of its operational life, reducing the total cost of transitioning to self-consumption. - **AFCI + Passive Cooling, IP65** - The integrated arc-fault circuit interrupter (AFCI) trips the circuit in under 0.5 s - a requirement increasingly enforced by insurers and fire authorities. The fanless design eliminates moving parts subject to wear, and the IP65 rating permits outdoor installation without additional enclosure. - **10-Year Warranty with Extension to 20 Years** - The standard manufacturer's warranty covers 10 years (parts, logistics, and labor), with an option to extend to 20 years under the Huawei Care program - matching the longest offerings in the segment (SMA Sunny Boy: 10 years + a 25-year option available only in select markets). Huawei is classified as Tier-1 Bankable by BNEF. ### Cons - **Regulatory Risk Under Poland's Cybersecurity Act (KSC)** - The amendment to Poland's National Cybersecurity System Act (KSC) provides for the possible classification of Huawei as a high-risk vendor - Huawei has filed an arbitration claim against Poland worth billions of złoty. While this does not directly affect residential prosumer installations, the risk of distribution restrictions or impaired service support over a 10-15-year operational horizon is real and distinguishes this brand from European manufacturers such as SMA and Fronius. - **Storage Ecosystem Locked to LUNA2000** - Native battery-ready integration is exclusive to the Huawei LUNA2000. Connecting third-party batteries (BYD HVS, Pylontech, Solax) requires Modbus protocol configuration and additional setup, and certain functions - such as power management in backup mode - are not fully available outside Huawei's own ecosystem, limiting freedom of choice when expanding storage capacity. ## About this series The Huawei SUN2000-KTL-M1 series are three-phase grid-tie inverters designed for home and small commercial installations, where stable operation, high energy yield, and easy expandability with battery storage are crucial. The standout feature is its **two independent MPPTs**, enabling efficient management of two strings of modules with different orientations or tilts - while also minimizing losses when part of the roof is intermittently shaded. Real energy gain is achieved through **high European efficiency** - meaning superior performance in typical operating conditions in Poland, not just in ideal laboratory settings. From the perspective of service and user convenience, **passive cooling without a fan** and a sealed housing for outdoor use are key. Monitoring is handled by **FusionSolar** with convenient viewing in the app and flexible communication (including WiFi and wired options, depending on configuration). The M1 version is **battery-ready** - ready for use with Huawei LUNA2000 battery storage systems, and the entire system is supported by standard market certifications and a typical, long-term manufacturer’s warranty. ## Questions ### What warranty does the manufacturer provide on Huawei SUN2000-KTL-M1 inverters? The standard factory warranty for the SUN2000-KTL-M1 series is 10 years. Huawei offers the option to extend it to 20 or even 25 years by purchasing an extended service package. The fanless design and passive cooling genuinely reduce the risk of mechanical failure, making this warranty a credible commitment rather than a mere marketing promise. ### Is the SUN2000-KTL-M1 inverter suitable for installations where some panels are shaded or oriented in different directions? Yes, the SUN2000-KTL-M1 series is ideally suited for exactly these scenarios. Two independent MPPT inputs allow separate strings of panels - for example, those facing south and west, or located on different roof planes - to be connected independently. Each string then operates at its own maximum power point, so shading on one string does not reduce the output of the other. ### What is the efficiency of the SUN2000-KTL-M1 inverters, and does it matter in the Polish climate? Models in this series achieve a European efficiency of 97-98.1% (for example, the 10 kW HC variant reaches 98.1%), which is significant under Polish conditions where the system operates at moderate irradiance levels for the majority of the year. European efficiency is more meaningful than peak efficiency measured under ideal laboratory conditions, as it more accurately reflects real-world energy yield over the course of a full year. ### Can I expand an installation with a SUN2000-KTL-M1 inverter to include energy storage without replacing the inverter? Yes, the M1 series is designated as battery ready and is directly compatible with Huawei LUNA2000 batteries. The storage system connects to a dedicated port on the inverter without the need to purchase a separate hybrid inverter. The expansion can be planned at any stage of the installation's lifetime, providing flexibility and protecting the investment for the future. ### Can the SUN2000-KTL-M1 inverter be installed outdoors? Yes, the enclosure meets IP65 ingress protection, meaning it is fully protected against dust and water jets from any direction. Passive cooling eliminates fans, which are a common weak point in installations exposed to humid or dusty environments. The inverter can be mounted on an exterior wall, in a garage, or in a utility cabinet without additional protective enclosures. ### How does monitoring work with the Huawei SUN2000-KTL-M1 inverter, and do I need a separate device? Monitoring is handled by the FusionSolar platform, available as a mobile app and a web dashboard. The inverter includes a built-in communication module with both Wi-Fi and RS485, so in a typical residential configuration no separate data logger is required. The app displays real-time generation data, historical yield records, and service alerts. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/992135134635233f76c2f3-e16b78fea28b.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Huawei SUN2000-100KTL-M2](https://comparepv.com/inverter/huawei-sun2000-100ktl-m2) | 100 kW | 98.6% | 10 | 93.0 kg | 3.0 kg heavier | | [Huawei SUN2000-100KTL-M1 (@480 V)](https://comparepv.com/inverter/huawei-sun2000-100ktl-m1-480-v) | 100 kW | 98.6% | 10 | 90.0 kg | Similar on paper | | [Sungrow SG110CX](https://comparepv.com/inverter/sungrow-sg110cx) | 100 kW | 98.5% | 9 | 89.0 kg | -1 MPPT, 1.0 kg lighter | | [SMA Solar Sunny Highpower PEAK3 SHP 100-21](https://comparepv.com/inverter/sma-solar-sunny-highpower-peak3-shp-100-21) | 100 kW | 98.5% | 1 | 99.0 kg | -9 MPPT, 9.0 kg heavier | | [SMA Solar Sunny Highpower Storage SHPS 100-21](https://comparepv.com/inverter/sma-solar-sunny-highpower-storage-shps-100-21) | 100 kW | 98.5% | | 99.0 kg | 9.0 kg heavier | | [Solis-100K-5G](https://comparepv.com/inverter/ginlong-solis-solis-100k-5g) | 100 kW | 98.5% | 9 | 82.0 kg | -1 MPPT, 8.0 kg lighter | | [Solis-100K-HV-5G](https://comparepv.com/inverter/ginlong-solis-solis-100k-hv-5g) | 100 kW | 98.5% | 9 | 82.0 kg | -1 MPPT, 8.0 kg lighter | | [Growatt MAX 100KTL3-X LV](https://comparepv.com/inverter/growatt-max-100ktl3-x-lv) | 100 kW | 98.4% | 10 | 84.0 kg | 6.0 kg lighter | --- Source: https://comparepv.com/inverter/huawei-sun2000-100ktl-m1-400-v