--- title: "SOFAR 30KTLX-G3 Grid-tie Inverter: Specs & Prices | ComparePV" description: "SOFAR 30KTLX-G3 30 kW grid-tie inverter: 4 shop offers from 4 874.99 zł. Specs: 98.2% European efficiency, 1100 V max DC input, 36.0 kg." source: "https://comparepv.com/inverter/sofar-solar-sofar-30ktlx-g3" updated: 2026-10-11 --- # SOFAR 30KTLX-G3 ## Identity - **Manufacturer:** Sofar Solar - **Model:** SOFAR 30KTLX-G3 - **Series:** SOFAR 25-50KTLX-G3 - **Rated AC power:** 30 kW - **Type:** Grid-tie - **Phases:** Three-phase ## Price offers Prices are the figure each shop printed, on that shop's side of VAT. | Shop | Market | Price | Per kW | Availability | Last read | | --- | --- | --- | --- | --- | --- | | [7Sun](https://comparepv.com/go/228194) | Poland | 4 874.99 zł incl. VAT | 162.50 zł/kW | In stock | Last read 11 Oct 02:36 | | [Sklep Soltech](https://comparepv.com/go/5961) | Poland | 4 147.94 zł net | 138.26 zł/kW | Not stated | Last read 11 Oct 04:21 | | [ensun.sk](https://comparepv.com/go/471185) | Slovakia | 1 300.79 € incl. VAT | 43.36 €/kW | In stock | Last read 11 Oct 00:49 | | [www.fotovoltaika-eshop.sk](https://comparepv.com/go/93909) | Slovakia | 2 306.25 € incl. VAT | 76.88 €/kW | In stock | Last read 11 Oct 03:03 | ## 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 | 98.2% | 98.0% | Typical | 36 | | MPPT trackers | - | 2 | | | | Max DC input voltage | 1100 V | 1000 V | Strong - top 21% | 1 | | Weight per kW | 1.2 | 1.6 | Strong - top 24% | 53 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 30 kW - **Max AC power:** 34.00 kW - **Max apparent power:** 34.00 kVA - **Phases:** Three-phase - **Nominal AC voltage:** 400 V - **Max AC current:** 51.5 A - **Grid frequency:** 50 Hz - **Power factor:** 0.8 leading - 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC voltage:** 1100 V - **MPPT voltage range:** 180 to 1000 V - **Start-up voltage:** 200 V - **Max input current per MPPT:** 40.0 A - **Max short-circuit current per MPPT:** 50.0 A ### Efficiency - **European efficiency:** 98.2 % - **Max efficiency:** 98.6 % ### Physical - **Dimensions:** 480 × 585 × 220 mm - **Weight:** 36.0 kg - **Enclosure:** IP65 - **Cooling:** forced-air - **Operating temperature:** -30 to 60 °C - **Max humidity:** 100 % - **Max altitude:** 4000 m ### Connectivity and protection - **Interfaces:** Wi-Fi, Bluetooth, Display - **Protocols:** RS485, Wi-Fi, Bluetooth (App) - **Protection:** DC switch, Surge protection ### Warranty and certificates - **Certifications:** IEC/EN 61000-6-1/2/3/4, IEC 62116, IEC 61727, IEC 61683, IEC 60068-1/2/14/30, IEC/EN 62109-1/2, G99, VDE-AR-N 4105, VDE V 0126-1-1, EN 50549-1, NRS 097-2-1, UNE 217002-2020 ### Pros - **4 Independent MPPTs with 150% DC Overload** - The series features up to 4 independent MPPTs with a voltage range of 180-1000 V and 2 string inputs per tracker (up to 8 strings total on the 50 kW model). A DC overload capability of up to 150% allows oversizing the PV array without replacing the inverter, reducing LCOE in commercial rooftop designs with partial shading or multiple roof orientations. - **Peak Efficiency Up to 98.8%** - The manufacturer's datasheet specifies a maximum efficiency of 98.80% and a European efficiency of 98.2-98.8% depending on the variant. This is a competitive result in the commercial 25-50 kW class - comparable to the Sungrow SG50CX (~98.7%) and higher than older platforms in this segment (~98.0-98.3%). - **12-Year Warranty as Standard** - The manufacturer provides a 12-year warranty at no additional cost, while Sungrow offers 10 years as standard and Fronius 5-10 years. This 2+ year advantage translates into lower service risk during the first investment cycle and a more favorable CAPEX/TCO ratio for commercial investors. - **Type II DC+AC SPD Included as Standard** - Integrated Type II surge protection devices (SPDs) on both the DC and AC sides eliminate the need for external SPD purchases, typically saving 300-600 PLN per unit on a 50 kW installation. Optional AFCI enables early arc-fault detection - a feature of particular relevance where commercial property insurers impose specific requirements. - **9 Power Variants and Built-In I-V Curve Scanning** - The series spans 9 power classes (25/30/33/36/40/45/50 kW) sharing a common software and communication platform (Wi-Fi + RS485 as standard). The integrated I-V curve scan function enables remote detection of string degradation and module-level faults without additional hardware. ### Cons - **Ethernet Is an Option, Not Standard** - The Ethernet module requires an additional purchase; only Wi-Fi and RS485 are included as standard. Competing commercial platforms such as the Huawei SUN2000-40/50KTL provide an Ethernet port out of the box, which matters when integrating with SCADA systems or managing multiple inverters within a single installation. - **Ranked Below Market Leaders per Wood Mackenzie** - Wood Mackenzie H1 2025 places Sofar Solar in Grade A, but below the Top 5 (Huawei, Sungrow, SMA, Fronius, GoodWe). For projects involving project finance, some lending institutions require equipment exclusively from top-five-ranked manufacturers, which may limit the applicability of this series in larger transactions. ## About this series The SOFAR 25-50KTLX-G3 series are three-phase grid-tie inverters designed for commercial and small industrial installations, where flexible string design and stable operation under varying conditions are essential. Depending on the variant, you receive up to 4 independent MPPTs, facilitating optimizing energy harvests from panels with different orientations, mismatched strings, or partial shading - each string independently tracks its own power point, rather than 'averaging' the performance of the entire array. High European efficiency translates to significantly better energy production in typical operating conditions in Poland, not just in ideal laboratory scenarios. Enhanced safety is also a key feature - SPD type II on both DC and AC sides, along with optional AFCI to help detect dangerous arc faults early. Standard features include a built-in WiFi module and communication (including RS485, optional Ethernet), enabling user-friendly monitoring in portal/app. This is an excellent choice for businesses, rooftop farms, and larger facilities seeking a 12-year warranty and compliance with grid requirements (e.g., NC RfG). ## Questions ### How many MPPT trackers does the SOFAR 25-50KTLX-G3 inverter have, and why does this matter for commercial installations? Depending on the power variant, the SOFAR 25-50KTLX-G3 series features up to 4 independent MPPT trackers. Each MPPT tracks the maximum power point separately, which is practically significant when roof sections have different orientations, unequal string lengths, or when partial shading affects some panels. As a result, energy losses on one tracker do not reduce the output of the others, translating into a measurably higher energy yield in typical rooftop or industrial PV installations. ### What warranty is provided for the SOFAR 25-50KTLX-G3 inverters? The manufacturer provides a standard 12-year warranty covering the entire SOFAR 25-50KTLX-G3 series. This is one of the longest standard warranties in the 25-50 kW commercial inverter class and requires no additional extended-warranty purchase. For installations on commercial premises or rooftop PV plants, this means warranty coverage throughout a significant portion of the PV system's operational lifetime. ### Does the SOFAR 25-50KTLX-G3 comply with Polish and European grid requirements? Yes, the SOFAR 25-50KTLX-G3 series is fully compliant with the NC RfG (Network Code Requirements for Generators), which applies across the entire European Union. The inverter features a built-in energy meter input for active power feed-in control, an integrated grid relay, and all certifications required by Polish distribution system operators (DSOs). The unit can be directly controlled by an external grid protection system. ### What is AFCI, and is it worth selecting the AFCI option on the SOFAR 25-50KTLX-G3 inverter? AFCI (Arc Fault Circuit Interrupter) is a function that detects dangerous arc fault events in the DC circuit before they can cause a fire. In the SOFAR 25-50KTLX-G3 series it is available as an optional feature. For commercial installations with long DC cable runs or in buildings with elevated fire risk, ordering the AFCI option is strongly advisable, as insurers are increasingly requiring this type of protection when underwriting policies for photovoltaic plants. ### How does monitoring work with the SOFAR 25-50KTLX-G3 inverter? The inverter includes a factory-integrated Wi-Fi module that enables connection to the SolarmanPV portal and mobile app at no additional cost. RS485 communication is available as standard, and optional Ethernet connectivity allows integration with BMS or SCADA systems in industrial facilities. Generation data, alarms, and operating parameters are accessible remotely in real time, simplifying fleet management across multiple installations. ### What is the peak efficiency of the SOFAR 25-50KTLX-G3, and what does this mean for annual energy production? The SOFAR 25-50KTLX-G3 series achieves a maximum efficiency of 98.8%. Its high European efficiency - weighted according to real-world operating conditions typical of Central Europe - means the inverter performs effectively under Poland's characteristically variable irradiance, not only at full load. In practice, a higher European efficiency translates into several additional MWh of annual generation compared to lower-cost units with inferior specifications, a factor that is material when calculating return on investment (ROI) and LCOE. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/sofar-25-50ktlx-g3-datasheet-2025-11-20-v2-0-en-int-aa92695c4d89.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 | +0.4 pp efficiency, 12.0 kg lighter | | [Growatt MID 30KTL3-X](https://comparepv.com/inverter/growatt-mid-30ktl3-x) | 30 kW | 98.5% | | 29.5 kg | 6.5 kg lighter | | [Growatt MID 30KTL3-X2-1](https://comparepv.com/inverter/growatt-mid-30ktl3-x2-1) | 30 kW | 98.5% | | 31.0 kg | 5.0 kg lighter | | [GoodWe GW30K-MT](https://comparepv.com/inverter/goodwe-gw30k-mt) | 30 kW | 98.5% | | 40.0 kg | 4.0 kg heavier | | [Huawei SUN2000-33KTL-A](https://comparepv.com/inverter/huawei-sun2000-33ktl-a) | 30 kW | 98.4% | 4 | 62.0 kg | 26.0 kg heavier | | [Huawei SUN2000-30KTL-M3](https://comparepv.com/inverter/huawei-sun2000-30ktl-m3) | 30 kW | 98.4% | 4 | 43.0 kg | 7.0 kg heavier | | [Sungrow SG30T-P2-CN](https://comparepv.com/inverter/sungrow-sg30t-p2-cn) | 30 kW | 98.3% | 3 | 25.0 kg | 11.0 kg lighter | | [Sungrow SG30CX-P2](https://comparepv.com/inverter/sungrow-sg30cx-p2) | 30 kW | 98.3% | 3 | 38.0 kg | 2.0 kg heavier | --- Source: https://comparepv.com/inverter/sofar-solar-sofar-30ktlx-g3