
| Module Power | 420 W |
| Cell Type | N-type |
| Colour Frame | Silver Frame |
| Module type | Monofacial |
| Module Power | 420 W |
| Cell Type | N-type |
| Colour Frame | Silver Frame |
| Module type | Monofacial |
| Series Name | Ultra V Pro Mini STP420-440S-C54/Nshkm+ |
| Series Power Range (Wp) | 420-440 |
| Model Name | STP420S-C54/Nshkm+ |
| Warranty Years | 25 |
| Primary (Years, % Output Power) | 10, 92.2 |
| Secondary (Years, % Output Power) | 30, 87.4 |
| Voltage at Maximum Power, Vmpp (V) At STC | 31.96 |
| Current at Maximum Power, Impp (A) At STC | 13.14 |
| Open Circuit Voltage, Voc (V) At STC | 38.46 |
| Short Circuit Current, Isc (A) At STC | 14.09 |
| Panel Efficiency (%) At STC | 21.5 |
| Power Tolerance, - (%) At STC | 1 |
| Temperature coefficient of Pmax (%/°C) | -0.3 |
| Temperature coefficient of Voc (%/°C) | -0.25 |
| Temperature coefficient of Isc (%/°C) | 0.046 |
| Maximum System Voltage (V) | 1500 |
| Series Fuse Rating (A) | 25 |
| Cell Size (mm) | 182x182 |
| Cell Number | 108 |
| Glass Type | Tempered |
| Glass Thickness (mm) | 3.2 |
| Frame Type | Anodized Aluminum Alloy |
| Junction Box Diodes | 3 |
| Junction Box Protection Class | IP68 |
| Connector Type | MC4-EVO2 |
| Cable Crosssection (mm²) | 4 |
| Cable Length (mm) | 350 |
| Height (mm) | 1722 |
| Width (mm) | 1134 |
| Depth (mm) | 30 |
| Weight (kg) | 21 |

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