monocrystalline dual glass solar panel / 280W / 60 cells / 20V / transparent
Main Features
1. Outstanding module performance
Anti PID
High hot-spot resistance
Double semi-tempered glasses strengthen cracking resistance
Improve heat dissipation
2. Ensure fire safety performance
Replace polymer back plate with tempered glass, to improve fire safety performance
Passed fire safety test grade A
3. System cost reduction makes more efficiency
Maximum system voltage enhanced to 1500V
System overall cost reduced greatly, compared with 1000V system
30-year linear power warranty, only 0.5% annual linear degradation
4. Harsh environment adaptation
High transmittance, anti reflection, self-cleaning coated glass
No aluminum alloy frame, no PID
Excellent performance on wind & sand resistance, salt mist resistance, ammonia corrosion resistance
Electrical performance parameters
| monocrystalline dual glass solar panel / 280W / 60cells / 20V / transparent |
| Electrical performance parameters |
| STC (AM1.5, 1000W/m², cell temperature 25℃) |
| Model | DDM280 |
| Maximum power (Pm/Wp) | 280 |
| Maximum power voltage (Vmp/V) | 31.78 |
| Maximum power current (Imp/A) | 8.81 |
| Open circuit voltage (Voc/V) | 38.65 |
| Short circuit current (Isc/A) | 9.53 |
| Module efficiency (%) | 17 |
General performance parameters
| Mechanical performance parameters |
| Cell Nos & array | 60(6*10) |
| Diode Nos | 3 |
| Cells dimension(mm) | 156.75*156.75 mono |
| Cable | 4mm2/negative 150mm, positive 300mm |
| Module weight (kg) | 23 |
| Module dimension (L*W*H) (mm) | 1658*992*6(junction box thickness 16mm) |
| Packing | 33pcs/carton, 26cartons/40HQ, 858pcs/40HQ |
| Quality parameters |
| Module working temperature range (℃) | -40~+85 |
| Power tolerance (W) | 0~+5 |
| Maximum system voltage (V Dc) | 1500DC |
| System maximum protection current (A) | 15 |
| Normal operating cell temperature (NOCT) | 45±2℃ |
| Maximum wind loads/maximum snow loads (Pa) | 2400/5400 |
| Hot spot | 100% hot spot free |
| Temperature coefficient (STC) |
| Temperature coefficient of Voc | -0.33%/℃ |
| Temperature coefficient of Isc | 0.059%/℃ |
| Temperature coefficient of Pm | -0.41%/℃ |
Drawing(mm)
Quality Warranty
10-year materials&workmanship warranty
30-year linear power warranty
Product Tags:
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Multifunction 280 Watt Solar Panel , 20V 60 Cells Monocrystalline Solar Cells Images
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