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Ningbo RayTech New Energy Materials Co., Ltd.
Type: Monocrystalline
Power Range: 275 ~ 285 Wp
Region: China China
Note: Your Enquiry will be sent directly to Ningbo RayTech New Energy Materials Co., Ltd..

Alternative Product

From €0.202 / Wp
  • Cell Type: PERC
  • Dimensions: 1685x992x35 mm
  • Weight: 18.5 kg
  • Cell Size: --
  • Glass Thickness: 3.2 mm
  • Pmax: 320 Wp
  • Vmpp: 32.8 V
  • Impp: 9.76 A
  • Voc: 40.2 V
  • Isc: 10.12 A
  • Efficiency: 19.14 %
  • Product Warranty: 12 Years
  • Power Warranty: 10 Years of 90% Output Power, 25 Years of 80% Output Power

Product Characteristics

Model No.
DM60-275 DM60-280 DM60-285
Product Warranty 10 Years
Electrical Data at STC  
Maximum Power (Pmax)
275 Wp 280 Wp 285 Wp
Voltage at Maximum Power (Vmpp)
31.36 V 31.48 V 31.55 V
Current at Maximum Power (Impp)
8.77 A 8.9 A 9.04 A
Open Circuit Voltage (Voc)
38.38 V 38.49 V 38.55 V
Short Circuit Current (Isc)
9.33 A 9.41 A 9.5 A
Panel Efficiency
16.5 % 16.8 % 17.1 %
Power Tolerance (Positive)
+ 3 % + 3 % + 3 %
  Standard Test Conditions (STC): air mass AM 1.5, irradiance 1000W/m2, cell temperature 25°C
Electrical Data at NOCT  
Maximum Power (Pmax)
204 Wp 207 Wp 211 Wp
Voltage at Maximum Power (Vmpp)
28.5 V 28.61 V 28.67 V
Current at Maximum Power (Impp)
7.14 A 7.25 A 7.36 A
Open Circuit Voltage (Voc)
35.49 V 35.59 V 35.65 V
Short Circuit Current (Isc)
7.52 A 7.59 A 7.66 A
45±3 °C 45±3 °C 45±3 °C
  Nominal Operating Cell Temperature (NOCT): 800W/m2, AM 1.5, windspeed 1m/s,ambient temperature 20°C
Thermal Ratings  
Operating Temperature Range -40~85 °C
Temperature Coefficient of Pmax -0.42 %/°C
Temperature Coefficient of Voc -0.33 %/°C
Temperature Coefficient of Isc 0.04 %/°C
Maximum Ratings  
Maximum System Voltage 1500 V
Maximum Reverse Current 15 A
Material Data  
Panel Dimension (H/W/D) 1675x992x6 mm
Weight 23 kg
Cell Type Monocrystalline
Cell Size 156.75×156.75 mm
Cell Number 60
Glass Type Tempered, Low Iron
Encapsulant Type EVA
Frame Type Frameless
Junction Box Diodes 3
Junction Box Protection Class IP 67
Connector Type MC4
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Ningbo RayTech New Energy Materials Co., Ltd.

Huyong High-Tech Industrial Park, 18 Qiyuan Road, Hangzhou Bay New District, Ningbo, Zhejiang
No. Staff: 106
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Founded in February 2012, Ningbo RayTech New Energy Materials Co., Ltd. is located at Ningbo High-Tech Industrial Park. As a high-tech enterprise, RayTech focuses on the R&D, manufacturing and sales of double-glass solar panel. It is also a major player interms of R&D and construction of distributed generation projects.

Focused on the manufacture and sales of double-glass PV modules, RayTech is equipped with automatic production lines with a total capacity of 500MW. One of the achievements of CQC certification for double-glass PV modules,RaySolarhas won a series of esteemed certifications including CQC, North American UL, German TüV, ISO, and China Compulsory Certificate(3C Mark) of Construction Industry.

Adhering to the corporate philosophy of “Focusing on Double-glass PV Modules and Striving for Excellence”, RayTech will continue to make innovations in technology and promote the application of double-glass PV modules, as well as develop PV comprehensive utilization solutions.

The unique edge sealing process developed by RayTech can avoid the risks of crash and micro-crackof double-glass PV modules during transportation and installation and has won the “Shine Cup Technological Innovation Award”. RayTech products have been applied in many demonstration projects in China and have won unanimous recognitions and praises from customers and industries.

Solar makes life better!


Production (MW)/2015: 500 MWp
Monocrystalline, Polycrystalline
Power Range(Wp): 105-345

Useful Contacts

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Zhang Dan Marketing Director
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Jason Mu Sales director
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Chery Liu International sales manag...
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Ms.Yang Sales
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Shidong (Stone) Guo Intl Key Account Manager

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