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Brand range: 240W–640W
Monocrystalline
Silfab SIL-420HU
Max Power
420W
Efficiency
21.43%
Operating V
41.3V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 49.5V |
| Short Circuit Current (Isc) | 10.6A |
| Voltage at Pmax (Vmp) | 41.3V |
| Current at Pmax (Imp) | 10.17A |
| Temp. Coefficient of Pmax | -0.325%/°C |
| Dimensions | 1798 x 1090 x 35 mm |
| Weight | 24.5kg |
| NOCT | 44.6°C |
| PTC Rating | 400.0W |
📋 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-420HU?
The Silfab SIL-420HU is rated at 420W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the Silfab SIL-420HU?
This panel has 21.43% efficiency, which is high for commercial solar panels.
How long is the warranty for the Silfab SIL-420HU?
The SIL-420HU comes with a 25-year product warranty covering defects and degradation.
What are the dimensions and weight of the Silfab SIL-420HU?
It measures 1798 x 1090 x 35 mm and weighs 24.5kg.
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