| Brand | Sungrow |
| Part Number | SG125CX-P2 |
| Production Series | — |
| Input (DC) | Input (DC) |
| Recommended max. PV input power | 175 kW |
| Max. PV input voltage | 1100 V |
| Min. PV input voltage / Startup input voltage | 180 V / 200 V |
| Rated PV input voltage | 600 V |
| MPPT voltage range | 180 V – 1000 V |
| No. of independent MPP inputs | 12 |
| No. of PV strings per MPPT | 2 |
| Max. PV input current | 360 A ( 30 A * 12 ) |
| Max. DC short-circuit current | 480 A ( 40 A * 12 ) |
| Max. current for DC connector | 30 A |
| Output (AC) | Output (AC) |
| Rated AC output power | 125 kW |
| Max. AC output apparent power | 125 kVA |
| Max. AC output current | 181.1 A |
| Rated AC output current | 181.1 A |
| Rated AC voltage | 3 / N / PE, 220 V / 380 V; 230 V / 400 V |
| AC voltage range | 320 V – 480 V |
| Rated grid frequency | 50 Hz / 60 Hz |
| Grid frequency range | 45 Hz – 55 Hz / 55 Hz – 65 Hz |
| Harmonic ( THD ) | < 3 % ( at r ated power ) |
| Power factor at rated power / Adjustable power factor | > 0.99 / 0.8 leading – 0.8 lagging |
| Feed-in phases / AC connection | 3 / 3-N-PE |
| Efficiency | Efficiency |
| Max. efficiency / European efficiency | 98.5% / 98.3% |
| Protection & Function | Protection & Function |
| Grid monitoring | Yes |
| DC reverse polarity protection | Yes |
| AC short-circuit protection | Yes |
| Leakage current protection | Yes |
| Surge protection | DC Type I + II / A C Type II |
| Ground fault monitoring | Yes |
| DC switch | Yes |
| PV string current monitoring | Yes |
| Intelligent DC arc interrupter | Yes |
| Arc fault circuit interrupter (AFCI) | Yes |
| PID recovery function | Optional |
| RSD compatibility | Optional |
| General Data | General Data |
| Dimensions ( W * H * D ) | 1020 mm * 795 mm * 360 mm |
| Weight | ≤ 93 kg |
| Mounting method | Wall-mounting bracket |
| Topology | Transformerless |
| Degree of protection | IP66 |
| Night power consumption | < 5 W |
| Corrosion | C5 |
| Operating ambient temperature range | -30 ℃ – 60 ℃ |
| Allowable relative humidity range (non-condensing) | 0 % – 100 % |
| Cooling method | Smart forced air cooling |
| Max. operating altitude | 4000 m |
| Display | LED, Bluetooth+APP |
| Communication | RS485 / WLAN ( optional ) / Ethernet ( optional ) |
| DC connection type | EVO2 ( Max. 6 mm² ) |
| AC connection type | OT / DT terminal ( Max. 240 mm² ) |
| AC cable specification | Outside diameter 30 mm – 60 mm |
| Grid compliance | IEC 62109-1, EN/IEC 61000-6-1/2/3/4, IEC 61727, IEC 62116, EN 50549-1/2, UTE C15-712-1, VDE V 0126-1-1, VDE-AR-N 4105:2018, VFR 2019, NC RfG, G99, UNE 217002, NTS, CEI 0-21 2019,CEI0-16 2019, NRS-097-2-1, IEC 63027 |
| Grid support | Q at night function, LVRT, HVRT, active & reactive power control and power ramp rate controlramp rate control |
| Other Specifications | · 12 MPPTs with max. efficiency 98.5%
· DC 15A current input, compatible with over 500W+ PV module · Dynamic shading optimization mode · Compatible max. 240mm2 Al AC cables · Drawer-style cable sealing plate support AC cable pre-assembly · Key component diagnosis and protection · Smart IV Curve Diagnosis · Grid fault record function, easy for remote O&M · IP66 protection and C5 Anti-corrosion · DC Type I+II SPD, AC Type II SPD · Support AFCI 2.0 function |
String Inverter SG125CX-P2
The Sungrow SG125CX-P2 is a high-performance string inverter built for large commercial and utility-scale solar installations that demand maximum output and long-term reliability. With 12 independent MPPTs and support for high input currents (up to 15A per tracker), it handles even the most complex roof layouts or ground-mount arrays effortlessly—capturing more energy from every panel, especially when using today’s powerful 500W+ modules. This smart design, combined with features like dynamic shading optimization and global PowerMax tracking, can boost your overall energy yield significantly, even in tricky conditions. It delivers top-tier efficiency (up to 98.5%) while keeping things tough and weatherproof: the IP66 rating and C5 anti-corrosion protection mean it stands up to dust, rain, salt spray, and extreme environments without missing a beat.
On the smart side, enjoy built-in diagnostics, remote monitoring through iSolarCloud, fault logging, PID recovery, and other advanced tools that make maintenance easier, reduce downtime, and help keep your system running at peak performance. Scalable, cost-effective, and proven in demanding projects, the SG125CX-P2 gives you powerful, dependable solar conversion that helps maximize ROI on big installations.
Perfect for businesses and developers looking for a no-compromise solution that delivers more power, lasts longer, and keeps operations simple.
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