Canadian Solar
HiDM CS1U-MS
Model range: CS1U-400MS / CS1U-405MS / CS1U-410MS / CS1U-415MS / CS1U-420MS
5 pack sizes
Canadian Solar solar panel family HiDM CS1U-MS, covering 400–420 W modules.
At a glance
Best for
Homes and business buildings comparing roof output and long-term value
Standout
Panel output sits around 400–420 per panel.
Watch out for
Panel suitability still depends on roof space, orientation, shading, and installer design.
Key specifications
A quick snapshot of the family. Compare module counts and capacity in the table below.
Dimensions (W × H × T)
992 × 2078 × 35 mm
Panel power
400–420
Higher panel wattage can reduce how many panels you need for the same total system size.
Product warranty
15
Longer warranty usually means stronger long-term coverage.
Performance warranty
25
Useful for solar panels where long-term output matters.
Compare pack sizes
Capacity, voltage, and power rise as you stack more modules. Specs that stay the same on every size are listed underneath.
Numbers that change with size.
Swipe for more sizes
| Spec | 400MS | 405MS | 410MS | 415MS | 420MS |
|---|---|---|---|---|---|
| Nominal Max. Power (Pmax)W | 400 | 405 | 410 | 415 | 420 |
| Opt. Operating Voltage (Vmp)V | 44.1 | 44.3 | 44.5 | 44.7 | 44.9 |
| Opt. Operating Current (Imp)A | 9.08 | 9.16 | 9.23 | 9.30 | 9.37 |
| Open Circuit Voltage (Voc)V | 53.4 | 53.5 | 53.6 | 53.7 | 53.8 |
| Short Circuit Current (Isc)A | 9.60 | 9.65 | 9.70 | 9.75 | 9.80 |
| Module Efficiency% | 19.4 | 19.6 | 19.9 | 20.1 | 20.4 |
The same on every size
- Operating Temperature
- -40°C ~ +85°C
- Max. System Voltage
- 1500V (IEC) or 1000V (IEC)
- Module Fire Performance
- CLASS C (IEC 61730)
- Max. Series Fuse Rating
- 15 A
- Application Classification
- Class A
- Power Tolerance
- 0 ~ + 10 W
Numbers that change with size.
Swipe for more sizes
| Spec | 400MS | 405MS | 410MS | 415MS | 420MS |
|---|---|---|---|---|---|
| Nominal Max. Power (Pmax)W | 296 | 300 | 304 | 307 | 311 |
| Opt. Operating Voltage (Vmp)V | 40.8 | 41.0 | 41.2 | 41.4 | 41.5 |
| Opt. Operating Current (Imp)A | 7.26 | 7.32 | 7.37 | 7.43 | 7.48 |
| Open Circuit Voltage (Voc)V | 49.9 | 50.0 | 50.1 | 50.2 | 50.3 |
| Short Circuit Current (Isc)A | 7.75 | 7.79 | 7.83 | 7.87 | 7.91 |