--- title: "Huawei SUN2000-330KTL-H2 Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Huawei SUN2000-330KTL-H2 275 kW grid-tie inverter. Specs: 98.8% European efficiency, 6 MPPT, 1500 V max DC input, 112.0 kg." source: "https://comparepv.com/inverter/huawei-sun2000-330ktl-h2" updated: 2026-01-16 --- # Huawei SUN2000-330KTL-H2 ## Identity - **Manufacturer:** Huawei - **Model:** SUN2000-330KTL-H2 - **Series:** SUN2000-KTL-H2 - **Rated AC power:** 275 kW - **Type:** Grid-tie - **Phases:** Three-phase ## How it compares Compared against 95 inverters from 100 to 500 kW. Ranks are within that class. | Measure | This inverter | Class median | Standing | Rank in class | | --- | --- | --- | --- | --- | | European efficiency | 98.8% | 98.6% | Strong - top 21% | 5 | | MPPT trackers | 6 | 10 | Weak - bottom 14% | 56 | | Max DC input voltage | 1500 V | 1100 V | Strong - top 24% | 1 | | Weight per kW | 0.4 | 0.6 | Strong - top 24% | 23 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 275 kW - **Max AC power:** 330.00 kW - **Max apparent power:** 330.00 kVA - **Phases:** Three-phase - **Nominal AC voltage:** 800 V - **Max AC current:** 240.3 A - **Power factor:** 0.8 LG ... 0.8 LD - **Harmonic distortion (THD):** 1.0 % ### PV input - **Max DC voltage:** 1500 V - **MPPT voltage range:** 500 to 1500 V - **Start-up voltage:** 550 V - **MPPT trackers:** 6 - **Max input current per MPPT:** 65.0 A - **Max short-circuit current per MPPT:** 115.0 A ### Efficiency - **European efficiency:** 98.8 % - **Max efficiency:** 99.0 % ### Physical - **Dimensions:** 732 × 1048 × 395 mm - **Weight:** 112.0 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:** WLAN, MBUS, RS485, USB - **Protection:** DC switch, Surge protection ### Warranty and certificates - **Certifications:** IEC 62109-1, IEC 62109-2, IEC 62920, IEC 60947-2, EN 50549-2, IEC 61683 ### Pros - **European Efficiency ≥98.8%** - The H2 series delivers a peak efficiency of ≥99.0% and a European efficiency of ≥98.8% (per the official SUN2000-200KTL-H2 datasheet), placing it among the top-performing utility-scale string inverters on the market. By comparison, the SMA Sunny Tripower Core1 50 achieves a European efficiency of 98.0% - a gap that translates into measurably higher annual energy yield on large-scale PV plants. - **9 MPPT Trackers, 18 DC Inputs** - The 200KTL-H2 features 9 independent MPPT trackers with 18 DC inputs, enabling system designs that combine strings of different orientations or operate under partial shading conditions without significant system losses. This is a critical advantage on irregular industrial rooftops or in east/west split-orientation configurations running simultaneously. - **On-Site Intelligent I-V Curve Diagnostics** - The built-in string-level I-V curve scanner identifies underperforming modules or strings without requiring manual multimeter measurements in the field. In practice, this reduces O&M service time on a large installation from several hours to a matter of minutes, directly lowering the cost of ongoing maintenance. - **Tier-1 Bankable - Full Financeability** - Huawei has appeared on BNEF Tier-1 inverter lists for several consecutive years and is broadly accepted by project finance lenders as a creditworthy OEM. For commercial investors and utility-scale developers, this eliminates a common barrier when structuring project finance arrangements or equipment leasing agreements. - **FusionSolar Ecosystem - Enterprise-Grade Monitoring** - The FusionSolar platform provides remote diagnostics, string-level alarms, performance reporting, and SCADA integration via Modbus TCP and IEC 104. Photomate - a Huawei-certified 5-star service partner in Poland - offers remote fault analysis, significantly reducing response times for service events. ### Cons - **EU Regulatory Risk - Cybersecurity** - In May 2026, the European Commission announced a freeze on EU funding for PV projects using inverters from vendors classified as 'high risk,' explicitly naming Huawei and Sungrow (sources: Euronews, 04 May 2026; PV Magazine, January 2026). For commercial projects and solar farms seeking grants under Poland's KPO, FEnIKS, or other EU funding programs, this creates a tangible risk of subsidy disqualification or a mandatory vendor change at the audit stage. ## About this series The Huawei SUN2000-KTL-H2 series are three-phase grid-tie inverters designed for large rooftop installations and PV farms, where reliable operation, rapid diagnostics, and high system availability are essential. What sets them apart is their multi-track MPPT, which simplifies design with strings of different orientations or partial shading - the inverter precisely captures energy from every generator area, rather than averaging losses. In practice, high European efficiency means better yields in real weather conditions in Poland, especially during transitional seasons when installations often operate under variable loads. Additionally, intelligent I-V diagnostics accelerates DC-side problem detection and reduces service time. Monitoring is conducted within the FusionSolar ecosystem, with communication via WiFi or Ethernet (depending on configuration/dongle), facilitating installation oversight and production reporting. Designed for grid connection requirements and professional operation - this is the choice for installers and commercial/institutional investors seeking reliable performance. ## Questions ### What system size is the Huawei SUN2000-KTL-H2 series suited for? The SUN2000-KTL-H2 series comprises commercial and utility-scale PV inverters ranging from approximately 100 kW to 330 kW (models 100KTL, 200KTL, and 330KTL). It is designed for large rooftop installations on industrial facilities and warehouses, as well as for ground-mounted solar farms. This series is not intended for residential prosumers - for smaller three-phase systems, Huawei offers the M0, M1, or M2 series instead. ### How many MPPT inputs does the Huawei SUN2000-KTL-H2 inverter have, and what does that mean in practice? Depending on the model, the series offers between 6 and 9 independent MPPT inputs. In practice, this means an installer can connect string arrays with different orientations (e.g., south-facing and east-west-facing) or different tilt angles to a single unit without significant yield loss. Each MPPT tracker independently follows its own power maximum, so partial shading on one group of panels does not degrade the performance of the remaining strings. ### What is the efficiency of the SUN2000-KTL-H2 series inverters? The series achieves a maximum efficiency above 99% and a European weighted efficiency (EU efficiency) above 98.8%. The European efficiency figure is more relevant when assessing real-world energy yields in Poland, as it accounts for operation at varying load levels throughout the year. The high efficiency translates into lower conversion losses, particularly during transitional seasons when the instantaneous output of the installation is well below its nominal rating. ### How does I-V curve diagnostics work in the Huawei SUN2000-KTL-H2 series, and does it speed up servicing? The I-V curve diagnostic function enables the inverter to autonomously scan the characteristic curve of each PV string and compare it against a reference profile. Deviations indicate module degradation, wiring faults, or progressive soiling. Rather than manually inspecting cables and panels on-site, the service technician receives a specific fault indicator for the DC side directly within the FusionSolar platform, which significantly reduces the duration of service visits and minimizes system downtime. ### How does system monitoring work with the SUN2000-KTL-H2 inverter - are additional devices required? The KTL-H2 series inverters integrate with the FusionSolar platform and communicate via Wi-Fi or Ethernet, depending on the configuration or the installed communication dongle. Real-time data monitoring requires only the FusionSolar mobile app or a web browser. For multi-inverter installations or those requiring formal reporting to an investor, it is recommended to deploy a dedicated Smart Manager as a local data concentrator. ### What warranty is provided for the Huawei SUN2000-KTL-H2 inverters? The standard warranty for the KTL-H2 series is 5 years and covers material and manufacturing defects. Huawei offers the option to purchase an extended warranty. Service is provided on a door-to-door basis through an authorized partner network. Before purchasing, it is advisable to confirm service availability in Poland with the local distributor, as warranty terms may vary depending on the market and the date of sale of the unit. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/sun2000-330ktl-h2-datasheet-20230515-d93c4fbe5a2a.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Sungrow SG285HX](https://comparepv.com/inverter/sungrow-sg285hx) | 285 kW | 98.8% | 12 | 116.0 kg | +10.0 kW, +6 MPPT, 4.0 kg heavier | | [Solis-255K-EHV-5G-PLUS](https://comparepv.com/inverter/ginlong-solis-solis-255k-ehv-5g-plus) | 255 kW | 98.8% | 12 | 113.0 kg | -20.0 kW, +6 MPPT, 1.0 kg heavier | | [SOFAR 255KTL-HV](https://comparepv.com/inverter/sofar-solar-sofar-255ktl-hv) | 255 kW | 98.7% | 12 | 99.0 kg | -20.0 kW, +6 MPPT, 13.0 kg lighter | | [SolarEdge TerraMax Inverter SE300K](https://comparepv.com/inverter/solaredge-solaredge-terramax-inverter-se300k) | 297 kW | 98.8% | | 175.0 kg | +22.0 kW, 63.0 kg heavier | | [Growatt MAX 253KTL3-X HV](https://comparepv.com/inverter/growatt-max-253ktl3-x-hv) | 253 kW | 98.5% | | 109.0 kg | -22.0 kW, 3.0 kg lighter | | [Huawei SUN2000-330KTL-H1](https://comparepv.com/inverter/huawei-sun2000-330ktl-h1) | 300 kW | 98.8% | 6 | 112.0 kg | +25.0 kW | | [SOFAR 250KTLX0](https://comparepv.com/inverter/sofar-solar-sofar-250ktlx0) | 250 kW | 98.8% | | 111.0 kg | -25.0 kW, 1.0 kg lighter | | [Sungrow SG250HX-20](https://comparepv.com/inverter/sungrow-sg250hx-20) | 250 kW | 98.8% | 6 | 106.0 kg | -25.0 kW, 6.0 kg lighter | --- Source: https://comparepv.com/inverter/huawei-sun2000-330ktl-h2