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PV module TW Solar TWMND-78HD640 rated 640 Wp. Cells: N-type (156 pcs), bifacial, silver frame, module efficiency 22.9% (STC). Product warranty 12 years, power warranty: 89.4% after 25 years and 87.4% after 30 years. Dimensions 2465 × 1134 × 30 mm (H × W × D), weight 33.8 kg.
| Series | TWMND-78HD625-645W |
|---|---|
| Series power range | 625-645 Wp |
| Warranty | 12 years |
| Power warranty — point 1 (years, % output) | 25, 89.4 |
| Power warranty — point 2 (years, % output) | 30, 87.4 |
| Voltage at max. power Vmpp (STC) | 48,22 V |
| Current at max. power Impp (STC) | 13,28 A |
| Open-circuit voltage Voc (STC) | 57,4 V |
| Short-circuit current Isc (STC) | 13,86 A |
| Module efficiency (STC) | 22,9 % |
| Power tolerance + (STC) | 3 % |
| Operating temperature range | -40 ~ +70 °C |
| Temperature coefficient of Pmax | -0,28 %/°C |
| Temperature coefficient of Voc | -0,24 %/°C |
| Temperature coefficient of Isc | 0,046 %/°C |
| Max. system voltage | 1500 V |
| Max. series fuse rating | 30 A |
| Number of cells | 156 |
| Glass type | AR coating semi tempered glass front, semi tempered rear |
| Glass thickness | 2 mm |
| Frame | Anodised aluminium alloy |
| Bypass diodes | 3 |
| Junction box IP rating | IP68 |
| Cable cross-section | 4 mm² |
| Cable length | +400/-200 or ±1403 mm |
| Cell technology | Front contact |
| Module power | 640 Wp |
|---|---|
| Cell type | N-type |
| Frame colour | Silver frame |
| Module type | Bifacial |
| Height | 2465 mm |
|---|---|
| Width | 1134 mm |
| Depth | 30 mm |
| Weight | 33,8 kg |
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