--- title: "Growatt MOD 10KTL3-X2(Pro) Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Growatt MOD 10KTL3-X2(Pro) 10 kW grid-tie inverter. Specs: 98.2% European efficiency, 2 MPPT, 1100 V max DC input, 14.6 kg, 8 yrs warranty." source: "https://comparepv.com/inverter/growatt-mod-10ktl3-x2-pro" updated: 2026-01-16 --- # Growatt MOD 10KTL3-X2(Pro) ## Identity - **Manufacturer:** Growatt - **Model:** MOD 10KTL3-X2(Pro) - **Series:** MOD 7~15KTL3-X2 - **Rated AC power:** 10 kW - **Type:** Grid-tie - **Phases:** Three-phase ## How it compares Compared against 266 inverters from 6 to 12 kW. Ranks are within that class. | Measure | This inverter | Class median | Standing | Rank in class | | --- | --- | --- | --- | --- | | European efficiency | 98.2% | 97.6% | Strong - top 4% | 5 | | MPPT trackers | 2 | 2 | Typical | 46 | | Max DC input voltage | 1100 V | 1000 V | Strong - top 12% | 1 | | Weight per kW | 1.5 | 2.3 | Strong - top 8% | 21 | | Warranty | 8 yrs | 5 yrs | Typical | 35 | ## Specification ### AC output - **Rated AC power:** 10 kW - **Max apparent power:** 11.00 kVA - **Phases:** Three-phase - **Nominal AC voltage:** 400 V - **Max AC current:** 16.0 A - **Grid frequency:** 50 Hz - **Power factor:** 0.8 leading … 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC input power:** 15.00 kW - **Max DC voltage:** 1100 V - **MPPT voltage range:** 140 to 1000 V - **Start-up voltage:** 160 V - **MPPT trackers:** 2 - **Max input current per MPPT:** 20.0 A - **Max short-circuit current per MPPT:** 25.0 A ### Efficiency - **European efficiency:** 98.2 % - **Max efficiency:** 98.6 % ### Physical - **Dimensions:** 387 × 425 × 178 mm - **Weight:** 14.6 kg - **Enclosure:** IP66 - **Cooling:** natural - **Operating temperature:** -25 to 60 °C - **Max humidity:** 100 % - **Max altitude:** 4000 m ### Connectivity and protection - **Interfaces:** Wi-Fi, Ethernet, Display - **Protocols:** USB, RS485, WiFi, GPRS (optional), LAN (optional), RF (optional) - **Protection:** AFCI, Surge protection ### Warranty and certificates - **Warranty:** 8 years - **Certifications:** CE, VDE 0126, EN 50549, IEC 62116, IEC 61727, CEI 0-21, N4105, G98/G99, G100 ### Pros - **Maximum efficiency of 98.6%** - The declared peak efficiency of 98.6% and the European average of approximately 98.1% (measured for the 10KTL3-X2 model) places the series in the upper quartile of mid-range three-phase inverters, where the European average efficiency is approximately 97.6-98.0%. This translates to significantly higher annual energy yields under the variable solar irradiance typical of Poland. - **2 MPPT, DC/AC ratio up to 2.0** - Two independent MPPT controllers with a voltage range of 140-1000 V allow for the use of two separate strings with different orientations or tilts without causing cross-interference. A DC/AC ratio of up to 2.0 enables oversizing of the PV generation, which improves performance during morning and evening hours and reduces the cost per kWp of installed capacity. - **IP66 + SPD Type II AC and DC, conforming to standard** - IP66 protection and built-in Class II surge protection devices (SPDs) on both AC and DC sides are standard in this series, while some competitors in this price range only offer SPDs as an optional, paid feature. This eliminates an additional cost and simplifies the electrical design of the installation. - **Price 20-40% lower than SMA/Fronius** - The Growatt MOD KTL3-X2 costs approximately 20-40% less than comparable three-phase inverters from SMA Sunny Tripower or Fronius Symo, while maintaining similar efficiency (annual production difference below 1%). For 10-15 kW installations, this price difference typically translates to a savings of 1000-2500 zł on the inverter alone, which shortens the return on investment. - **Ready for battery use and AFCI (Arc Fault Circuit Interrupter) option** - The series features a design ready for connecting a battery energy storage system (battery-ready) without the need to replace the inverter, and an optional AFCI (Arc Fault Circuit Interrupter) function allows compliance with increasing requirements from insurers and local fire protection regulations for PV installations. ### Cons - **Not classified as a Tier-1 bankable entity (BNEF)** - Growatt is not listed on the BNEF Tier-1 bankable inverter manufacturers list (as of Q1 2026), which excludes or makes it difficult to use the series in projects financed without recourse by banks. This limitation is practically irrelevant for residential and small commercial installations, but it may necessitate a change in equipment for projects requiring external financing. - **Standard 5-year warranty compared to the competitor's 10-year warranty** - The manufacturer's warranty is 5 years, while Fronius Symo and SMA Sunny Tripower offer 10 and 5 years respectively, with the option to extend to 20 years. Growatt does allow for an extension to 10 years, but this requires an additional payment, which increases the total cost of ownership (TCO) for an installation with a planned 25-year lifespan. - **Higher failure rate than the premium rate.** - Independent service analyses (2024-2025) indicate a failure rate of 2-5% for the current generation of Growatt inverters, while SMA and Fronius maintain a rate of 1-3%. For large installations or projects with strict service level agreements (SLAs), this difference can translate into real service and production downtime costs. ## About this series The Growatt MOD 7~15KTL3-X2 series represents modern grid-tie inverters for three-phase installations, designed for high energy production under real operating conditions. A key feature is the inclusion of two independent MPPTs, enabling efficient operation with two strings of modules in different orientations or tilts, while also minimizing losses during partial shading. High European efficiency ensures the inverter maintains excellent performance not only at its ideal operating point but also under typical, variable loads throughout the day, translating to higher annual yields. The inverter offers comprehensive monitoring capabilities: standard interfaces are available, and communication can be expanded via WiFi or Ethernet, allowing real-time monitoring through an app. Its transformerless design, combined with a weatherproof enclosure and built-in surge protection, supports reliability. The series meets common grid connection standards for Europe and comes with a manufacturer's warranty-making it suitable for larger homes and smaller and medium-sized commercial properties. ## Questions ### What system size is the Growatt MOD 7~15KTL3-X2 inverter suited for? The MOD 7~15KTL3-X2 series covers the 7 to 15 kW power range in a three-phase configuration, making it an ideal fit for larger single-family homes with a 3×25 A grid connection as well as small and medium-sized commercial installations. Its three-phase operation distributes load evenly across all phases and complies with grid operator requirements in Poland for systems above approximately 5 kW. ### What warranty does the Growatt MOD 7~15KTL3-X2 inverter carry? The manufacturer provides a standard 10-year warranty on inverters in the MOD 7~15KTL3-X2 series. Many Polish distributors offer the option to extend this warranty on commercial terms. Before purchasing, it is worth verifying that warranty service is handled by a local service center, which significantly reduces turnaround time in the event of a repair. ### Do the two independent MPPTs in the Growatt MOD 7~15KTL3-X2 really make a difference on a dual-pitch roof? Yes, this is one of the key advantages of the series. The two independent MPPT inputs allow string arrays facing different orientations - for example, south and east, or south and west - to be connected as separate inputs, each tracked at its own individual maximum power point. As a result, energy losses caused by differing irradiance angles throughout the day are significantly lower compared to a single-MPPT inverter. ### What efficiency does the Growatt MOD 7~15KTL3-X2 achieve and what does that mean in practice? The series achieves a peak efficiency of 98.6% and a high weighted European efficiency, meaning it performs well not only at full irradiance but also under the variable partial-load conditions typical of a real day. The transformerless design minimizes thermal losses. In practice, this translates into higher annual energy yields compared to older or less efficient models. ### How does system monitoring work with the Growatt MOD 7~15KTL3-X2 inverter? The inverter features a built-in RS-485 port for service communication. Internet connectivity can be added via an optional Wi-Fi or Ethernet datalogger module, enabling real-time production monitoring through the Growatt ShinePhone mobile app or the ShineServer web platform. Available data includes instantaneous power output, daily and monthly generation history, alarms, and PV string diagnostics. ### Is Growatt a reliable inverter brand, and should I be concerned about the absence of a Tier 1 rating? Growatt is one of the largest inverter manufacturers in the world, headquartered in China, with an extensive service and distribution network in Poland. The Tier 1 designation applies primarily to PV module manufacturers, not inverter manufacturers, so its absence carries no implication of lower quality. Growatt inverters comply with European grid-connection standards and hold all required certifications, which is a prerequisite for grid approval by network operators in Poland. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/mod-7-15ktl3-x2-pro-datasheet-en-202411-ea9be050342f.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Growatt MOD 10KTL3-X](https://comparepv.com/inverter/growatt-mod-10ktl3-x) | 10 kW | 98.1% | 2 | 14.0 kg | Similar on paper | | [Sungrow SG10KTL-M](https://comparepv.com/inverter/sungrow-sg10ktl-m) | 10 kW | 98.1% | 2 | 20.0 kg | 5.4 kg heavier | | [Sungrow SG10RT-20](https://comparepv.com/inverter/sungrow-sg10rt-20) | 10 kW | 98.1% | 2 | 17.0 kg | 2.4 kg heavier | | [SOFAR 11KTLX-G3](https://comparepv.com/inverter/sofar-solar-sofar-11ktlx-g3) | 10 kW | 98.0% | 2 | 18.0 kg | 3.4 kg heavier | | [SOFAR 10KTLX-G3-A](https://comparepv.com/inverter/sofar-solar-sofar-10ktlx-g3-a) | 10 kW | 98.0% | 2 | 18.0 kg | 3.4 kg heavier | | [SMA Solar STP10.0-3AV-40](https://comparepv.com/inverter/sma-solar-stp10-0-3av-40) | 10 kW | 98.0% | 2 | 20.5 kg | 5.9 kg heavier | | [GoodWe GW10KN-DT](https://comparepv.com/inverter/goodwe-gw10kn-dt) | 10 kW | 98.0% | 2 | 24.0 kg | 9.4 kg heavier | | [Sungrow SG7.0RT](https://comparepv.com/inverter/sungrow-sg7-0rt) | 10 kW | 97.9% | 2 | 18.0 kg | 3.4 kg heavier | --- Source: https://comparepv.com/inverter/growatt-mod-10ktl3-x2-pro