• Rated AC Power Output: 25.0 kW three-phase output engineered for commercial, industrial, and large residential rooftop installations.
• Exceptional High Yield: Delivers up to 98.5% maximum efficiency and 98.2% European efficiency rating.
• Dual MPPT Architecture: Features 2 independent MPPT trackers with 4 string inputs (32A / 22A max current per tracker).
• High PV Oversizing & Overloading: Supports up to 150% DC input oversizing and 110% AC output overloading (up to 27.5 kW peak).
• Low Start-Up Voltage: Activates at 160V with an ultra-wide 140V–1000V MPPT operating range.
• Smart Fan Cooling: Integrated intelligent thermal management for long-term continuous high-load operation.
• Heavy-Duty Protection: IP66 ingress protection rating with integrated Type III DC/AC surge protection and optional AFCI.
The GoodWe GW25K-SDT-C30 (SDT G3 Series) is an advanced 25kW three-phase on-grid solar inverter engineered for commercial buildings, industrial facilities, and large-scale residential PV installations. Featuring dual independent MPPT trackers with 4 total string inputs (2/2 split) and supporting up to 32A / 22A input current, this inverter accommodates modern high-wattage solar modules with ease. Built with up to 150% DC input oversizing and 110% AC output overloading capability (delivering up to 27.5 kW peak active power output), the GW25K-SDT-C30 maximizes overall energy conversion even under variable weather conditions.
| Model Name | GoodWe GW25K-SDT-C30 (Code: 1011) |
| Inverter Series & Topology | SDT G3 Series / Three Phase On-Grid (Non-isolated) |
| Max. Input Voltage | 1100 V |
| MPPT Operating Voltage Range | 140 V – 1000 V |
| Start-up Voltage | 160 V |
| Nominal Input Voltage | 600 V |
| Max. Input Current per MPPT | 32 A / 22 A |
| Max. Short Circuit Current per MPPT | 52.5 A / 27.5 A |
| Number of MPPTs / Strings per MPPT | 2 / (2 / 2) |
| Nominal AC Output Power | 25.0 kW (25000 W) |
| Max. AC Active Power | 27.5 kW (27500 W) |
| Max. AC Apparent Power | 27.5 kVA (27500 VA) |
| Nominal Output Voltage | 220/380 V, 230/400 V, 240/415 V (3L/N/PE or 3L/PE) |
| Nominal AC Grid Frequency | 50 / 60 Hz |
| Max. Output Current | 37.9 A |
| Max. Efficiency / European Efficiency | 98.5% / 98.2% |
| Cooling Method | Smart Fan Cooling |
| Noise Emission | < 45 dB |
| Ingress Protection Rating | IP66 Certified Dust & Waterproof |
| Operating Temperature Range | -30°C to +60°C |
| Dimensions (W x H x D) | 530 x 413 x 227 mm |
| Weight | 18.8 kg |
| User Interface & Communication | LED / LCD (Optional) / WLAN + APP (RS485, LAN, Bluetooth, 4G Optional) |
| Surge Protection (DC / AC) | Type III (Type II Optional) |
| DC / AC Connectors | MC4 (4–6 mm²) / OT or DT Terminal (Max 16 mm²) |
Verify string sizing parameters directly on the official GoodWe Solar Official Portal prior to mounting and connecting the GW25K-SDT-C30 unit.
The GoodWe GW25K-SDT-C30 delivers robust performance for 25kW commercial three-phase solar networks. Equipped with two independent MPP trackers supporting a 4-string total input, it allows system integrators to configure arrays across different roof orientations or shading profiles. Its 150% DC input oversizing threshold enables over-paneling, while 110% AC output overloading delivers up to 27.5 kW active power during peak solar generation hours.
Designed for industrial reliability, the inverter utilizes Smart Fan Cooling to maintain optimal internal operating temperatures under heavy continuous electrical loads. The heavy-duty IP66-rated chassis delivers complete weatherproofing against heavy rainfall and dust. Multi-protocol communication options (Wi-Fi, Bluetooth, RS485, Modbus TCP/RTU) enable seamless integration with the GoodWe SEMS Portal for real-time load monitoring, export power control, and preventive diagnostics.
Q1: What is the maximum efficiency of the GoodWe GW25K-SDT-C30?
A: The GW25K-SDT-C30 achieves a peak conversion efficiency of 98.5% and a European efficiency rating of 98.2%.
Q2: What is the start-up voltage and MPPT operating range for this 25kW unit?
A: It features a start-up voltage of 160V and an MPPT operating voltage range from 140V to 1000V.
Q3: What is the maximum AC active power output capability?
A: With its 110% AC overloading capability, the unit can output a maximum active power of 27.5 kW (27500 W).
Q4: Is the GW25K-SDT-C30 certified for outdoor weather exposure?
A: Yes, it is IP66-certified, offering complete dust protection and resilience against water jets.
Q5: What are the physical dimensions and weight of this inverter?
A: The inverter measures 530 x 413 x 227 mm and weighs 18.8 kg.
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