--- title: "Sungrow SG10RS Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Sungrow SG10RS 10 kW grid-tie inverter. Specs: 97.4% European efficiency, 3 MPPT, 600 V max DC input, 19.0 kg." source: "https://comparepv.com/inverter/sungrow-sg10rs" updated: 2026-01-16 --- # Sungrow SG10RS ## Identity - **Manufacturer:** Sungrow - **Model:** SG10RS - **Series:** SG8.0/9.0/10RS - **Rated AC power:** 10 kW - **Type:** Grid-tie - **Phases:** Single-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 | 97.4% | 97.6% | Typical | 131 | | MPPT trackers | 3 | 2 | Strong - top 13% | 6 | | Max DC input voltage | 600 V | 1000 V | Weak - bottom 24% | 161 | | Weight per kW | 1.9 | 2.3 | Typical | 82 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 10 kW - **Max apparent power:** 10.00 kVA - **Phases:** Single-phase - **Nominal AC voltage:** 230 V - **Max AC current:** 45.5 A - **Grid frequency:** 50 Hz - **Power factor:** > 0.99 at rated power; adjustable 0.8 leading to 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC input power:** 15.00 kW - **Max DC voltage:** 600 V - **MPPT voltage range:** 40 to 560 V - **Start-up voltage:** 50 V - **MPPT trackers:** 3 - **Max input current per MPPT:** 16.0 A - **Max short-circuit current per MPPT:** 20.0 A ### Efficiency - **European efficiency:** 97.4 % - **Max efficiency:** 97.8 % ### Physical - **Dimensions:** 340 × 490 × 170 mm - **Weight:** 19.0 kg - **Enclosure:** IP65 - **Cooling:** natural - **Operating temperature:** -25 to 60 °C - **Max humidity:** 100 % - **Max altitude:** 4000 m ### Connectivity and protection - **Interfaces:** Wi-Fi, Ethernet, Display - **Protocols:** Ethernet, WLAN, RS485, DI (Ripple control & DRM) - **Protection:** AFCI, DC switch, Surge protection ### Warranty and certificates - **Certifications:** IEC/EN 62109-1/2, IEC/EN 62116, IEC/EN 61727, IEC/EN 61000-6-2/3, AS/NZS 4777.2, ABNT NBR 16149, ABNT NBR 16150, G99 ### Pros - **3 Independent MPPTs in the Single-Phase Class** - The series features 3 independent MPPT trackers across the 8-10 kW single-phase range, giving it an edge over many competitors - for example, the Fronius Primo G2 10 kW offers only 2 MPPTs. This allows optimal harvesting from roof sections with different azimuths or tilt angles without the mismatch losses that arise from combining strings on a shared input. - **97.3% European Efficiency** - A European efficiency of 97.3% - with a peak efficiency of 97.8% - places the series at the top of the single-phase 8-10 kW inverter segment. By comparison, the Fronius Primo 10 kW achieves a European efficiency of ~97.0%; under typical Polish irradiance conditions (low sun angles, variable cloud cover) this difference translates into measurably higher annual energy yield. - **Passive Cooling with No Derating Below 45°C** - The fanless design eliminates the risk of mechanical fan failure and reduces acoustic noise. The inverter does not throttle output power below an ambient temperature of 45°C - in the Polish climate, where summer temperatures rarely exceed 35°C, this ensures full-rated operation throughout the entire generation season with zero derating losses. - **Built-in AFCI, Type II DC+AC SPD, and C5 Corrosion Class** - Standard integration of arc-fault circuit interruption (AFCI) protection along with Type II surge protection devices (SPDs) on both the DC and AC sides eliminates the need to purchase and install these components separately, reducing the overall system BoS cost. The C5 corrosion rating permits installation in environments with elevated humidity or airborne pollutants. - **10-Year Warranty and iSolarCloud Monitoring** - The standard 10-year warranty - backed by an official Sungrow document dated 2021 - exceeds the 5-year base warranties offered by many competitors, including SMA Sunny Boy and SolarEdge. The iSolarCloud platform refreshes data every 10 seconds, supports connectivity via Wi-Fi or Ethernet, and enables remote diagnostics, reducing operations and maintenance costs over the system's lifetime. ### Cons - **600 V DC Input Voltage Limit** - The SG8-10RS series supports a maximum DC input voltage of 600 V, whereas competing models in the same power class - such as the Huawei SUN2000-10KTL-M1 (1,100 V DC) and the SMA Sunny Boy 10.0 (1,000 V DC) - accommodate longer strings. This constrains the number of modules per string and can increase wiring costs on larger rooftops that require a higher number of parallel string connections. ## About this series The Sungrow SG8.0/9.0/10RS series are grid-tie string inverters designed for single-phase installations, where high energy production and flexible string design are key. The use of **three independent MPPTs** facilitates optimising yields across different roof orientations (e.g., east-west) and partial shading conditions-each string can operate at its optimal point. In practice, this supports high **European efficiency**, meaning truly good performance in typical operating conditions in Poland, not just in ideal laboratory settings. The intelligent management also helps: the iSolarCloud platform provides real-time monitoring, alarms, and diagnostics, while communication via **Wi-Fi or Ethernet** simplifies commissioning and remote service. The series prioritises safety through built-in protective features (including limiting effects of electric arcs and surges) and resistance to harsh environmental conditions. This is an excellent choice for demanding residential installations and small commercial properties, where stability and system control are essential. ## Questions ### What is the purpose of the 3 independent MPPTs in the Sungrow SG8.0/9.0/10RS, and when does this configuration make sense? Three independent MPPT trackers allow strings of panels with different orientations or tilt angles to be connected and optimized separately. This is particularly beneficial on east-west roofs or installations with partial shading - each input channel operates at its own optimal power point, resulting in significantly higher total energy yield compared to a single shared MPPT. ### What warranty is offered on the Sungrow SG10RS inverter (and the 8 kW and 9 kW variants)? Sungrow's standard manufacturer warranty for single- and three-phase inverters up to 20 kW in Poland is 10 years. Sungrow maintains a local representation in Poland, ensuring real in-country service support without the need to ship the unit abroad. The warranty covers material and manufacturing defects; detailed terms are governed by the Sungrow Limited Warranty available from authorized distributors. ### How many panels can be connected to the Sungrow SG10RS, and what is the maximum DC input voltage? The SG10RS supports a maximum input power of 15 kWp (as recommended by the manufacturer). The maximum DC voltage is 600 V, and the MPPT operating voltage range is 40-560 V. With typical 400-430 Wp modules, this usually translates to 4-5 modules per string. The three independent MPPT inputs allow three separate strings to be connected simultaneously. ### Will the Sungrow SG8.0/9.0/10RS perform reliably in the Polish climate - including frost and variable irradiance conditions? Yes. The RS series carries an IP65 ingress protection rating and C5 corrosion resistance classification, making it suitable for even demanding environments. The low startup threshold of 40 V DC enables power generation under weak irradiance conditions typical of autumn and winter. The high European efficiency rating (close to 97%) ensures strong performance under the diffuse light and partial-load conditions characteristic of Poland - not only under full irradiance. ### How does system monitoring work for the Sungrow SG10RS inverter via iSolarCloud? The inverter connects to the iSolarCloud platform via its built-in Wi-Fi or Ethernet module. Once configured, the user gains access to a mobile app and web dashboard providing real-time views of generation, consumption, active alarms, and operational history. Remote diagnostics simplify potential service interventions - the installer can assess the device's status without an on-site visit. ### Is the Sungrow SG8.0/9.0/10RS series a safe choice - what built-in protections does it include? The series incorporates an integrated Arc Fault Circuit Interrupter (AFCI), Type II DC and AC surge protection devices (SPDs), and a PID recovery function to protect modules against potential-induced degradation. The IP65-rated enclosure shields the electronics from dust and moisture ingress. The inverter complies with applicable European grid connection standards and holds the certifications required by Polish distribution network operators. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/ds-20220714-sg8-0-9-0-10rs-datasheet-v12-en-gl-7215d77d7534.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Growatt MOD 10KTL3-X2(Pro)](https://comparepv.com/inverter/growatt-mod-10ktl3-x2-pro) | 10 kW | 98.2% | 2 | 14.6 kg | +0.8 pp efficiency, -1 MPPT, 4.4 kg lighter | | [Growatt MOD 10KTL3-X](https://comparepv.com/inverter/growatt-mod-10ktl3-x) | 10 kW | 98.1% | 2 | 14.0 kg | +0.7 pp efficiency, -1 MPPT, 5.0 kg lighter | | [Sungrow SG10KTL-M](https://comparepv.com/inverter/sungrow-sg10ktl-m) | 10 kW | 98.1% | 2 | 20.0 kg | +0.7 pp efficiency, -1 MPPT, 1.0 kg heavier | | [Sungrow SG10RT-20](https://comparepv.com/inverter/sungrow-sg10rt-20) | 10 kW | 98.1% | 2 | 17.0 kg | +0.7 pp efficiency, -1 MPPT, 2.0 kg lighter | | [SOFAR 11KTLX-G3](https://comparepv.com/inverter/sofar-solar-sofar-11ktlx-g3) | 10 kW | 98.0% | 2 | 18.0 kg | +0.6 pp efficiency, -1 MPPT, 1.0 kg lighter | | [SOFAR 10KTLX-G3-A](https://comparepv.com/inverter/sofar-solar-sofar-10ktlx-g3-a) | 10 kW | 98.0% | 2 | 18.0 kg | +0.6 pp efficiency, -1 MPPT, 1.0 kg lighter | | [SMA Solar STP10.0-3AV-40](https://comparepv.com/inverter/sma-solar-stp10-0-3av-40) | 10 kW | 98.0% | 2 | 20.5 kg | +0.6 pp efficiency, -1 MPPT, 1.5 kg heavier | | [GoodWe GW10KN-DT](https://comparepv.com/inverter/goodwe-gw10kn-dt) | 10 kW | 98.0% | 2 | 24.0 kg | +0.6 pp efficiency, -1 MPPT, 5.0 kg heavier | --- Source: https://comparepv.com/inverter/sungrow-sg10rs