--- title: "Huawei SUN2000-300KTL-H0 Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Huawei SUN2000-300KTL-H0 300 kW grid-tie inverter. Specs: 6 MPPT, 1500 V max DC input, 112.0 kg." source: "https://comparepv.com/inverter/huawei-sun2000-300ktl-h0" updated: 2026-01-16 --- # Huawei SUN2000-300KTL-H0 ## Identity - **Manufacturer:** Huawei - **Model:** SUN2000-300KTL-H0 - **Series:** SUN2000-300KTL-H0 - **Rated AC power:** 300 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 | - | 98.6% | | | | 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 13% | 12 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 300 kW - **Max AC power:** 330.00 kW - **Max apparent power:** 330.00 kVA - **Phases:** Three-phase - **Nominal AC voltage:** 800 V - **Max AC current:** 238.2 A - **Grid frequency:** 50 Hz - **Power factor:** 0.8 leading … 0.8 lagging - **Harmonic distortion (THD):** 1.0 % ### PV input - **Max DC voltage:** 1500 V - **MPPT voltage range:** 500 to 1500 V - **MPPT trackers:** 6 - **Max input current per MPPT:** 65.0 A - **Max short-circuit current per MPPT:** 115.0 A ### Efficiency - **Max efficiency:** 99.0 % ### Physical - **Dimensions:** 732 × 1048 × 395 mm - **Weight:** 112.0 kg - **Enclosure:** IP66 - **Cooling:** forced-air - **Operating temperature:** -30 to 60 °C - **Max humidity:** 100 % - **Max altitude:** 5000 m ### Connectivity and protection - **Interfaces:** Wi-Fi, Bluetooth - **Protocols:** RS485, USB, MBUS, Bluetooth, WLAN (WiFi) - **Protection:** DC switch, Surge protection ### Warranty and certificates - **Certifications:** NB/T 32004-2018, GB/T 37408-2019, ISO/IEC 15408 ### Pros - **Peak Efficiency of 99.03%** - The maximum efficiency of 99.03% confirmed in the technical documentation places the SUN2000-300KTL-H0 at the forefront of 300 kW class string inverters. For an industrial installation at this scale, every 0.1 percentage point of efficiency translates to several additional MWh of generation per year. - **1500 V DC Architecture with 6 MPPT Trackers** - A DC bus voltage of up to 1500 V (MPPT range: 500-1500 V) enables longer strings and reduces transmission losses across the plant. Six independent MPPT trackers allow arrays with varying azimuth and tilt angles to be served independently, minimizing the impact of partial shading on overall generator yield. - **AI-Driven Active Diagnostics and AFCI Protection** - The built-in smart I-V curve diagnosis function detects string degradation without additional hardware, while the integrated Arc Fault Circuit Interrupter (AFCI) reduces fire risk. Both features lower O&M costs in large commercial installations and satisfy the growing requirements of insurance underwriters. - **IP66 Enclosure and Fanless Cooling** - An IP66 ingress protection rating permits outdoor installation without additional enclosures, and convection-based cooling eliminates the risk of mechanical fan failure - a significant advantage when planning MTBF for industrial installations with a 20-25 year operational horizon. - **Tier-1 Bankable Status and Certified FusionSolar Platform** - Huawei appears on the Bloomberg NEF Tier-1 bankable manufacturers list, which streamlines project financing. The FusionSolar platform provides real-time monitoring with AI-generated alerts, lender reporting, and SCADA integration via Modbus/IEC 104. ### Cons - **EU Regulatory Risk - Subsidy Freeze** - In May 2026, the European Commission announced a freeze on EU funding for renewable energy projects using inverters from manufacturers classified as high-risk - including Huawei - citing cybersecurity threats to energy infrastructure. For Polish commercial installations drawing on KPO or FENX funds, this may necessitate a change of supplier or result in loss of grant funding. - **Salt-Laden Environment Restrictions** - Huawei's user manual excludes installation in zones within 500 m of the coastline or exposed to salt mist as a warranty condition. This restriction applies to port facilities, coastal industrial zones, and offshore platforms. ## About this series Huawei SUN2000-300KTL-H0 is a **three-phase grid-tie inverter** designed for large commercial and industrial installations, where reliable operation, fast diagnostics, and high energy yield are essential. Its key advantage is **multi-string MPPT tracking** - six independent trackers simplify PV field design for different orientations and better handle partial shading or uneven module degradation, minimizing losses across the entire string. In practice, its high European efficiency means less energy is lost during conversion under typical operating conditions in Poland, translating to more reliable annual returns. Robust safety and protection features for the installation also support reliability in industrial environments. Daily operation relies on **FusionSolar app monitoring** and flexible communication (including via WLAN adapter and wired interfaces). The housing with a **high IP66 rating** facilitates outdoor mounting, and the standard manufacturer warranty is 5 years. ## Questions ### How many MPPT trackers does the Huawei SUN2000-300KTL-H0 inverter have, and why does it matter? The SUN2000-300KTL-H0 series features six independent MPPT trackers. Each tracker optimizes the operation of a separate string group, allowing modules with different orientations or tilt angles to be combined within a single installation without mutual yield degradation. In practice, this translates to lower losses under partial shading conditions and greater design flexibility for large utility-scale and industrial PV plants. ### What is the maximum efficiency of the SUN2000-300KTL-H0 inverter, and does it matter in the Polish climate? The inverter achieves a maximum conversion efficiency of up to 99.01%, and its high European efficiency rating minimizes losses under the variable irradiance conditions typical of Poland. In a 300 kW installation, even a fraction of a percentage point difference in efficiency amounts to hundreds of additional kilowatt-hours fed into the grid annually, directly impacting the return on investment. ### Is the Huawei SUN2000-300KTL-H0 inverter suitable for outdoor installation? Yes, the SUN2000-300KTL-H0 enclosure carries an IP66 ingress protection rating, providing full protection against dust ingress and powerful water jets. The unit is designed to operate reliably in harsh environmental conditions, making direct mounting on the exterior wall of a manufacturing facility or on a ground-mounted racking structure fully recommended and supported by the manufacturer. ### How does monitoring work for an installation based on the SUN2000-300KTL-H0 - can it be managed remotely? The inverter integrates with the FusionSolar platform, which provides full visibility of energy production, alerts, and operating parameters via a web browser or mobile application. Supported wired interfaces include RS485 and Ethernet, with an optional WLAN adapter or 4G module available for wireless connectivity. For large industrial installations, Modbus TCP is also supported, enabling seamless integration with SCADA systems. ### What is the standard manufacturer warranty on the Huawei SUN2000-300KTL-H0, and can it be extended? Huawei provides a standard 5-year warranty on the SUN2000-300KTL-H0 series. Coverage can be extended to 10, 15, or even 20 years through paid service packages. The warranty covers unit replacement as well as transportation and service costs up to a defined limit, provided the installation has been carried out by a qualified electrician in accordance with the manufacturer's documentation. ### What types of installations is the SUN2000-300KTL-H0 series best suited for - will it work for a small business? The SUN2000-300KTL-H0 is a 300 kW inverter designed for large commercial and industrial applications: manufacturing facilities, logistics centers, ground-mounted arrays, and utility-scale PV parks. For a typical small business with a demand of several tens of kilowatts, it would be significantly oversized. In such cases, smaller models from the SUN2000 family in the 20-100 kW range represent a more appropriate choice. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/sun2000-300ktl-h0-datasheet-230511-87a42a0b2e92.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Huawei SUN2000-330KTL-H1](https://comparepv.com/inverter/huawei-sun2000-330ktl-h1) | 300 kW | 98.8% | 6 | 112.0 kg | Similar on paper | | [SolarEdge TerraMax Inverter SE300K](https://comparepv.com/inverter/solaredge-solaredge-terramax-inverter-se300k) | 297 kW | 98.8% | | 175.0 kg | -3.0 kW, 63.0 kg heavier | | [Sungrow SG285HX](https://comparepv.com/inverter/sungrow-sg285hx) | 285 kW | 98.8% | 12 | 116.0 kg | -15.0 kW, +6 MPPT, 4.0 kg heavier | | [Growatt MAX 320K-X](https://comparepv.com/inverter/growatt-max-320k-x) | 320 kW | 98.5% | 6 | 126.0 kg | +20.0 kW, 14.0 kg heavier | | [Sungrow SG320HX](https://comparepv.com/inverter/sungrow-sg320hx) | 320 kW | | 12 | 116.0 kg | +20.0 kW, +6 MPPT, 4.0 kg heavier | | [Sungrow SG350HX-US](https://comparepv.com/inverter/sungrow-sg350hx-us) | 320 kW | | 12 | 122.0 kg | +20.0 kW, +6 MPPT, 10.0 kg heavier | | [GoodWe GW320K-UT](https://comparepv.com/inverter/goodwe-gw320k-ut) | 320 kW | | 15 | 124.0 kg | +20.0 kW, +9 MPPT, 12.0 kg heavier | | [GoodWe GW320KH-UT](https://comparepv.com/inverter/goodwe-gw320kh-ut) | 320 kW | | 15 | 124.0 kg | +20.0 kW, +9 MPPT, 12.0 kg heavier | --- Source: https://comparepv.com/inverter/huawei-sun2000-300ktl-h0