--- title: "Huawei SUN2000-50KTL-M3 Grid-tie Inverter: Specs & Prices | ComparePV" description: "Huawei SUN2000-50KTL-M3 50 kW grid-tie inverter: 6 shop offers from 12 789 zł. Specs: 98.0% European efficiency, 4 MPPT, 1100 V max DC input, 49.0 kg." source: "https://comparepv.com/inverter/huawei-sun2000-50ktl-m3" updated: 2026-10-11 --- # Huawei SUN2000-50KTL-M3 ## Identity - **Manufacturer:** Huawei - **Model:** SUN2000-50KTL-M3 - **Series:** SUN2000-KTL-M3 - **Rated AC power:** 50 kW - **Type:** Grid-tie - **Phases:** Three-phase ## Price offers Prices are the figure each shop printed, on that shop's side of VAT. | Shop | Market | Price | Per kW | Availability | Last read | | --- | --- | --- | --- | --- | --- | | [Klifenergy](https://comparepv.com/go/262) | Poland | 12 789 zł incl. VAT | 255.78 zł/kW | In stock | Last read 11 Oct 02:19 | | [Sklep Soltech](https://comparepv.com/go/6247) | Poland | 10 624.80 zł net | 212.50 zł/kW | Not stated | Last read 11 Oct 03:29 | | [www.solarwinkel.be](https://comparepv.com/go/96123) | Belgium | 3 348.19 € incl. VAT | 66.96 €/kW | In stock | Last read 11 Oct 00:44 | | [shop.solarprofi-24.de](https://comparepv.com/go/185885) | Germany | 3 299 € incl. VAT | 65.98 €/kW | In stock | Last read 11 Oct 01:13 | | [livre.pt](https://comparepv.com/go/128221) | Portugal | 3 399.99 € net | 68 €/kW | Not stated | Last read 11 Oct 04:31 | | [supermercadosolar.es](https://comparepv.com/go/102267) | Spain | 4 204.97 € incl. VAT | 84.10 €/kW | In stock | Last read 11 Oct 02:37 | ## 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 | 98.0% | 98.2% | Typical | 99 | | MPPT trackers | 4 | 4 | Typical | 34 | | Max DC input voltage | 1100 V | 1100 V | Typical | 3 | | Weight per kW | 1.0 | 1.1 | Typical | 83 | | 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:** 79.8 A - **Grid frequency:** 50 Hz - **Power factor:** 0.8 leading (LG) ... 0.8 lagging (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:** 4 - **Max input current per MPPT:** 30.0 A - **Max short-circuit current per MPPT:** 40.0 A ### Efficiency - **European efficiency:** 98.0 % - **Max efficiency:** 98.5 % ### Physical - **Dimensions:** 530 × 640 × 270 mm - **Weight:** 49.0 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, Ethernet, Bluetooth - **Protocols:** Bluetooth (via app), RS485, WLAN (optional smart dongle), Ethernet (optional smart dongle), 4G/3G/2G (optional smart dongle), MBUS (monitoring bus; isolation transformer required) - **Protection:** AFCI, DC switch, Surge protection ### Warranty and certificates - **Certifications:** EN 62109-1/-2, IEC 62109-1/-2, EN 50530, IEC 62116, IEC 60068, IEC 61683, IEC 61727, VDE-AR-N4105, VDE 0126-1-1, BDEW, G59/3, UTE C 15-712-1, CEI 0-16, CEI 0-21, RD 661, RD 1699, P.O. 12.3, RD 413, EN-50438 (Turkey), EN-50438 (Ireland), C10/11, MEA, Resolution No.7, NRS 097-2-1, DEWA ### Pros - **4 Independent MPPT Trackers, 8 DC Inputs** - The M3 series features 4 independent MPPT trackers with 8 DC string inputs, enabling efficient operation in installations with panels facing multiple orientations (e.g., east-west-south) or under partial shading conditions. Mismatch losses are minimized individually per tracker - a significant advantage over two-MPPT inverters in this power class. - **Efficiency Up to 98.8%** - The 40KTL-M3 model achieves a peak efficiency of 98.8%, with a weighted European efficiency that places the series among the top performers in the commercial 20-50 kW segment. By comparison, equivalent competing models (e.g., Sungrow SG40CX) achieve maximum efficiencies of 98.6-98.7%. - **AI-AFCI: Arc Detection Up to 200 m** - The built-in Arc Fault Circuit Interrupter, driven by machine-learning algorithms, detects DC wiring arcs up to 200 m from the inverter - a requirement under IEC 63027 and an established standard for commercial installations. The system automatically classifies alarms and trips the inverter after 5 events within a 24-hour window, providing fire protection. - **FusionSolar Ecosystem + Flexible Connectivity** - Standard Wi-Fi connectivity - expandable via Ethernet or an LTE module through a Smart Dongle - enables seamless integration with the FusionSolar platform for monitoring, analytics, and remote firmware updates. Open APIs (Modbus-TCP, MQTT) allow third-party SCADA and EMS integration at no additional licensing cost. - **Tier-1 Bankable, Global Service Network** - Huawei has maintained a continuous Tier-1 bankable rating on the BNEF list for years, facilitating project financing and satisfying the due diligence requirements of investment funds. The manufacturer offers a standard 10-year warranty (extendable to 25 years) and an extensive network of authorized service partners across Poland and Europe. ### Cons - **EU Regulatory Risk: Subsidy Ban** - In May 2026, the EU froze funding for renewable energy projects using Chinese-made inverters, including Huawei. Financial institutions are required to report and replace Chinese inverters within their project portfolios. For investments co-financed by EU funds (e.g., RRF/KPO, FENX), this represents a real barrier to product selection or may require equipment replacement. - **Cybersecurity Concerns for Grid Infrastructure** - Germany's BSI and several EU security agencies (Lithuania, Czech Republic) have formally classified Chinese inverters as a risk to critical infrastructure. Research published in 2025 identified undocumented communication modules in devices from Chinese manufacturers. Huawei and Sungrow together control remote access to approximately 168 GW of PV capacity in Europe, raising concerns among regulators and grid operators (TSOs/DSOs) regarding grid-connected system expansion. ## About this series The Huawei SUN2000-KTL-M3 series comprises modern **grid-tie** inverters designed for three-phase systems, optimized for high performance and efficient serviceability in commercial and small industrial applications. A key feature is **multi-string MPPT**, with multiple independent trackers enabling efficient operation of PV strings with different orientations (e.g., east-west) and minimizing losses under partial shading. High European efficiency ensures the inverter operates effectively not only under ideal conditions but primarily under typical Polish operating temperatures and loads, translating to reliable annual energy production. Standard features include convenient monitoring via the FusionSolar app and flexible connectivity - **built-in WiFi** with the option to expand via Ethernet or cellular communication using the Smart Dongle. The series offers comprehensive safety features, including arc fault detection and surge protection, along with a robust, external housing. An additional advantage is the **manufacturer’s warranty** and compliance with required grid certification standards. ## Questions ### How many MPPT trackers does the Huawei SUN2000-KTL-M3 series feature, and does it make sense to combine panels with different orientations? The SUN2000-KTL-M3 series is equipped with multiple independent MPPT trackers - for example, the 20KTL model has 8 - allowing separate strings of east- and west-facing panels to be managed without cross-losses. As a result, an installation on a dual-pitch roof can generate energy over a longer period throughout the day, and shading losses on one string do not affect the remaining strings. ### What is the warranty on the Huawei SUN2000-KTL-M3 inverter? The standard manufacturer's warranty for the SUN2000-KTL-M3 series is 10 years. Huawei offers the option to extend it to 20 years through a paid service package. The warranty covers material and manufacturing defects; maintaining warranty coverage requires installation by a certified installer and registration of the device in the FusionSolar system. ### What maximum efficiency does the Huawei SUN2000-KTL-M3 achieve, and does it matter for conditions typical of Poland? Models in the KTL-M3 series achieve a maximum efficiency of up to 98.7%, and their high European Efficiency rating reflects strong performance under the partial-load conditions and variable irradiance typical of Poland. In practice, this translates into real energy gains throughout the entire year - not only on sunny summer days. ### How does monitoring work with the SUN2000-KTL-M3 inverter, and do I need an additional device? The inverter has built-in Wi-Fi, so basic monitoring via the FusionSolar app can be set up without any additional hardware. If you require a more stable connection - for example, via a wired LAN - or cellular 4G transmission, a Smart Dongle is all you need to add. The FusionSolar app lets you track generation, alarms, and device status on your smartphone in real time. ### Does the Huawei SUN2000-KTL-M3 inverter meet Polish grid connection requirements, and what certifications does it hold? Yes, the SUN2000-KTL-M3 series holds the certifications required in the European market, including compliance with the grid connection standards applicable in Poland (among others, VDE-AR-N 4105 and EN 50549). The device supports reactive and active power regulation functions, which are increasingly required by grid operators when connecting commercial installations. ### Is the Huawei SUN2000-KTL-M3 series suitable for a small business, or only for large industrial facilities? The series covers models ranging from 20 kW to 50 kW, making it an optimal choice for both small businesses - such as warehouses, workshops, and offices with flat roofs - and larger commercial facilities. Thanks to multi-string MPPT and an IP65-rated enclosure, it performs well in a variety of rooftop configurations, while its compact dimensions simplify installation in constrained plant rooms. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/Point-12-EN-SUN2000-50KTL-M3-15813cf4ee78.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 | +0.6 pp efficiency, +2 MPPT, 22.0 kg heavier | | [Huawei SUN2000-50KTL-M0](https://comparepv.com/inverter/huawei-sun2000-50ktl-m0) | 50 kW | 98.5% | 6 | 74.0 kg | +0.5 pp efficiency, +2 MPPT, 25.0 kg heavier | | [Solis-50K-HV](https://comparepv.com/inverter/ginlong-solis-solis-50k-hv) | 50 kW | 98.5% | 4 | 61.0 kg | +0.5 pp efficiency, 12.0 kg heavier | | [Growatt MAX 50KTL3 LV](https://comparepv.com/inverter/growatt-max-50ktl3-lv) | 50 kW | 98.4% | | 82.0 kg | +0.4 pp efficiency, 33.0 kg heavier | | [Sungrow SG50CX](https://comparepv.com/inverter/sungrow-sg50cx) | 50 kW | 98.4% | | 62.0 kg | +0.4 pp efficiency, 13.0 kg heavier | | [Solis-50K](https://comparepv.com/inverter/ginlong-solis-solis-50k) | 50 kW | 98.4% | 4 | 63.0 kg | +0.4 pp efficiency, 14.0 kg heavier | | [SOFAR 50000TL](https://comparepv.com/inverter/sofar-solar-sofar-50000tl) | 50 kW | 98.3% | 3 | 68.0 kg | -1 MPPT, 19.0 kg heavier | | [Sungrow SG50CX-P2](https://comparepv.com/inverter/sungrow-sg50cx-p2) | 50 kW | 98.3% | 4 | 41.0 kg | 8.0 kg lighter | --- Source: https://comparepv.com/inverter/huawei-sun2000-50ktl-m3