Sungrow SG125CX-P2
| Inverter Type | On-grid |
| MPPT | 12 |
| Inverter Power | 125 kW |
| Number of phases | 3 |
| Inverter Type | On-grid |
| MPPT | 12 |
| Inverter Power | 125 kW |
| Number of phases | 3 |
Description
HIGH YIELD 12 MPPTs with max. efficiency 98.5% DC 15A current input, compatiable with over 500W+ PV module Dynamic shading optimization mode. SMART O&M Key component diagnosis and protection Smart IV Curve Diagnosis Grid fault record function, easy for remote O&M. LOWER INVESTMENT Compatible max. 240mm² Al AC cables Drawer-style cable sealing plate support AC cable pre-assembly. PROVEN SAFETY IP66 protection and C5 Anti-corrosion DC Type I+II SPD, AC Type II SPD Support AFCI 2.0 function
Product details
| Series Name | SG125CX-P2 |
| Series AC Power Range (kW) | 125 |
| Model Name | SG125CX-P2 |
| Product Warranty (Years) | 5 |
| Maximum DC Power (kW) | 175 |
| Max. DC Voltage (V) | 1100 |
| Max. DC Current (A) | 360 |
| Strings per single MPPT | 2 |
| DC Inputs | 24 |
| Solar Panel Connectors | Evo2 |
| Maximum AC Power (kW) | 125 |
| Output AC Voltage Range (V) | 320-480 |
| Nominal AC Voltage (V) | 230/400, 240/415 |
| Maximum AC Current (A) | 181.1 |
| Nominal AC Current (A) | 181.1 |
| Frequency Range (Hz) | 45-55/55-65 |
| Frequency (Hz) | 50/60 |
| Power Factor | > 0.99 / 0.8 leading – 0.8 lagging |
| Maximum Efficiency (%) | 98.5 |
| Euro Efficiency (%) | 98.3 |
| Operating Temperature Range (°C) | -30 to +60 |
| Protection Class | IP66 |
| Display | LED, Bluetooth+APP |
| Protection Features | Grid monitoring DC reverse polarity protection AC short circuit protection Leakage current protection Surge protection Ground fault monitoring DC switch PV string current monitoring Arc fault circuit interrupter ( AFCI ) PID recovery function Optimizer compatibility |
Measurements
| Height (mm) | 795 |
| Width (mm) | 1020 |
| Depth (mm) | 360 |
| Weight (kg) | 87 |
Sungrow SG125CX-P2 On-grid Three-Phase PV Inverter
High‑yield on‑grid inverter designed for commercial PV installations, combining extensive MPPT coverage with advanced diagnostic and protection features to maximize energy harvest and reliability in outdoor environments.
Applications and use cases
Designed for outdoor, utility-scale and commercial rooftop PV systems, the SG125CX-P2 supports large arrays with flexible string configurations. Its 12 MPPTs enable dynamic shading compensation and diverse wiring layouts, allowing you to route strings from multiple directions and optimize energy production. The unit is built to endure harsh conditions, making it suitable for ground‑mounted fields, large commercial rooftops and outdoor deployments where remote monitoring and O&M are beneficial.
- 12 independent MPPTs for flexible stringing and shading management
- Compatibility with PV modules over 500 W to maximize array utilization
- Dynamic shading optimization to improve real-world yield
- Outdoor-ready enclosure with IP66 protection and C5 corrosion resistance
- Integrated smart O&M capabilities for remote health checks and fault logging
- AFCI 2.0 arc‑fault protection for enhanced safety in utility-scale plants
Key electrical and performance parameters
The SG125CX-P2 delivers high efficiency and robust electrical performance suitable for large commercial installations. It combines substantial DC input capacity with a strong AC output, designed for three‑phase networks and broad voltage ranges to accommodate diverse grid configurations.
- Rated AC power: 125 kW; Maximum DC power: 175 kW; total DC current up to 360 A across 24 inputs (15 A per input)
- Three‑phase design with nominal AC voltage options of 230/400 V or 240/415 V; Output AC voltage range: 320–480 V
- Maximum AC current: 181.1 A; Grid frequency: 50/60 Hz; Power factor: > 0.99 with ±0.8 leading/lagging capability
- Maximum efficiency: 98.5% (Euro efficiency: 98.3%); MPPTs: 12; Strings per MPPT: 2
- Dimensions and weight: 795 mm (H) × 1020 mm (W) × 360 mm (D); Weight: 87 kg
- DC inputs: 24 string channels; Protection: DC Type I+II SPD and AC Type II SPD
- Display: LED with Bluetooth and App connectivity for local and remote monitoring
- Operating temperature range: -30 to +60 °C
Operating conditions and reliability
Built for outdoor PV deployments, the SG125CX-P2 combines rugged enclosure protection with intelligent diagnostic and monitoring features to support long-term reliability and easy maintenance in harsh environments.
- IP66 protection and C5 anti‑corrosion rating for exterior installations
- Grid fault record function and Smart IV Curve Diagnosis support remote O&M
- Smart O&M components diagnosis and protection to monitor critical parts in real time
- AFCI 2.0 function to detect and mitigate arc faults
- Compact, drawer-style cable sealing plate and pre‑assembled AC cables for reliable, tidy installations
- Designed for wide operating temperatures and outdoor exposure with robust protection features
For full technical details, refer to the attached specification PDF. It provides comprehensive data and wiring diagrams to support detailed system design and integration.
