Specifications

280W Poly Solar Panel with TUV,CE
1) high efficency
2) easy to install
3) stand heavy rain and snow
4) favourable price

280W Poly Solar Panel with TUV,CE certificate

Technical Data:

 

1. Specifications

 

 

 

Cells	Polycrystalline silicon solar cells 156x156mm
Number of cells	72(6×12)
Dimensions (mm)	1950 x 990 x 50mm
Weight (kg)	28

 

 

 

 

2. Electrical Characteristics

 

 

 

Model	RSM72-156P/260W		RSM72-156P/270W		RSM72-156P/280W		RSM72-156P/290W
Max Power Pm(W)	260		270		280		290
Max Power Voltage Vm (V)	34.8		35.1		35.2		35.4
Max Power Current Im (A)	7.47		7.7		7.96		8.19
Open-Circuit Voltage Voc (V)	44.2		44.6		44.8		44.9
Short-Circuit Current Isc (A)	8.10		8.22		8.35		8.60
Cell Efficiency(%)	14.8		15.4		16.0		16.6
Module Efficiency(%)	13.9		14.4		15.0		15.5
Maximum System Voltage (V)	DC 1000(TUV) / DC 600(UL)
Power Tolerance(%)	0~+3
Series Fuse Rating (A)	15

 

 

 

3. Components & Mechanical Data

 

 

 

Front Glass	High Transparency Tempered Glass, 3.2mm
Junction Box	Pass the TUV Certificate PPO(black/IP65)
Output Cables	4mm2/0.9m
Connectors	MC4(UV resistance and self-locking/IP67)
Frame	Anodized aluminum alloy type 6063-T5
Encapsulation Material	EVA (0.50 ± 0.03mm thickness)
Back Foil	White TPT (0.32 ± 0.03mm thickness)
Fixing adhesive	Silicone Sealant(White)
Temperature Range(°C)	-40°C to +90°C
Max Load(Kpa)	2.4 wind load / 5.4 snow load
Temperature Range(°C)	-40°C to +90°C

 

 

 

 

 4.Temperature Coefficients

 

 

NOCT (°C)		47±2
Temperature Coefficient of Pm (%/°C)		-0.45±0.05
Temperature Coefficient of Isc (%/°C)		0.05±0.01
Temperature Coefficient of Voc (%/°C)		-0.35±0.02

 

 

 

 

 

Quality assurance testing

  

 

 

Thermal cycling test 

 

 

Thermal shock test

  

Thermal/Freezing and high humidity cycling test 

  

Electrical isolation test

  

Hail impact test

  

Mechanical, wind and twist loading test

  

Salt mist test

  

Light and water-exposure test 

 

Moist carbon dioxide/sulphur dioxide

 

 

 

 

 

Solar Panel Pictures show