GoodWe GW125K-GT – Three-Phase String Inverter - 125 kW
Description:
The GoodWe GT Series is engineered to deliver high performance for large-scale commercial and industrial solar installations. The GW125K-GT features a compact footprint with high power density, allowing for cost-effective deployment in high-output PV systems. With up to 10 MPPTs and support for 21A per string, this inverter is optimized for use with modern high-power PV modules.
It achieves a maximum efficiency of 99.0% and maintains full output performance up to 45°C, minimizing energy losses and maximizing yield. With smart fan cooling, IP66 protection, and a wide range of grid compatibility, it is designed for long-term durability and flexible deployment. Built-in surge protection and remote monitoring options ensure reliability, safety, and convenience for any project size.
Key Features:
Max. efficiency: 99.0%, European efficiency: 98.5%
Full-load operation up to 45°C ambient temperature
10 MPPTs with 2 strings per MPPT
High input current capacity: 21A per string (42A per MPPT)
Smart fan cooling for thermal management
Supports 1500V class PV modules (max. input voltage: 1100V)
Integrated DC & AC Type II surge protection (Type I+II optional)
Remote shutdown and PID recovery options
IP66-rated for outdoor installation
Multiple communication interfaces: RS485, WiFi, 4G, PLC (optional)
Reactive power compensation and night-time power supply (optional)
Technical Specifications:
Nominal Output Power: 125,000 W
Max. AC Active Power: 137,500 W
Max. AC Apparent Power: 137.5 kVA
Max. Efficiency: 99.0%
MPPT Voltage Range: 180 V – 1000 V
Start-up Voltage: 200 V
Max. Input Voltage: 1100 V
Max. Input Current per MPPT: 42 A
Max. Short Circuit Current per MPPT: 52.5 A
Number of MPPTs: 10
Strings per MPPT: 2
Nominal Output Voltage: 220/380 V, 230/400 V (3L/N/PE or 3L/PE)
Max. Output Current: 199.4 A
Power Factor: Adjustable ~1 (0.8 leading to 0.8 lagging)
THD: <3%
Cooling: Smart Fan Cooling
Protection Rating: IP66
Dimensions (W × H × D): 930 × 650 × 300 mm
Weight: 88 kg
Communication: RS485, WiFi/4G/PLC (optional)
Compliance: Modbus-RTU (SunSpec), CE, IEC 62109, VDE-AR-N 4105, and more
Night Self-consumption: <2 W
Max. Installation Altitude: 4000 m
Operating Temperature Range: –30°C to +60°C
Applications:
Ideal for:
Large commercial rooftops
Ground-mounted solar PV systems
Utility-scale solar farms
Industrial facilities seeking grid-tied, high-capacity solar integration
Warranty: 5 Years (T's And C's Apply)
Lead Time: 1 – 3 Days