🏭View all 283 Silfab models→
Brand range: 240W–640W
Monocrystalline
Silfab SIL-420HC+
Max Power
420W
Efficiency
21.88%
Operating V
39.2V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 45.7V |
| Short Circuit Current (Isc) | 11.46A |
| Voltage at Pmax (Vmp) | 39.2V |
| Current at Pmax (Imp) | 10.72A |
| Temp. Coefficient of Pmax | -0.402%/°C |
| Dimensions | 1780 x 1079 x 35 mm |
| Weight | 24.0kg |
| NOCT | 46.3°C |
| PTC Rating | 392.9W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 283 Silfab models in database
FAQ
What is the max power output of the Silfab SIL-420HC+?
The Silfab SIL-420HC+ is rated at 420W under STC (1000 W/m², 25°C, AM 1.5).
How long is the warranty for the Silfab SIL-420HC+?
The SIL-420HC+ comes with a 25-year product warranty covering defects and degradation.
What are the dimensions and weight of the Silfab SIL-420HC+?
It measures 1780 x 1079 x 35 mm and weighs 24.0kg.
How efficient is the Silfab SIL-420HC+?
This panel has 21.88% efficiency, which is high for commercial solar panels.
Compare This Panel
Add this Silfab SIL-420HC+ to compare specs side-by-side with other commercial solar panels.
📄 Download
Save this datasheet as PDF for offline reference.
Share
Advertisement