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Brand range: 255W–450W
Monocrystalline
Wuxi Suntech Power Co., Ltd STP340S-24/Vfw
Max Power
340W
Efficiency
17.62%
Operating V
38.1V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 46.2V |
| Short Circuit Current (Isc) | 9.41A |
| Voltage at Pmax (Vmp) | 38.1V |
| Current at Pmax (Imp) | 8.93A |
| Temp. Coefficient of Pmax | -0.414%/°C |
| Dimensions | 1785 x 1082 x 35 mm |
| Weight | 24.1kg |
| NOCT | 44°C |
| PTC Rating | 320.0W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 128 Wuxi Suntech Power Co., Ltd models in database
FAQ
How efficient is the Wuxi Suntech Power Co., Ltd STP340S-24/Vfw?
This panel has 17.62% efficiency, which is standard for commercial solar panels.
What are the dimensions and weight of the Wuxi Suntech Power Co., Ltd STP340S-24/Vfw?
It measures 1785 x 1082 x 35 mm and weighs 24.1kg.
What is the max power output of the Wuxi Suntech Power Co., Ltd STP340S-24/Vfw?
The Wuxi Suntech Power Co., Ltd STP340S-24/Vfw is rated at 340W under STC (1000 W/m², 25°C, AM 1.5).
How long is the warranty for the Wuxi Suntech Power Co., Ltd STP340S-24/Vfw?
The STP340S-24/Vfw comes with a 25-year product warranty covering defects and degradation.
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📊 Brand Context
Wuxi Suntech Power Co., Ltd offers 128 solar panel models from 255W to 450W.
Browse all Wuxi Suntech Power Co., Ltd models →