--- title: "Huawei SUN2000-50KTL-M0 Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Huawei SUN2000-50KTL-M0 50 kW grid-tie inverter. Specs: 98.5% European efficiency, 6 MPPT, 1100 V max DC input, 74.0 kg." source: "https://comparepv.com/inverter/huawei-sun2000-50ktl-m0" updated: 2026-01-16 --- # Huawei SUN2000-50KTL-M0 ## Identity - **Manufacturer:** Huawei - **Model:** SUN2000-50KTL-M0 - **Series:** SUN2000-50KTL-M0 - **Rated AC power:** 50 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 | 98.5% | 98.2% | Strong - top 8% | 7 | | MPPT trackers | 6 | 4 | Typical | 24 | | Max DC input voltage | 1100 V | 1100 V | Typical | 3 | | Weight per kW | 1.5 | 1.1 | Weak - bottom 25% | 169 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 50 kW - **Max AC power:** 55.00 kW - **Max apparent power:** 55.00 kVA - **Phases:** Three-phase - **Nominal AC voltage:** 400 V - **Max AC current:** 79.4 A - **Grid frequency:** 50 Hz - **Power factor:** 0.8 LG ... 0.8 LD - **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:** 6 - **Max input current per MPPT:** 22.0 A - **Max short-circuit current per MPPT:** 30.0 A ### Efficiency - **European efficiency:** 98.5 % - **Max efficiency:** 98.7 % ### Physical - **Dimensions:** 555 × 1075 × 300 mm - **Weight:** 74.0 kg - **Enclosure:** IP65 - **Cooling:** natural - **Operating temperature:** -25 to 60 °C - **Max humidity:** 100 % - **Max altitude:** 4000 m ### Connectivity and protection - **Interfaces:** Bluetooth - **Protocols:** Bluetooth, RS485, USB, MBUS - **Protection:** DC switch, Surge protection ### Warranty and certificates - **Certifications:** IEC 62109-1, IEC 62109-2, IEC 62116, AS/NZS 4777.2:2020 ### Pros - **98.5% European Efficiency** - According to Huawei's official datasheet, the inverter achieves a peak efficiency of 98.7% and a European efficiency (weighted to the EU irradiance profile) of 98.5%. This places it at the top of the 50 kW segment, ahead of typical competitor figures (SMA Sunny Tripower: ~98.4%, Fronius Symo Advanced: ~98.2%), translating into measurably higher annual energy yield under Polish irradiance conditions. - **6 MPPT × 2 Strings - Design Flexibility** - Six independent MPPT channels with 12 string inputs in total (DC voltage range 600-1100 V) support installations with complex roof geometries or mixed orientations without module-level optimizers. This configuration significantly reduces mismatch losses in commercial and multi-roof installations. - **Natural Convection Cooling - No Fan** - The inverter operates on a natural convection cooling system, eliminating moving mechanical parts-the primary source of failures and service costs in fan-cooled units. Industrial fan MTBF is typically 50,000-70,000 hours, compared to the inverter's declared service life of >20 years. - **Smart I-V Curve Diagnosis + FusionSolar** - The built-in I-V curve diagnostic enables remote detection of module degradation, shading, and faults without a site visit. Integration with the FusionSolar platform (WLAN/Fast Ethernet via Smart Dongle) provides production monitoring, alerting, and remote parameterization-a significant operational advantage for commercial installations with SLA requirements. - **IP65 + Type II Surge Protection** - IP65 ingress protection ensures resistance to rain and dust, allowing outdoor installation without an additional enclosure. Type II surge protection devices on both the DC and AC sides are factory-integrated, eliminating the need for separate components in the switchgear and reducing overall BoS costs. ### Cons - **74 kg Weight - Installation Requirements** - The unit's dimensions of 1075 × 555 × 300 mm and weight of 74 kg require at least two installers or lifting equipment during installation. For reference, the newer SUN2000-50KTL-M3 has a comparable weight, while competitors such as the SMA STP 50-40 weigh approximately 61 kg. In rooftop installations with restricted access, this can generate additional labor costs. - **Previous-Generation Platform vs. Active M3** - The M0 is the preceding generation of the series-Huawei is actively developing and documenting the M3 line (user manual v17 dated 2025-07-15 is officially available). For new projects with a long operational horizon (20+ years), selecting the M3 provides greater confidence in extended firmware support and parts availability, both of which may become limited for the M0 over time. ## About this series The Huawei SUN2000-50KTL-M0 is a three-phase grid-tie inverter designed for commercial and industrial installations, where PV string flexibility and stable operation across varied rooftop or ground-mounted conditions are essential. Its key advantage is the **6 independent MPPTs**, facilitating optimization of energy yields with modules of different orientations, uneven soiling, or partial shading-without requiring excessive compromises in the design. High **European efficiency** ensures better real-world results under typical operating conditions in Poland, not just in the lab, translating to more predictable energy production over the year. The inverter supports **intelligent monitoring** via the FusionSolar platform and communication through WLAN and Fast Ethernet solutions (depending on configuration, e.g., via Smart Dongle), making remote supervision and maintenance easier. This makes it an excellent choice for companies, PV farms, and multi-string sites where control, diagnostics, and operational safety are crucial, backed by the required certifications for grid-connected operation. ## Questions ### What is the warranty period for the Huawei SUN2000-50KTL-M0 inverter? The standard manufacturer's warranty for the Huawei SUN2000-50KTL-M0 inverter is 10 years. Huawei offers the option to extend the warranty to 15 or 20 years through additional service packages. To maintain warranty validity, the unit must be installed in accordance with the manufacturer's instructions and commissioned by a certified installer. ### Is the SUN2000-50KTL-M0 series still available for purchase? The SUN2000-50KTL-M0 series has been discontinued by Huawei. Its direct successor is the SUN2000-50KTL-M3, which offers enhanced safety features including certified arc-fault protection and PID recovery functionality. If you are planning a new installation, the M3 generation is the recommended choice. ### What types of installations is the Huawei SUN2000-50KTL-M0 inverter suited for? The SUN2000-50KTL-M0, rated at 50 kW (up to 55 kW AC output), is designed for commercial and industrial applications: utility-scale PV plants, warehouses, manufacturing facilities, and buildings with multiple roof sections. Its three-phase operation and 6 independent MPPT inputs enable flexible array configurations, minimizing losses caused by varying orientations or partial shading. ### What efficiency does the Huawei SUN2000-50KTL-M0 inverter achieve under real-world conditions? The inverter achieves a maximum efficiency of 98.7%, while the European efficiency (a weighted metric reflecting real operating conditions in temperate climates) reaches 98.5%. This is among the highest figures in its power class, resulting in lower conversion losses and more predictable annual energy yield under Polish irradiance conditions. ### How does system monitoring work with the SUN2000-50KTL-M0 inverter, and can it be managed remotely? The inverter communicates via RS485, USB, and optionally via WLAN or Fast Ethernet through a Smart Dongle. Operational data is transmitted to the FusionSolar platform, accessible through both a web browser and a mobile app. This enables remote monitoring of energy production, diagnostics of individual PV strings, and rapid service response without requiring an on-site visit. ### Is the SUN2000-50KTL-M0 inverter compatible with Huawei LUNA2000 energy storage systems? Yes, the SUN2000-50KTL-M0 inverter is compatible with Huawei LUNA2000 battery energy storage systems. This allows the installation to be expanded with an energy buffer for improved self-consumption management. However, since the M0 series has been discontinued, new hybrid projects should consider the current generation of Huawei hardware. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/11851368106352359e697b1-64d0d5694ffa.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Huawei SUN2000-50KTL-JPM0](https://comparepv.com/inverter/huawei-sun2000-50ktl-jpm0) | 50 kW | 98.6% | 6 | 71.0 kg | 3.0 kg lighter | | [Solis-50K-HV](https://comparepv.com/inverter/ginlong-solis-solis-50k-hv) | 50 kW | 98.5% | 4 | 61.0 kg | -2 MPPT, 13.0 kg lighter | | [Growatt MAX 50KTL3 LV](https://comparepv.com/inverter/growatt-max-50ktl3-lv) | 50 kW | 98.4% | | 82.0 kg | 8.0 kg heavier | | [Sungrow SG50CX](https://comparepv.com/inverter/sungrow-sg50cx) | 50 kW | 98.4% | | 62.0 kg | 12.0 kg lighter | | [Solis-50K](https://comparepv.com/inverter/ginlong-solis-solis-50k) | 50 kW | 98.4% | 4 | 63.0 kg | -2 MPPT, 11.0 kg lighter | | [SOFAR 50000TL](https://comparepv.com/inverter/sofar-solar-sofar-50000tl) | 50 kW | 98.3% | 3 | 68.0 kg | -3 MPPT, 6.0 kg lighter | | [Sungrow SG50CX-P2](https://comparepv.com/inverter/sungrow-sg50cx-p2) | 50 kW | 98.3% | 4 | 41.0 kg | -2 MPPT, 33.0 kg lighter | | [Fronius Tauro 50-3-D (Direct)](https://comparepv.com/inverter/fronius-international-fronius-tauro-50-3-d-direct) | 50 kW | 98.3% | | 92.0 kg | 18.0 kg heavier | --- Source: https://comparepv.com/inverter/huawei-sun2000-50ktl-m0