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300W Highest Efficiency Mono Photovoltaic PV Solar Panels

Model NO.: BW-SM300M60
Trademark: Powerwell
Transport Package: Fumigation-Free Wooden Pallets
Specification: 1640*992*40mm
Origin: Wuyi City, Zhejiang Province, China
HS Code: 85414020
Powerwell Solar 300W Highest Efficiency Mono Photovoltaic PV Solar Panels
300W Highest Efficiency Mono Photovoltaic PV Solar Panels
Modle BW-SM270M60 BW-SM275M60 BW-SM280M72 BW-SM285M60 BW-SM290M60 BW-SM295M60 BW-SM300M60
Rated Maximum Power at STC 270 275 280 285 290 295 300
Maximum Power Voltage (Vmp) 31.5V  31.8V 32.1V 31.7 31.8 32.03 32.26
Maximum Power Current (Imp) 8.57A 8.66A 8.72A 8.99A 9.12A 9.21A 9.30A
Open Circuit Voltage ( Voc) 38.7V 38.9V 39.2V 39.25V 39.46V 39.64V 39.85V
Short Circuit Current (Isc) 9.22A 9.35A  9.45A  9.46A 9.57A 9.66A 9.75A
Module Efficiency 16.94% 17.52 % 18.03% 18.25% 18.44% 18.65% 18.88%
Power Tolerance  0~+3% 0~+3% 0~+3%        
STC: Irradiance 1000W/m², Module Temperature 25°c, Air Mass 1.5
Mechanical Parameters 
Cell Type Mono-crystalline 156x156mm (6inch)
No. of Cells 6 (6x10)   
Dimension  1640x992x40mm    
Glass 3.2mm, High Transmission, Low Iron, Tempered Glass  
Junction Box IP65&IP67 Rated  
Output Cable Section Size: 4mm² , Length: 900mm
Frame Anodized Aluminum Alloy   
No. of Bypass Diodes 3&6    
Connector  MC4 Compatible   
Working Conditions
Maximum System Voltage DC 1000V(IEC) / 1500V(IEC) / 600V(UL)
Operating Temperature  -40°c~+85°c
Maximum Series Fuse 15A    
NOCT 45±2°c
Application Class Class A  
Temperature Coefficient
Temperature Coefficient of Pmax -0.40%/°c 
Temperature Coefficient of Voc  -0.30%/°c  
Temperature Coefficient of Isc  +0.05%/°c
♦ Founded in 2003 , 100MW solar panel production capacity ,solar panel power range 5watt to 360watt for both polycrystalline and monocrystalline solar panel 
♦ 12 years total workmanship and materials warranty , 12 years for at least 90% and 25 years for 80% linear power output warranty  
♦ 100% EL test before package and shipping 
♦ Two factories ,wuyi city and yongkang city
♦ Cooperated with world famous big companies like HUWEI/JINKO/SUNSHINE/DJI and so on.
♦ Products are exported to more than 100 countries 
♦ Products are certified by TUV(Germany) , UL(America) ,CE 
♦ Turn-key solar systems are offered , to save the time and money for the clients  
♦ Rich experience in overseas construction of solar projects 
300W Highest Efficiency Mono Photovoltaic PV Solar Panels


300W Highest Efficiency Mono Photovoltaic PV Solar Panels


 

Welded Steel tube:

Type: ERW, LSAW, SSAW, High frequency welded

Size: Outside Diameter: 21mm-1525mm;  Wall Thickness:1.0-40mm

Length:3.0-12Meters,or according to the customer`s requirements.

Material: ASTM A53 Gr.B, Q195,Q215,Q235B,Q345,20#,45# and so on 

Standard of Welded Steel tube: ASTM/BS/GB/DIN and so on.

Surface:Oiled or painted.

Usage: For low pressure liquid delivery such as water and gas; for construction and greenhouse structure.

Payment: T/T or L/C at sight.

Trade Term: FOB/CNF/CIF/CFR

Package: Large OD in bulk; Small OD packed by steel strips,in bundles; or as per to clients.

 

The chemical composition and mechanical Property of Welded Steel Tube:

Chemical Composition

Material

C%

Mn%

S%

P%

Si%

Q195

0.06-0.12

0.25-0.50

<0.050

<0.045

<0.30

Q215

0.09-0.15

0.25-0.55

<0.050

<0.045

<0.30

Q235

0.12-0.20

0.30-0.70

<0.045

<0.045

<0.30

Q345

<0.20

1.0-1.6

<0.040

<0.040

<0.55

Mechanical Property

Material

Yield Point(Mpa)

Tensile Strength(Mpa)

Elongation(%)

Q195

>195

315-430

32-33

Q215

>215

335-450

26-31

Q235

>235

375-500

24-26

Q345

>345

470-630

21-22

 

Welded Steel Tube

ERW Steel Tube,LSAW Steel Pipe,SSAW Steel Tube,Spiral Steel Pipe

Cangzhou Fixed Star Steel Co.,Ltd , http://www.fixedstarpipe.com