S SOLARSPECS
Canadian Solar, founded in 2001 and headquartered in Guelph, Ontario, is one of the few solar manufacturers with significant North American production capacity. Canadian Solar's CS1Y-390MS leverages Monocrystalline technology to achieve 20.0% module efficiency and 390W maximum power. Key specs: Voc=51.9V, Isc=9.82A, Vmp=43.1V, Imp=9.05A. Warranty: 25 years.
🏭View all 524 Canadian Solar models→ Brand range: 200W–730W
Monocrystalline

Canadian Solar CS1Y-390MS

Max Power
390W
Efficiency
20.0%
Operating V
43.1V
Warranty
25Y
Canadian Solar CS1Y-390MS logo
Technical Specifications
Open Circuit Voltage (Voc)51.9V
Short Circuit Current (Isc)9.82A
Voltage at Pmax (Vmp)43.1V
Current at Pmax (Imp)9.05A
Temp. Coefficient of Pmax-0.347%/°C
Dimensions1794 x 1087 x 35 mm
Weight24.4kg
NOCT42.9°C
PTC Rating372.0W
📋 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-390MS?

The Canadian Solar CS1Y-390MS is rated at 390W under STC (1000 W/m², 25°C, AM 1.5).

How long is the warranty for the Canadian Solar CS1Y-390MS?

The CS1Y-390MS comes with a 25-year product warranty covering defects and degradation.

What are the dimensions and weight of the Canadian Solar CS1Y-390MS?

It measures 1794 x 1087 x 35 mm and weighs 24.4kg.

How efficient is the Canadian Solar CS1Y-390MS?

This panel has 20.0% efficiency, which is above average for commercial solar panels.

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📊 Brand Context

Canadian Solar offers 524 solar panel models from 200W to 730W.

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