Description |  |  |
| Large Ground Power Station | Industrial and Commercial Roof | Residential Roof |
 | Model Number | DK-400W | DK-420W | DK-440W | DK-450W |
| Maximum Power (W) | 400W | 420W | 440W | 450W |
| Tolerance (%) | ±3% | ±3% | ±3% | ±3% |
| Open Circuit Voltage (V) | 48.80 | 48.96 | 49.50 | 50.28 |
| Short Circuit Current (A) | 10.75 | 10.93 | 10.33 | 11.40 |
| Maximum Power Voltage (V) | 40.10 | 40.51 | 40.95 | 41.60 |
| Maximum Power Current (A) | 10.22 | 10.37 | 10.75 | 10.82 |
| Solar Module Efficiency (%) | 18.86 | 19.30 | 20.24 | 20.70 |
| Solar Cell Efficiency (%) | 21.3 | 21.82 | 22.86 | 23.38 |
| Series Fuse Rating (A) | 20 | 20 | 20 | 20 |
| Terminal Box | IP65 |
| Maximum System Voltage (V) | DC 1500V |
| Operating Temperature (℃) | -40℃ - 85℃ |
| Dimension | 2094 x 1038 x 35 mm |
| Weight | 23.5kg / Piece |
| Packing | 2pcs in one carton, or 30pcs per pallet |
| Model Number | DK-500W | DK-530W | DK-535W | DK-540W | DK-545W | DK-550W |
| Maximum Power (Pmax/W) | 500 | 530 | 535 | 540 | 545 | 550 |
| Open Circuit Voltage | 49.12 | 49.32 | 49.52 | 49.69 | 49.90 | 50.10 |
| Short Circuit Current | 13.63 | 13.70 | 13.78 | 13.86 | 13.90 | 13.95 |
| Voltage at Maximum Power | 41.26 | 41.41 | 41.55 | 41.72 | 41.90 | 42.10 |
| Current at Maximum Power | 12.73 | 12.81 | 12.88 | 12.95 | 13.02 | 13.07 |
| Solar Module Efficiency (%) | 20.29 | 20.49 | 20.68 | 20.88 | 21.08 | 21.26 |
* STC (Standard Testing Conditions): Irradiance 1000W/m2, Cell Temperature 25°C, Spectra at AM1.5
*Test uncertainty for Pmax: ±3% |
| Solar Panels 500W-550W Specifications |
| Solar Cells | Monocrystalline 182mm*182mm |
| Cells Quantity | 144 Pcs (6*12+6*12) |
| Front Panel Glass | High light transmission rate, low iron, tempered glass | Semi -tempered coating glass, thickness 2.0mm |
| Backplane/Glass | White Backplane | Semi -tempered coating pressed-flower glass, thickness 2.0mm |
| Aluminum Frame | Anodize aluminum alloy frame 6005 T6, silver color |
| Junction Box | IP68, 1500V DC, 3 bypass diode | PV-RM01, IP68, 1500V DC, 3 bypass diode |
| Cables | 4.0mm2 (12AWG), Positive Electrode(+) 300mm, Negative Electrode (-) 300mm (including connecting head) |
| Connector | PV-RM01, IP68 | MC4 compatible connector |
Project Case of Solar Panels
 |  |  |
| European ground photovoltaic power station project (30MW) | Belgium Family Photovoltaic Power Station (3KW) | Brazilian roof photovoltaic power station project (8MW) |
 |  |  |
| Thailand roof photovoltaic project (20MW) | Yemen ground centralized photovoltaic project (60MW) | Mexican roof photovoltaic project (6MW) |
Kind Reminding
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