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Brand range: 200W–730W
Monocrystalline
Canadian Solar CS3W-420P
Max Power
420W
Efficiency
19.63%
Operating V
39.5V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 48V |
| Short Circuit Current (Isc) | 11.26A |
| Voltage at Pmax (Vmp) | 39.5V |
| Current at Pmax (Imp) | 10.64A |
| Temp. Coefficient of Pmax | -0.352%/°C |
| Dimensions | 1879 x 1139 x 35 mm |
| Weight | 26.8kg |
| NOCT | 44.7°C |
| PTC Rating | 398.2W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 524 Canadian Solar models in database
FAQ
How efficient is the Canadian Solar CS3W-420P?
This panel has 19.63% efficiency, which is above average for commercial solar panels.
What are the dimensions and weight of the Canadian Solar CS3W-420P?
It measures 1879 x 1139 x 35 mm and weighs 26.8kg.
What is the max power output of the Canadian Solar CS3W-420P?
The Canadian Solar CS3W-420P is rated at 420W under STC (1000 W/m², 25°C, AM 1.5).
How long is the warranty for the Canadian Solar CS3W-420P?
The CS3W-420P comes with a 25-year product warranty covering defects and degradation.
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📊 Brand Context
Canadian Solar offers 524 solar panel models from 200W to 730W.
Browse all Canadian Solar models →