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125kW SG125CX-P2 3-Phase String Inverter

MP-125kW SG125CX-P2 3Phase String Inverter-6474

3-Phase String Inverter

The SG125CX-P2 supports up to 12 MPPTs with 15A per string and 150% DC oversizing. PowerMax global MPPT tracking ensures optimal performance even under shading conditions, improving overall yield by up to 2%. Built-in PID recovery maintains long-term module efficiency.

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Unlock Maximum Potential from Your PV Modules

Commercial and industrial PV systems often face challenges such as limited module access, shading losses, and performance degradation over time. These factors can reduce energy output and increase operational complexity.

The China Moneypro SG125CX-P2 3-Phase String Inverter is designed to maximize PV generation while simplifying installation and maintenance. With advanced MPPT tracking and built-in PID recovery, it ensures your system produces more energy consistently.

Capture More Sunshine, Generate Higher Yield

Optimized tracking and module access

The SG125CX-P2 supports up to 12 MPPTs with 15A per string and 150% DC oversizing. PowerMax global MPPT tracking ensures optimal performance even under shading conditions, improving overall yield by up to 2%. Built-in PID recovery maintains long-term module efficiency.

User-focused benefits:

  • Extended daily production hours

  • Higher total kWh output

  • Improved performance under shading

  • Long-term energy stability

  • Maximized return on investment

Intelligent Safety and System Protection

Comprehensive protection for C&I installations

Safety is paramount for high-capacity PV systems. SG125CX-P2 features a robust protective design and multiple security layers. PV input can be instantly shut down in emergencies, protecting personnel, equipment, and property.

Key features:

  • IP66/C5 protection for dust, water, and corrosive environments

  • Built-in DC Type I+II & AC Type II SPD for lightning resistance

  • AFCI 2.0 arc detection with 200ms shutdown, covering cable lengths up to 200m

  • Reduced fire and electrical risks

  • Enhanced safety compliance for commercial sites

Simplified Installation and Efficient O&M

Designed with installers in mind

The inverter’s modular design, including the patented X-RACK horizontal assembly and detachable AC wiring platform, reduces installation and wiring time by up to 30%. Its lightweight, transport-friendly structure makes setup faster and more convenient.

Advantages:

  • Faster installation with fewer resources

  • Simplified wiring for horizontal assembly

  • Reduced labor and commissioning time

  • Easy maintenance and component replacement

  • Streamlined operations for multi-inverter systems

Real-Time Monitoring with iSolarCloud

Stay connected and in control

Integrated with iSolarCloud, SG125CX-P2 provides live system monitoring, remote fault diagnostics, and proactive O&M management. Operators can track performance and schedule maintenance from any device, improving plant efficiency and reducing downtime.

Practical benefits:

  • Real-time energy production monitoring

  • Remote fault location and alert system

  • Efficient preventive maintenance

  • Reduced need for on-site inspections

  • Optimized system uptime and productivity

Applications

Commercial Rooftops

Ideal for factories, warehouses, offices, and retail facilities requiring high-efficiency 125kW three-phase inverters.

Distributed PV Installations

Supports medium-sized C&I systems with high module count and flexible layouts.

Harsh or High-Exposure Environments

IP66/C5 protection ensures reliable operation in dusty, wet, or corrosive locations.

Shaded or Oversized PV Arrays

Global MPPT tracking and PID recovery optimize performance even under shading or DC oversizing conditions.

FAQ – Everything You Need to Know

Q1: What system size is SG125CX-P2 suitable for?
It is ideal for 125kW commercial and industrial three-phase PV systems.

Q2: How does it increase energy yield?
PowerMax global MPPT tracking, multiple MPPTs, and PID recovery boost energy capture and long-term performance.

Q3: Is it safe for commercial installations with long cable runs?
Yes. AFCI 2.0 provides arc fault detection with 200ms shutdown over 200 meters of cabling.

Q4: Can it withstand harsh outdoor conditions?
Absolutely. IP66/C5 rating and built-in surge protection ensure stability in wet, dusty, and corrosive environments.

Q5: Can I monitor the system remotely?
Yes. iSolarCloud offers full remote monitoring, alerts, and O&M management via phone or PC.

Why Choose China Moneypro

China Moneypro delivers smart, efficient, and durable solar solutions for C&I applications. The SG125CX-P2 combines high module capacity, intelligent safety features, and seamless monitoring—making it a reliable choice for anyone seeking a 125kW commercial string inverter, high-efficiency three-phase PV inverter, or smart inverter with remote monitoring for industrial rooftops.

Specifications

Type designation SG125CX-P2
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)
Rated AC output power 125 kW
Max. AC output apparent power 125 kVA
Max. AC output current 181.1 A
Rated AC output current( at 230V ) 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 rated 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
Effciency
Max. effciency / European effciency 98.5% / 98.3%
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 / AC Type II
Ground fault monitoring Yes
DC switch Yes
PV string current monitoring Yes
Arc fault circuit interrupter (AFCI) Yes
PID recovery function Yes
Optimizer compatibility *** Optional
RSD compatibility *** Optional
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 specifcation 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

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