Sungrow 125kW PV Grid-Tie Inverter

Sungrow SG125CX-P2 125kW Grid-Tie Inverter – High-Performance Commercial Solar Solution

The Sungrow SG125CX-P2 125kW Grid-Tie Inverter is a highly efficient, multi-MPPT string inverter designed for large-scale commercial and industrial solar PV installations. With 12 MPPTs, 98.5% efficiency, and advanced smart monitoring features, this inverter ensures maximum energy yield, simplified O&M, and long-term reliability.

🔧 Built with IP66-rated protection, advanced AFCI safety, and global grid compliance for superior performance.

Key Features & Benefits:

☀️ High Energy Yield & Efficiency

• 12 MPPTs for precise energy harvesting across multiple PV strings.
• 98.5% maximum efficiency & 98.3% European efficiency for industry-leading performance.
• Compatible with 500W+ PV modules, making it future-proof for high-power solar panels.
• Dynamic shading optimization mode to enhance output in partial shading conditions.

📡 Smart Operation & Monitoring

• Real-time IV curve scanning & key component diagnosis for predictive maintenance.
• Grid fault recording function for easy remote monitoring and troubleshooting.
• PV string-level monitoring ensures system performance is always at peak levels.

💰 Lower Investment & Simplified Installation

• Compatible with max. 240mm² Al AC cables for cost-effective wiring.
• Drawer-style cable sealing plate for pre-assembled AC cabling, reducing installation time.
• Smart forced air cooling for enhanced thermal management in extreme conditions.

🛡️ Proven Safety & Reliability

• IP66-rated enclosure & C5 anti-corrosion protection for extreme weather resistance.
• DC Type I+II & AC Type II SPD protection, ensuring system longevity.
• Advanced AFCI 2.0 function for superior arc fault detection and prevention.
• PID recovery function for maintaining long-term performance.

Technical Specifications:

🔋 DC Input (PV Side)

• Recommended Max. PV Input Power: 175kW
• Max. PV Input Voltage: 1100V
• Min. PV Input Voltage / Startup Voltage: 180V / 200V
• Rated PV Input Voltage: 600V
• MPPT Voltage Range: 180V – 1000V
• No. of Independent MPPTs: 12
• No. of PV Strings per MPPT: 2
• Max. PV Input Current: 360A (30A * 12 MPPTs)
• Max. DC Short-Circuit Current: 480A (40A * 12 MPPTs)
• Max. Current for DC Connector: 20A

⚡ AC Output (Grid Side)

• Max. AC Output Power: 125kVA
• Rated AC Output Apparent Power: 125kVA
• Max. AC Output Current: 181.1A
• Rated AC Output Current: 181.1A
• Nominal Grid Voltage: 400V (3-phase)
• Grid Voltage Range: 320V – 480V
• Nominal Frequency: 50Hz / 60Hz
• Grid Frequency Range: 45Hz – 55Hz / 55Hz – 65Hz
• Total Harmonic Distortion (THD): <3%
• Power Factor: >0.99 (Adjustable: 0.8 leading to 0.8 lagging)
• Feed-in Phases / Connection Phases: 3 / 3-N-PE

🛠️ Protection & Safety Features

• Grid Monitoring ✅
• DC Reverse Polarity Protection ✅
• AC Short Circuit Protection ✅
• Leakage Current Protection ✅
• Ground Fault Monitoring ✅
• Surge Protection (DC Type I+II / AC Type II) ✅
• Built-in DC Switch ✅
• Arc Fault Circuit Interrupter (AFCI 2.0) ✅
• PID Recovery Function ✅
• Q at Night Function ✅

📏 General Data & Design

• Dimensions (W × H × D): 1020mm × 795mm × 360mm
• Weight: 87kg
• Cooling Method: Smart Forced Air Cooling
• Ingress Protection Rating: IP66
• Corrosion Protection: C5-rated for extreme conditions
• Operating Temperature Range: -30°C to 60°C
• Max. Operating Altitude: 4000m (Derating above 3000m)
• Night Power Consumption: <5W
• Display & Communication: LED, Bluetooth+APP, RS485, Optional Wi-Fi & Ethernet
• DC Connection Type: Evo2 (Max. 6mm²)
• AC Connection Type: OT/DT Terminal (Max. 240mm²)

Compliance & Grid Standards

• IEC 62109-1, IEC 61000-6-1/2/3/4, IEC 61727, IEC 62116, EN 50549-1/2, VDE V 0126-1-1, VDE-AR-N 4105:2018, NC RfG, G99, UNE 217002, NTS, CEI 0-21 2019, CEI0-16 2019, NRS-097-2-1

Grid Support Functions:

• Q at Night function
• LVRT & HVRT grid protection
• Active & reactive power control
• Power ramp rate control

Ideal Applications:

✅ Large-Scale Commercial & Industrial Solar Installations – Designed for high-performance solar farms and commercial rooftops.
✅ Utility-Scale PV Plants – Maximizes energy yield with advanced multi-MPPT tracking.
✅ Hybrid Solar Energy Solutions – Works in grid-tied setups with advanced power monitoring.
✅ Solar Farms & Agricultural Projects – Optimized for large-capacity solar arrays with remote monitoring.

Why Choose the Sungrow SG125CX-P2 125kW Grid-Tie Inverter?

✅ 12 MPPTs for Precise Energy Harvesting
✅ 98.5% Efficiency for Maximum Power Conversion
✅ Smart Monitoring & Remote Management Capabilities
✅ IP66-Rated Enclosure for Harsh Weather Conditions
✅ Advanced Safety Features Including AFCI & Surge Protection