Solar panel from JA Solar  JAM54S31-390/MR (FB, EVO2) 390W Mono

JAM54S31-390/MR (FB, EVO2) JA Solar

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Performance data

Nominal Power 390 W
Cell type Mono
Number of cells 108
Cell Format n/a
Module efficiency
19,97 %
Power tolerance Power Tolerance Value
Temp. Coeff. of P(max) -0,35 %/°C
System voltage 1500 V
Optimizer incl. no


Pieces per pallet 36
Pieces per 40 936


Length 1722 mm
Width 1134 mm
Frame 30 mm
Weight 19.5 kg

Other features

Frame/Backsheet black/black
Cable length + / - 1200 mm / 1200 mm
Connector Type Stäubli MC4-EVO2
Snow load 5.400 Pa
Wind load 2.400 Pa

Manufacturer warranty

Product warranty 12 years
Warranty 25 years on 84% of nominal power


IEC 61215 - Design Qualification and Type Approval
IEC 61730 - Safety Qualification
IEC TS 62941
ISO 14001
ISO 45001
ISO 9001
UL 61215
UL 61730
warranty.pdf Guarantee English Download icon
manual.pdf Manual English Download icon
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25296891.pdf Data Sheet English Download icon
JAM54S31-390/MR (FB, EVO2) Photovoltaic module with 108 mono cells and 390 Wp nominal power. Output power after 25 years 84.8%.
  • Cell: Monocrystalline, 108 (6*18)
  • Operating Temperature(℃): -40℃~+85℃ 
  • Junction box: IP68, 3 diodes
  • Cable: 1.2 m (+) / 1.2 m (-), 4 mm2, 12 AWG(UL)
  • NMOT Temperature: 45 ± 2 ℃
  • Safety Class: Class II
  • Fire Performance: UL Type I

JA Solar

Founded in 2005, JA Solar is a manufacturer of high-performance photovoltaic products. The company’s business portfolio covers silicon wafers, cells, modules, and PV power stations. With 12 manufacturing bases and more than 20 branches around the world, JA Solar is yet another massive Chinese manufacturer that dominates the volume and revenue in this industry. JA Solar products are available in 135 countries and regions.

With its advantages of continuous technological innovation, sound financial performance, and well-established global sales and service networks, JA Solar has been well received and highly recognized by clients from home and abroad.

JA Solar has a 12-year product and 25-year performance warranty for all of its solar panels. JA Solar Panels also feature impressive power output and efficiency rates.


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