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270W-290W Mono-crystalline Solar Panel

270W-290W Mono-crystalline Solar Panel

270W-290W Mono-crystalline Solar Panel · Two decades of experience in manufacturing, the complete PV chain of silicon materials, ingot, wafer, solar glass, solar cell and module, and ISO90001 & ISO14001 certified factory, to ensure excellent raw materials and production control. · Modules...

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270W-290W Mono-crystalline Solar Panel

 

· Two decades of experience in manufacturing, the complete PV chain of silicon materials, ingot, wafer, solar glass, solar cell and module, and ISO90001 & ISO14001 certified factory, to ensure excellent raw materials and production control.

· Modules certified by TUV Rheinland (IEC61215, IEC 61730 standards) in the extreme conditions (temperature, load, impact) with good performance. Pass strict tests of solar modules including Salt-mist Corrosion Test, Fire Test, Ammonia Resistance Test, PID Test, Sand Abrasion Test and Carbon Footprint Assessment in TUV.

· The good weak light performance (morning, evening and cloudy day) has been tested and approved by professional third-party.

· Guarantee from 0 to +6W as power tolerance, customers can obtain 5.8% power more than conventional output.

· 100% EL test before and after lamination, and finished products EL test, providing higher quality assurance.


Electrical Characteristics

Solar-cells:

Mono-Crystalline    156.75×156.75mm

60pcs (6×10) —— 5 bus bars

Max-power

270

275

280

285

290

Power tolerance

0 to +6W(±3%)

Voltage at pmax (Vmp)

31.5

31.7

31.8

32.1

32.2

Current at pmax (Imp)

8.57

8.70

8.81

8.91

9.02

Open-circuit voltage (Voc)

38.3

38.5

38.6

38.7

39.5

Short-circuit current (Isc)

9.34

9.41

9.49

9.51

9.55

Max-system voltage (VDC)

1000V(IEC),600v(UL)

Cell efficiency

19.0

19.4

19.6

19.8

20.0

Module efficiency

16.6

16.9

17.2

17.5

17.8

No.of bypass diodes (pcs.)

3

Max.series fuse (A)

15A

Temperature coefficient of pmax

-0.395% / ℃

Temperature coefficient of voc

-0.317% / ℃

Temperature coefficient of isc

0.0577% / ℃

Nominal operating cell temperature

45±2 ℃

*STC Conditions (1000W/m²;1.5AM and 25℃ cell temperature)

Mechanical Characteristics

Cable type,diameter and length

Φ=4mm², L=900±5mm

Type of connector

Compatible type MC4

Dimension  A×B×C

1640×992×45/40/35mm

Weight

18.3/18.0/17.7kg

No.of Draining holes in frame

16

Construction

Glass: high transmission,Low lron,Tempered glass 3.2mm   Encapsulation:EVA   Back side:White

Junction box

IP67 Rated

Frame

Clear anodized aluminum alloy type 6063T5 frame

Qualification Test Parameters

Dielectric insulation voltage

6000VDC max

Operating Temperature

-40℃~+85℃

Max load

5400Pa

Hailstone impact

25mm(1inch) at 23m/s(52mph)

Fire rating

Class C

Packaging Configuration   1640×992×35mm

Packaging configuration

28pcs/box and 2pcs/box

Loading capacity

784pcs/40HQ 392pcs/20GP

 


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