--- title: "Growatt MID 30KTL3-X2 (Pro.E) Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Growatt MID 30KTL3-X2 (Pro.E) 30 kW grid-tie inverter. Specs: 98.6% European efficiency, 3 MPPT, 1100 V max DC input, 24.0 kg, 5 yrs warranty." source: "https://comparepv.com/inverter/growatt-mid-30ktl3-x2-pro-e" updated: 2026-01-16 --- # Growatt MID 30KTL3-X2 (Pro.E) ## Identity - **Manufacturer:** Growatt - **Model:** MID 30KTL3-X2 (Pro.E) - **Series:** MID KTL3-X2 - **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 | 98.6% | 98.0% | Strong - top 2% | 1 | | MPPT trackers | 3 | 2 | Strong - top 23% | 22 | | Max DC input voltage | 1100 V | 1000 V | Strong - top 21% | 1 | | Weight per kW | 0.8 | 1.6 | Strong - top 3% | 6 | | Warranty | 5 yrs | 5 yrs | Typical | 25 | ## Specification ### AC output - **Rated AC power:** 30 kW - **Max apparent power:** 33.30 kVA - **Phases:** Three-phase - **Nominal AC voltage:** 400 V - **Max AC current:** 50.5 A - **Grid frequency:** 50 Hz - **Power factor:** 0.8 leading to 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 - **MPPT trackers:** 3 - **Max input current per MPPT:** 40.0 A ### Efficiency - **European efficiency:** 98.6 % - **Max efficiency:** 98.8 % ### Physical - **Dimensions:** 415 × 528 × 225 mm - **Weight:** 24.0 kg - **Enclosure:** IP66 - **Cooling:** forced-air - **Operating temperature:** -30 to 60 °C - **Max humidity:** 100 % - **Max altitude:** 4000 m ### Connectivity and protection - **Interfaces:** Wi-Fi, Display - **Protocols:** USB, RS485, WiFi, GPRS (optional), 4G (optional) - **Protection:** DC switch, Surge protection ### Warranty and certificates - **Warranty:** 5 years - **Certifications:** CQC ### Pros - **The EU's operational efficiency is approximately 98.5%.** - The European efficiency of the MID KTL3-X2 series is approximately 98.5%, with a peak of 98.8%, placing it among the top inverters in the 30-50 kW commercial class. For a 50 kWp installation, the difference of 0.3 percentage points compared to the median of the segment (approximately 98.2%) translates to several hundred kWh of additional annual energy production. - **4 independent MPPT + DC 1100 V** - Four independent MPPT (Maximum Power Point Tracking) inverters with a maximum DC voltage of 1100 V enable flexible design of installations on multi-pitched roofs or roofs with partial shading. Each tracker operates independently, minimizing losses caused by mismatches in voltage or current across different orientations or roof sections. - **Built-in string monitoring and SPD II** - The series is standardly equipped with intelligent string monitoring (ISD), second-level SPD surge protection on both DC and AC sides, and optional AFCI, which meets the requirements of insurers and IEC standards for commercial buildings. Remote diagnostics allows for locating the faulty string without requiring on-site service. - **Working in extreme conditions: -25-60°C / 4000 m** - The declared operating temperature range of -25°C to +60°C, along with the ability to operate at altitudes up to 4000 meters above sea level without derating, makes this inverter suitable for both industrial halls without air conditioning, as well as for mountain or continental climate installations. - **Multi-channel communication and the ShinePhone application** - The availability of RS485, USB, WiFi, GPRS, and RF interfaces allows for integration with SCADA, BMS, or other communication gateways without the need for additional converters. Remote monitoring via the ShinePhone app is free, which reduces operating costs compared to solutions that require paid cloud services (e.g., SolarEdge mySolarEdge). ### Cons - **Not classified as a Tier 1 bankable entity by BNEF** - Growatt does not appear on the list of bankable manufacturers according to BNEF (confirmed by the manufacturer: tier\_1\_bankable: false). In projects financed by banks or EU funds, this may require additional contractual safeguards or exclude the product line from the list of approved products of the financing institutions. - **The defect rate is higher than the premium rate.** - Independent market analyses indicate that the failure rate for current Growatt models is between 2-5%, while premium brands (SMA, Fronius, Huawei) have rates of 1-3%. Furthermore, the average warranty service time is 23-40 days, which can translate into significant production losses in commercial installations. ## About this series Growatt MID KTL3-X2 are three-phase grid-tie inverters designed for commercial and industrial installations where reliable operation, fast diagnostics, and high yield under real-world conditions are essential. Thanks to multiple MPPTs, it's easier to divide PV strings across different roof sections, orientations, and shading zones - the inverter independently tracks the maximum power point, improving energy production when some modules operate under less favorable conditions. It’s worth noting the high European efficiency, which better reflects performance during typical daily operation than "peak" efficiency - translating to higher annual yield without adding panels. Built-in safety features and DC/AC overvoltage protection support reliability in demanding installations. Daily operation is aided by online monitoring and intelligent string tracking - remote monitoring via the app and the ability to integrate communication (e.g., wireless or wired modules) streamline service. This is the series for businesses, warehouses, rooftop farms, and larger systems that need to operate predictably and be simple to maintain. ## Questions ### How many MPPT trackers does the Growatt MID KTL3-X2 inverter have, and why does it matter? The MID KTL3-X2 series (30-50 kW) is equipped with 3 to 4 independent MPPT trackers depending on the power model. This allows string connections from roof sections with different orientations or tilt angles without sacrificing yield - each tracker independently seeks its own maximum power point. In warehouses and commercial buildings with multi-pitch roofs or partial shading, this translates directly into higher annual energy generation. ### What is the efficiency of the Growatt MID KTL3-X2 inverter, and is it competitive for a commercial installation? The MID KTL3-X2 series achieves a peak efficiency of up to 98.8%, with a weighted European efficiency of approximately 98.5%. These are strong figures within the 30-50 kW commercial inverter class. European efficiency is the more meaningful metric when estimating annual yield, as it accounts for part-load operation - a condition that is typical under the overcast irradiance conditions common in the Polish climate. ### What warranty is offered on the Growatt MID KTL3-X2 series inverters? The standard manufacturer's warranty for the MID KTL3-X2 series is 5 years. Growatt offers an optional extension to 10 years through the purchase of an extended service warranty. It is advisable to confirm the exact terms with the local Polish distributor before purchase, as response times and the scope of service coverage may vary depending on the commercial agreement in place. ### Can the Growatt MID KTL3-X2 inverter be installed outdoors? Yes, the MID KTL3-X2 series carries an IP66 ingress protection rating, meaning it is fully protected against dust ingress and powerful water jets. The inverter can be wall-mounted on the exterior of an industrial building or warehouse, which reduces DC cabling runs and simplifies ventilation. However, prolonged direct solar exposure of the enclosure should be avoided, as elevated ambient temperatures can increase operating temperature and trigger thermal derating. ### How can I monitor a system based on the Growatt MID KTL3-X2, and is there a Polish-language app available? MID KTL3-X2 series inverters support communication via Wi-Fi, Ethernet, and RS485, enabling integration with the Growatt ShineServer cloud platform and the ShinePhone mobile application, which is available in Polish. The app provides remote production monitoring, service alerts, and per-string performance visibility. For commercial installations, the Modbus RTU protocol is also supported, allowing integration with external BMS or SCADA systems. ### Is Growatt a reliable inverter manufacturer - given that it is not always Tier 1 rated, is the MID KTL3-X2 a sound investment? Growatt is one of the largest inverter manufacturers in the world by shipped volume and has been operating for over 20 years, although it does not appear on Tier 1 lists in all bankability classifications. The MID KTL3-X2 series is deployed in commercial installations across Europe and holds the required certifications, including VDE and CE. The key factors to evaluate when making a purchasing decision are: availability of authorized service support in Poland, warranty terms and conditions, and references from the local distributor. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/mid-25-30ktl3-x2-pro-e-caf5dde0a9d8.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Growatt MID 30KTL3-X](https://comparepv.com/inverter/growatt-mid-30ktl3-x) | 30 kW | 98.5% | | 29.5 kg | 5.5 kg heavier | | [Growatt MID 30KTL3-X2-1](https://comparepv.com/inverter/growatt-mid-30ktl3-x2-1) | 30 kW | 98.5% | | 31.0 kg | 7.0 kg heavier | | [GoodWe GW30K-MT](https://comparepv.com/inverter/goodwe-gw30k-mt) | 30 kW | 98.5% | | 40.0 kg | 16.0 kg heavier | | [Huawei SUN2000-33KTL-A](https://comparepv.com/inverter/huawei-sun2000-33ktl-a) | 30 kW | 98.4% | 4 | 62.0 kg | +1 MPPT, 38.0 kg heavier | | [Huawei SUN2000-30KTL-M3](https://comparepv.com/inverter/huawei-sun2000-30ktl-m3) | 30 kW | 98.4% | 4 | 43.0 kg | +1 MPPT, 19.0 kg heavier | | [Sungrow SG30T-P2-CN](https://comparepv.com/inverter/sungrow-sg30t-p2-cn) | 30 kW | 98.3% | 3 | 25.0 kg | 1.0 kg heavier | | [Sungrow SG30CX-P2](https://comparepv.com/inverter/sungrow-sg30cx-p2) | 30 kW | 98.3% | 3 | 38.0 kg | 14.0 kg heavier | | [SOFAR 30KTLX-G3](https://comparepv.com/inverter/sofar-solar-sofar-30ktlx-g3) | 30 kW | 98.2% | | 36.0 kg | -0.4 pp efficiency, 12.0 kg heavier | --- Source: https://comparepv.com/inverter/growatt-mid-30ktl3-x2-pro-e