--- title: "Growatt MID 30KTL3-X2-1 Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Growatt MID 30KTL3-X2-1 30 kW grid-tie inverter. Specs: 98.5% European efficiency, 1100 V max DC input, 31.0 kg, 5 yrs warranty." source: "https://comparepv.com/inverter/growatt-mid-30ktl3-x2-1" updated: 2026-01-16 --- # Growatt MID 30KTL3-X2-1 ## Identity - **Manufacturer:** Growatt - **Model:** MID 30KTL3-X2-1 - **Series:** MID KTL3 - **Rated AC power:** 30 kW - **Type:** Grid-tie - **Phases:** Three-phase ## How it compares Compared against 227 inverters from 12 to 30 kW. Ranks are within that class. | Measure | This inverter | Class median | Standing | Rank in class | | --- | --- | --- | --- | --- | | European efficiency | 98.5% | 98.0% | Strong - top 6% | 8 | | MPPT trackers | - | 2 | | | | Max DC input voltage | 1100 V | 1000 V | Strong - top 21% | 1 | | Weight per kW | 1.0 | 1.6 | Strong - top 12% | 27 | | Warranty | 5 yrs | 5 yrs | Typical | 25 | ## Specification ### AC output - **Rated AC power:** 30 kW - **Max apparent power:** 30.00 kVA - **Phases:** Three-phase - **Nominal AC voltage:** 400 V - **Max AC current:** 45.5 A - **Grid frequency:** 50 Hz - **Power factor:** 0.8 leading … 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC input power:** 45.00 kW - **Max DC voltage:** 1100 V - **MPPT voltage range:** 200 to 1000 V - **Start-up voltage:** 200 V - **Max input current per MPPT:** 32.0 A - **Max short-circuit current per MPPT:** 40.0 A ### Efficiency - **European efficiency:** 98.5 % - **Max efficiency:** 98.8 % ### Physical - **Dimensions:** 435 × 580 × 230 mm - **Weight:** 31.0 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, Display - **Protocols:** RS485, USB, WiFi, GPRS (optional), RF (optional), LAN/Ethernet (optional/yes per table) - **Protection:** DC switch, Surge protection ### Warranty and certificates - **Warranty:** 5 years - **Certifications:** CE, VDE0126, EN50549-1, IEC62116, IEC61727, IEC 60068, IEC 61683, CEI0-21, N4105, TOR Erzeuger, G98/G99, G100, UNE217001, UNE206007, PO12.2, UTE C 15-712, C10/C11, Greece ### Pros - **Peak efficiency 98.8% and MPPT efficiency 99.9%** - The manufacturer-rated peak efficiency of 98.8% and maximum power point tracking efficiency of 99.9% place the MID KTL3 series in the top quartile of the commercial three-phase 15-50 kW inverter segment, on par with the SMA Sunny Tripower Core2 (98.9%) and Fronius Symo GEN24 Plus (98.5%). - **3-4 independent MPPT inputs** - The availability of 3 or 4 independent MPPT trackers (depending on the power variant) enables PV arrays with differing azimuths, tilt angles, or partial shading to be served without mutual degradation of operating points - a significant advantage over 1-2 MPPT designs such as older ABB PVS-TL variants in complex commercial installations. - **Integrated Type II DC+AC SPD and AFCI protection** - Built-in Type II surge protection devices on both the DC and AC sides, combined with arc-fault circuit interrupter (AFCI) detection - required under NEC 2020 and an increasing number of insurance-backed projects in the EU - eliminates the need for external protective devices, reducing the overall BoS cost of the installation. - **Free ShineServer monitoring for 25 years** - The ShineServer platform provides free storage and analysis of production data for 25 years, including intelligent I/V curve scanning for individual strings. By comparison, extended O&M services from competitors - such as SMA Energy System Business - are subscription-based after the first year. - **Wide power range 15-50 kW within a single series** - A unified platform spanning variants from 15 to 50 kW (MID 15-50 KTL3-X) enables standardization of design, logistics, and servicing within a single product family - eliminating the need to mix different product lines when scaling commercial installations. ### Cons - **No BNEF Tier-1 bankable manufacturer status** - Growatt does not appear on the BNEF Tier-1 Bankable Inverter Manufacturers list (as of 2025/2026), which may complicate or preclude project finance for PV installations above 100 kWp at institutions that require this status from key component suppliers. Direct commercial-segment competitors - SMA, Fronius, and Huawei - all hold this designation. - **Standard warranty only 5 years (extendable to 10)** - The base warranty on Growatt inverters is 5 years; extension to 10 years requires an additional fee. Fronius includes 10 years as standard for the Symo series, and SMA offers a free 10-year extension via online registration - a meaningful difference in TCO over the 20-25-year horizon of a commercial installation. ## About this series Growatt MID KTL3 series three-phase grid-tie inverters are designed for commercial and industrial installations, where stable operation, high energy yield, and straightforward service support are key. Depending on the variant, they feature **3 or 4 independent MPPTs**, simplifying PV field design for varying orientations, string lengths, or partial shading conditions-each tracker operates optimally without dragging down the entire generator. Real-world energy gains are boosted by **high European efficiency**, calculated for typical operating conditions in our climate zone, not just laboratory ideals. Implemented safety and reliability features include, among others, **Level II overvoltage protection on both DC and AC sides** and a high enclosure IP rating. In practice, you also benefit from **smart string monitoring** and remote O&M support via the Growatt platform (depending on configuration with communication modules, e.g., LAN or WiFi). The series includes a complete set of certificates compliant with EU market requirements, including those for Poland. ## Questions ### How many MPPT trackers does the Growatt MID KTL3 inverter have, and why does this matter in a commercial installation? The Growatt MID KTL3 series features 3 or 4 independent MPPT trackers depending on the power variant. In commercial and industrial installations, this allows PV strings with different orientations or lengths to be connected without mutually reducing system performance. When one string is partially shaded, the remaining strings continue to operate at optimal power output. This is particularly important in large-scale rooftop installations on warehouses, industrial halls, and public buildings. ### What is the manufacturer's warranty on Growatt MID KTL3 inverters? Growatt provides a standard 10-year warranty on MID KTL3 models up to 22 kW, while higher-power models are covered by a 5-year manufacturer's warranty. The warranty covers material and manufacturing defects. In the event of a failure, Growatt commits to replacing the unit within approximately 5 business days. It is advisable to ask your distributor about extended warranty options at the time of purchase. ### Is the Growatt MID KTL3 inverter suitable for industrial or commercial installations in Poland? Yes, the MID KTL3 series is designed specifically for commercial and industrial applications. The three-phase AC output, available power ratings from 15 to 50 kW, and Type II surge protection on both the DC and AC sides meet the requirements of Polish installations on industrial halls, warehouses, and office buildings. The units hold EU certifications required for the Polish market, including compliance with Polish energy regulations. ### What is the European efficiency of the Growatt MID KTL3 inverter, and how does it affect system energy yield? Models in the MID KTL3 series achieve a peak efficiency of 98.7 to 98.8 percent. European efficiency, calculated for typical operating conditions in our climatic zone, accounts for real-world irradiance variations and is a meaningful indicator of actual energy yield. This high efficiency value translates directly into lower conversion losses and a greater amount of energy delivered to the grid throughout the year. ### Does the Growatt MID KTL3 inverter support remote monitoring, and how does it work? Yes, the MID KTL3 series supports smart string monitoring and remote management via the Growatt platform. A LAN or Wi-Fi communication module is required for connectivity. Both the installer and the system owner have access to real-time production data, generation history, and fault notifications through a dedicated mobile app and web portal. This is a significant advantage in commercial facilities, where rapid fault detection minimizes energy production losses. ### Is Growatt a reputable inverter manufacturer, and can I trust them for a large-scale installation? Growatt is one of the largest inverter manufacturers in the world, with installations across more than 180 countries. In 2025, the company achieved Tier 1 supplier status according to the S&P Global Commodity Insights classification. The manufacturer is headquartered in China, which is standard practice in the industry. MID KTL3 series products hold the EU certifications required for the Polish market. For large-scale installations, it is recommended to verify the local distributor and the terms of post-warranty service support. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/MID-30-50KTL3-X2-Datashee-827f8e337883.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Growatt MID 30KTL3-X2 (Pro.E)](https://comparepv.com/inverter/growatt-mid-30ktl3-x2-pro-e) | 30 kW | 98.6% | 3 | 24.0 kg | 7.0 kg lighter | | [Growatt MID 30KTL3-X](https://comparepv.com/inverter/growatt-mid-30ktl3-x) | 30 kW | 98.5% | | 29.5 kg | 1.5 kg lighter | | [GoodWe GW30K-MT](https://comparepv.com/inverter/goodwe-gw30k-mt) | 30 kW | 98.5% | | 40.0 kg | 9.0 kg heavier | | [Huawei SUN2000-33KTL-A](https://comparepv.com/inverter/huawei-sun2000-33ktl-a) | 30 kW | 98.4% | 4 | 62.0 kg | 31.0 kg heavier | | [Huawei SUN2000-30KTL-M3](https://comparepv.com/inverter/huawei-sun2000-30ktl-m3) | 30 kW | 98.4% | 4 | 43.0 kg | 12.0 kg heavier | | [Sungrow SG30T-P2-CN](https://comparepv.com/inverter/sungrow-sg30t-p2-cn) | 30 kW | 98.3% | 3 | 25.0 kg | 6.0 kg lighter | | [Sungrow SG30CX-P2](https://comparepv.com/inverter/sungrow-sg30cx-p2) | 30 kW | 98.3% | 3 | 38.0 kg | 7.0 kg heavier | | [SOFAR 30KTLX-G3](https://comparepv.com/inverter/sofar-solar-sofar-30ktlx-g3) | 30 kW | 98.2% | | 36.0 kg | 5.0 kg heavier | --- Source: https://comparepv.com/inverter/growatt-mid-30ktl3-x2-1