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Brand range: 200W–730W
Monocrystalline
Canadian Solar CS1Y-400MS
Max Power
400W
Efficiency
20.51%
Operating V
43.5V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 52.3V |
| Short Circuit Current (Isc) | 9.9A |
| Voltage at Pmax (Vmp) | 43.5V |
| Current at Pmax (Imp) | 9.2A |
| Temp. Coefficient of Pmax | -0.347%/°C |
| Dimensions | 1794 x 1087 x 35 mm |
| Weight | 24.4kg |
| NOCT | 42.9°C |
| PTC Rating | 381.5W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 524 Canadian Solar models in database
FAQ
What is the max power output of the Canadian Solar CS1Y-400MS?
The Canadian Solar CS1Y-400MS is rated at 400W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the Canadian Solar CS1Y-400MS?
This panel has 20.51% efficiency, which is above average for commercial solar panels.
How long is the warranty for the Canadian Solar CS1Y-400MS?
The CS1Y-400MS comes with a 25-year product warranty covering defects and degradation.
What are the dimensions and weight of the Canadian Solar CS1Y-400MS?
It measures 1794 x 1087 x 35 mm and weighs 24.4kg.
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📊 Brand Context
Canadian Solar offers 524 solar panel models from 200W to 730W.
Browse all Canadian Solar models →