• Rated AC Power Output: 40.0 kW nominal three-phase output engineered for commercial and industrial grid-tied solar projects.
• Outstanding Conversion Yield: Delivers up to 98.6% maximum efficiency and 98.0% European efficiency rating.
• Triple MPPT Architecture: Features 3 independent MPPT trackers with 6 string inputs (42A / 42A / 32A max current handling).
• Wide Operating Voltage: Low 160V start-up voltage with an ultra-wide 140V–1000V MPPT operating voltage window.
• Advanced Thermal Management: Whisper-quiet Smart Fan Cooling operating below 45 dB under continuous high electrical loads.
• Heavy-Duty Construction: IP66 weather-sealed rating for indoor or outdoor installations in demanding environments.
• Smart Commercial Monitoring: Multi-protocol connectivity supporting RS485, Wi-Fi, LAN, Bluetooth, and optional 4G module interfaces.
The GoodWe GW40K-SDT-C30 40KW Three-Phase ON-GRID Solar Inverter (SDT G3 Series) is a commercial-grade power conversion solution. It is engineered specifically for commercial rooftops, manufacturing facilities, warehouses, and institutional solar systems.
Featuring 3 independent MPPT trackers with 6 total string inputs, this unit optimizes solar energy production across multi-angled rooftop layouts. It supports high DC input current capacity (42A / 42A / 32A), making it compatible with modern high-power bifacial and mono-PERC solar modules.
The GoodWe GW40K-SDT-C30 40KW Three-Phase ON-GRID Solar Inverter delivers peak efficiency up to 98.6%. Built with an ultra-wide MPPT voltage range (140V–1000V) and a low 160V start-up threshold, it maximizes daily generation hours from early morning to late afternoon.
| Model Name | GoodWe GW40K-SDT-C30 (Code: 1093) |
| Inverter Series & Topology | SDT G3 Series / Three Phase On-Grid (Non-isolated) |
| Nominal AC Output Power | 40.0 kW (40000 W) |
| Max. AC Active Power | 40.0 kW (40000 W) |
| Max. AC Apparent Power | 40.0 kVA (40000 VA) |
| 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 | 42 A / 42 A / 32 A |
| Max. Short Circuit Current per MPPT | 52.5 A / 52.5 A / 40.0 A |
| Number of MPPTs / Strings per MPPT | 3 / (2 / 2 / 2 – 6 Total Strings) |
| 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. AC Output Current | 60.6 A (at 380V) / 58.0 A (at 400V) / 60.7 A Max |
| Max. Conversion Efficiency | 98.6% (98.0% European Efficiency / 99.0% MPPT) |
| Cooling Method | Smart Fan Cooling (< 45 dB Noise) |
| Ingress Protection Rating | IP66 Certified Dust & Waterproof |
| Operating Temperature Range | -30°C to +60°C |
| Dimensions (W x H x D) | 585 x 483 x 230 mm |
| Weight | 28.0 kg |
| User Interface & Communication | LED Display, LCD (Optional), WLAN + APP (RS485, Wi-Fi, LAN, Bluetooth, 4G) |
| Surge Protection (DC / AC) | Type II DC / Type II AC Integrated |
Contact our technical team prior to installing the GoodWe GW40K-SDT-C30 40KW Three-Phase ON-GRID Solar Inverter. You can also verify technical parameter sheets on the official GoodWe Solar Official Portal.
The GoodWe GW40K-SDT-C30 40KW Three-Phase ON-GRID Solar Inverter delivers industrial-grade performance. It coordinates high-voltage PV string arrays directly with utility grids.
Equipped with 3 independent MPPT trackers supporting up to 6 solar strings, it eliminates power mismatch losses caused by partial shading or roof orientations. Its high input current threshold (up to 42A per MPPT) accommodates modern high-wattage commercial solar panels effortlessly.
Designed for long-term continuous operation in extreme climates, the unit features an IP66 weather-sealed housing operating from -30°C to +60°C. Smart Fan Cooling ensures quiet thermal dissipation under continuous 40kW loads.
Integrated Wi-Fi, LAN, Bluetooth, and RS485 communication protocols enable real-time grid monitoring. Commercial operators can perform remote diagnostics and zero-export configurations via the GoodWe SEMS platform.
Q1: What is the maximum efficiency of the GoodWe GW40K-SDT-C30 40KW Three-Phase ON-GRID Solar Inverter?
A: The GW40K-SDT-C30 achieves a peak conversion efficiency of 98.6% and a European efficiency rating of 98.0%.
Q2: How many MPPT trackers and strings does this 40kW model support?
A: It features 3 independent MPPT trackers supporting 2 string inputs per tracker (6 total solar strings).
Q3: What is the maximum DC input voltage and start-up voltage for this inverter?
A: The maximum DC input voltage is 1100V, with a low start-up voltage threshold of 160V and an MPPT window of 140V–1000V.
Q4: Is the unit rated for outdoor commercial installations?
A: Yes, it comes with an IP66-certified weather-sealed chassis built to withstand harsh outdoor weather conditions.
Q5: What are the physical dimensions and weight of this inverter?
A: The inverter measures 585 x 483 x 230 mm and weighs 28.0 kg.
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