14 Years Manufacturer Poly-crystalline Solar Panel 300W Manufacturer in Calcutta

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We always continually provide you with the most conscientious customer service, and the widest variety of designs and styles with finest materials. These efforts include the availability of customized designs with speed and dispatch for 14 Years Manufacturer Poly-crystalline Solar Panel 300W Manufacturer in Calcutta, We warmly welcome all perspective inquiries from home and abroad to cooperate with us, and look forward to your correspondence.


Poly-crystalline Solar Panel 300W

Technical parameter

Maximum Power(W)                        300W

Optimum Power Voltage(Vmp)        37.15V

Optimum Operating Current(Imp)    8.08A

Open Circuit Voltage(Voc)               45.30V

Short Circuit Current(Isc)                 8.87A

Mechanical Characteristics

Cell Type Poly-crystalline                 156x156mm (6 inch)

No of Cell                                         72 (6x12pcs)

Dimensions                                     1956x992x50mm

Weight                                             22.5Kg

Front Glass                                     3.2mm,High Transmission, Low Iron,Tempered Glass

Junction box                                    IP65 Rated

Output Cable                                   TUV 1×4.0mm2/UL12AWG,Length:900mm

Temperature and Coefficients

Operating Temperature(°C):                -40°C ~ + 85°C

Maximum System Voltage:                  600V(UL)/1000V(IEC) DC

Maximum Rated Current Series:         15A

Temperature Coefficients of Pmax:     -0.47%

Temperature Coefficients of Voc:        -0.389%

Temperature Coefficients of Isc:           0.057%

Nominal Operationg Cell Temperature (NOCT): 47+/-2°C

 Materials of solar panel

1).Solar Cell——Poly-crystalline solar cell 156*156mm

2).Front Glass——-3.2mm, high transmission, low iron, tempered glass

3).EVA——-excellent anti-aging EVA

4).TPT——-TPT hot seal made of flame resistance

5).Frame——anodized aluminum profile

6).Junction Box——-IP65 rated, high quality, with diode protection

Superiority: high quality anodized aluminum frame, high efficiency long life, easy installation, strong wind resistance, strong hail resistance.

Features

1. High cell efficiency with quality silicon materials for long term output stability

2. Strictly quality control ensure the stability and reliability, totally 23 QC procedures

3. High transmittance low iron tempered glass with enhanced stiffness and impact resistance

4. Both Poly-crystalline and Mono-crystalline

5. Excellent performance in harsh weather

6. Outstanding electrical performance under high temperature and low irradiance 

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

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