--- title: "Sungrow SG30CX-P2 Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Sungrow SG30CX-P2 30 kW grid-tie inverter. Specs: 98.3% European efficiency, 3 MPPT, 1100 V max DC input, 38.0 kg." source: "https://comparepv.com/inverter/sungrow-sg30cx-p2" updated: 2026-01-16 --- # Sungrow SG30CX-P2 ## Identity - **Manufacturer:** Sungrow - **Model:** SG30CX-P2 - **Series:** SG25/30/33CX-P2 - **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 | 98.3% | 98.0% | Strong - top 16% | 22 | | MPPT trackers | 3 | 2 | Strong - top 23% | 22 | | Max DC input voltage | 1100 V | 1000 V | Strong - top 21% | 1 | | Weight per kW | 1.3 | 1.6 | Typical | 68 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 30 kW - **Max apparent power:** 33.00 kVA - **Phases:** Three-phase - **Nominal AC voltage:** 400 V - **Max AC current:** 50.2 A - **Grid frequency:** 50 Hz - **Power factor:** >0.99 (rated) / 0.8 leading – 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC input power:** 42.00 kW - **Max DC voltage:** 1100 V - **MPPT voltage range:** 160 to 1000 V - **Start-up voltage:** 200 V - **MPPT trackers:** 3 - **Max input current per MPPT:** 30.0 A - **Max short-circuit current per MPPT:** 40.0 A ### Efficiency - **European efficiency:** 98.3 % - **Max efficiency:** 98.5 % ### Physical - **Dimensions:** 575 × 645 × 245 mm - **Weight:** 38.0 kg - **Enclosure:** IP66 - **Cooling:** forced-air - **Operating temperature:** -30 to 60 °C - **Max humidity:** 100 % - **Max altitude:** 4000 m ### Connectivity and protection - **Interfaces:** Bluetooth, Display - **Protocols:** RS485, WLAN (optional), Ethernet (optional), Bluetooth (via app) - **Protection:** AFCI, DC switch, Surge protection ### Warranty and certificates - **Certifications:** IEC 62109, IEC 61727, IEC 62116, VDE-AR-N 4105:2018, IEC 61000-6-3, EN 50549-1, CEI 0-21 2019, CEI 0-16 2019, VDE 0126-1-1/A1 VFR 2019, UTE C15-712-1:2013, UNE 206007-1/RD 1699, UNE 217002, G99, IEC 63027 ### Pros - **3 Independent MPPTs with 30 A Input Current** - Each of the 3 trackers supports 2 strings with an input current of up to 30 A, ensuring full compatibility with modules ≥500 Wp (bifacial, half-cut) and enabling independent optimization across different roof orientations, uneven string lengths, or partial shading - without the need for power optimizers. - **Peak Efficiency up to 98.5%** - The SG30CX-P2 achieves a maximum efficiency of 98.5%, the SG25CX-P2 reaches 98.4%, and the SG33CX-P2 reaches 98.2%. These figures place the series at the top of the commercial 25-33 kW inverter segment, translating - under Polish climatic conditions with a high proportion of near-STC irradiance hours - into measurably lower annual conversion losses. - **IP66 Rating + C5 Corrosion Resistance Certification** - The enclosure meets IP66 protection class (full dust-tightness and resistance to water jets) and corrosivity category C5 per EN ISO 12944 (industrial and coastal environments with high humidity). This allows outdoor installation without an additional enclosure cabinet, reducing both cost and installation complexity at industrial sites. - **AFCI 2.0 - Arc Fault Detection** - The integrated second-generation Arc Fault Circuit Interruption function continuously monitors DC strings and automatically disconnects the circuit upon detection of a hazardous arc fault. This capability satisfies the requirements of a growing number of insurance underwriters for commercial PV installations and enhances fire safety without the need for external AFCI devices. - **Market Leader - #1 BNEF Bankability 2025** - Sungrow ranks first in the BloombergNEF bankability index for 6 consecutive years (through H1 2025) and holds approximately 25% of global PV inverter shipments per Wood Mackenzie H1 2025. For investors and project financiers, this translates into minimal warranty risk and confidence in spare parts availability and service support throughout the full project debt repayment period. ### Cons - **No Native Energy Storage Support** - The SG25/30/33CX-P2 series are grid-tie inverters without a built-in bidirectional inverter stage. Adding a battery at a later stage requires installing a separate hybrid inverter or an external EMS, incurring additional cost and project complexity. In the ~25 kW segment, hybrid alternatives already exist (e.g., Sungrow SH25T, Huawei SUN2000-25KTL-M5 with backup) that allow storage retrofit without replacing the entire unit. ## About this series The Sungrow SG25/30/33CX-P2 series are three-phase grid-tie inverters designed for commercial and small industrial applications, where reliable operation and flexible string design are key. Their main advantage is **3 independent MPPTs**, which help achieve high yields regardless of panel orientations, uneven string selection, or seasonal shading - each tracker can optimise the operation of its own PV part. In practice, you'll also appreciate **exceptional efficiency levels, European standard**, resulting in lower losses in typical Polish installation operating conditions and more predictable annual energy production. The series supports **local and remote monitoring** - depending on the configuration, communication is possible via WiFi or Ethernet, along with integration with a monitoring platform/application for viewing parameters and alarms. Another highlight is the **IP66-rated enclosure**, facilitating outdoor mounting. These are not hybrid inverters, so they are not designed for direct integration with energy storage systems. For installers, compliance with connection requirements (e.g., EN 50549) and the standard warranty with extension option are also important. ## Questions ### Are the Sungrow SG25/30/33CX-P2 inverters suitable for installations with multiple roof orientations or several roof pitches? Yes. The SG25/30/33CX-P2 series is equipped with 3 independent MPPT trackers, each supporting up to 2 strings (6 string inputs in total). This allows panels facing south, east, and west to be connected to separate MPPT inputs without sacrificing yield due to uneven irradiance. The configuration also performs well in partial shading conditions or where strings differ in length. ### What warranty is provided with the Sungrow SG25/30/33CX-P2 series inverters? The standard manufacturer's warranty is 5 years, with options to extend to 10, 15, or 20 years depending on the distributor's offer or Sungrow's service package. Sungrow is a Tier 1 manufacturer with a global service network, which in practice means reliable after-sales support throughout Poland and the rest of Europe. ### Is the Sungrow SG33CX-P2 inverter compatible with energy storage systems? No. The SG25/30/33CX-P2 series consists of grid-tie inverters that do not natively support batteries or energy storage systems. If you plan to include battery storage in your installation, a separate hybrid inverter or a dedicated energy storage system will be required. The CX-P2 series is optimized for maximum energy export to the grid. ### What is the European efficiency of the Sungrow SG25/30/33CX-P2 inverters, and what does it mean in practice? The European efficiency of the series is approximately 98.2%, with a peak efficiency of up to 98.5%. European efficiency is weighted according to climatic conditions typical of Europe - including extended operation at partial load - and therefore reflects real-world conversion losses in Polish installations more accurately than peak efficiency alone. This high value translates to lower thermal losses and more predictable annual energy yield. ### How can the SG30CX-P2 inverter be monitored remotely? The inverter supports communication via Wi-Fi or Ethernet, enabling integration with Sungrow's iSolarCloud monitoring platform. Through the mobile app or web portal, users can track real-time generation, historical yield data, alarms, and diagnostics. Local parameter readout is also available directly from the device display or via the Modbus protocol. ### Can the Sungrow SG25/30/33CX-P2 inverters operate in the low temperatures of a Polish winter? Yes. The SG25/30/33CX-P2 series is rated for operation across a temperature range of -30 °C to +60 °C. The IP66 enclosure provides full protection against dust ingress and powerful water jets, while the C5 anti-corrosion rating allows outdoor mounting without an additional enclosure - even under the harsh atmospheric conditions typical of the Polish climate. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/ds-20240709-sg25-30-33cx-p2-datasheet-v5-en-1-29c03d3df09d.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 | 14.0 kg lighter | | [Growatt MID 30KTL3-X](https://comparepv.com/inverter/growatt-mid-30ktl3-x) | 30 kW | 98.5% | | 29.5 kg | 8.5 kg lighter | | [Growatt MID 30KTL3-X2-1](https://comparepv.com/inverter/growatt-mid-30ktl3-x2-1) | 30 kW | 98.5% | | 31.0 kg | 7.0 kg lighter | | [GoodWe GW30K-MT](https://comparepv.com/inverter/goodwe-gw30k-mt) | 30 kW | 98.5% | | 40.0 kg | 2.0 kg heavier | | [Huawei SUN2000-33KTL-A](https://comparepv.com/inverter/huawei-sun2000-33ktl-a) | 30 kW | 98.4% | 4 | 62.0 kg | +1 MPPT, 24.0 kg heavier | | [Huawei SUN2000-30KTL-M3](https://comparepv.com/inverter/huawei-sun2000-30ktl-m3) | 30 kW | 98.4% | 4 | 43.0 kg | +1 MPPT, 5.0 kg heavier | | [Sungrow SG30T-P2-CN](https://comparepv.com/inverter/sungrow-sg30t-p2-cn) | 30 kW | 98.3% | 3 | 25.0 kg | 13.0 kg lighter | | [SOFAR 30KTLX-G3](https://comparepv.com/inverter/sofar-solar-sofar-30ktlx-g3) | 30 kW | 98.2% | | 36.0 kg | 2.0 kg lighter | --- Source: https://comparepv.com/inverter/sungrow-sg30cx-p2