S SOLARSPECS
Designed for residential rooftop systems, the Canadian Solar CS1Y-405MS combines 405W power output with 20.77% efficiency in a Monocrystalline form factor.
🏭View all 524 Canadian Solar models Brand range: 200W–730W
Monocrystalline

Canadian Solar CS1Y-405MS

Max Power
405W
Efficiency
20.77%
Operating V
43.7V
Warranty
25Y
Canadian Solar CS1Y-405MS logo
Technical Specifications
Open Circuit Voltage (Voc)52.5V
Short Circuit Current (Isc)9.94A
Voltage at Pmax (Vmp)43.7V
Current at Pmax (Imp)9.27A
Temp. Coefficient of Pmax-0.347%/°C
Dimensions1794 x 1087 x 35 mm
Weight24.4kg
NOCT42.9°C
PTC Rating386.3W
📋 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-405MS?

The Canadian Solar CS1Y-405MS is rated at 405W under STC (1000 W/m², 25°C, AM 1.5).

How efficient is the Canadian Solar CS1Y-405MS?

This panel has 20.77% efficiency, which is above average for commercial solar panels.

How long is the warranty for the Canadian Solar CS1Y-405MS?

The CS1Y-405MS comes with a 25-year product warranty covering defects and degradation.

What are the dimensions and weight of the Canadian Solar CS1Y-405MS?

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.

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