JA Solar panel, 340W, poly full cell, MC4

JA Solar

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This time-tested legacy module series has been proven to be one of the powerful and most reliable products offered by JA Solar and the most popular choice by PV system installers and customers around world.

  • 5 Busbar technology
  • Anti-PID design
  • Low cost
  • Highly reliable design
  • 12 year warranty
  • 25 year linear power design
  • Comprehensive certification
  • MC4 connectors


Rated Maximum Power(Pmax)  340 W

Open Circuit Voltage(Voc)  46.39 V

Maximum Power Voltage(Vmp)  37.74 V

Short Circuit Current(Isc) 9.48 A

Maximum Power Current(Imp) 9.04 A

Module Efficiency 17.2 %

Dimensions  1979±2mm x 996±2mm x 40±1mm

Weight 22.3kg±3%

No. of cells 72(6x12)

Cable Cross Section Size 4mm²

Junction Box IP67, 3 diodes

Connector MC4 (1000V)

Power Tolerance 0~+5W

Temperature Coefficient of Isc(α_Isc) +0.058%/℃

Temperature Coefficient of Voc(β_Voc) -0.330%/℃

Temperature Coefficient of Pmax(γ_Pmp) -0.400%/℃

STC Irradiance 1000W/m², cell temperature 25℃, AM1.5G

Packaging Configuration 27 Per Pallet

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