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JA Solar 340W Large Wafer Solar Panel

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.

Please note that there is currently a slight delay on dispatch time on these items due to a backlog at the warehouse. We will do our best to get them to you as soon as possible.

Please download specifications sheet here.

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Regular Price: R 3,167.00

Special Price Excl. Tax: R 1,885.22 Incl. Tax: R 2,168.00

JA Solar

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Product Description


Key Features

  • 5BB design reduces cell series resistance and stress between cell interconnectors to improve module reliability and conversion efficiency.
  • High Output, up to 17.25% module conversion efficiency.
  • IEC Standard Certified with 1000V.
  • Anti-Soiling Surface design reduces power loss from build-up of dust and dirt.
  • Outstanding performance in low-light irradiance levels.
  • Certified to withstand high wind loads (2400Pa) and heavy snow loads (5400Pa).
  • Positive power tolerance: 0+5W.

Reliable Quality

  • Positive power tolerance: 0_ +5 W.
  • Modules binned by current to improve system performance.
  • Potential Induced Degradation (PID) resistant in accordance to IEC62804.

Comprehensive Certificates

  • IEC61215, IEC 61730, CEC listed, MCS and CE.
  • ISO 9001:2008: Quality management systems.
  • ISO 14001:2004 Environmental management systems.
  • BS OHSAS 18001:2007: Occupational health and safety management systems.
  • Environmental policy: The first solar company in China to complete Intertek’s carbon footprint evaluations program and receive green leaf mark verification for our product.

Superior Warranty

  • 12-year product warranty.
  • 25-year linear power output warranty.

Technical Specifications

  • Cell Type: Poly (156.75 mm × 156.75mm).
  • Weight: 22.3kg±3%.
  • Dimensions: 1979 mm × 996 mm × 40mm.
  • Cable Cross Section Size: 4mm².
  • No. of Cells: 72 (6×12).
  • Junction Box: IP67, 3 diodes.
  • Connector: MC4 Compatible.

Electrical Parameters @ STC

  • Rated Maximum Power (Pmax) [W]: 340.
  • Open Circuit Voltage (Voc) [V]: 43.96.
  • Maximum Power Voltage (Vmp) [V]: 37.74.
  • Short Circuit Current (Isc) [A]: 9.48.
  • Maximum Power Current (Imp) [A]: 9.01.
  • Module Efficiency (%): 17.02.
  • Power Tolerance: -0~+5W.
  • Temperature Coefficient(α_Isc): +0.058%/°C
  • Temperature Coefficient (β_Voc): -0.330%/°C
  • Temperature Coefficient (γ_Pmp): -0.410%/°C
  • STC: Irradiance 1000W/m2, cell temperature 25°C, AM1.5G.

Operating Conditions

  • Maximum System Voltage: 1000V DC (IEC).
  • Operating Temperature: -40°C~+85°C.
  • Maximum Series Fuse: 20A.
  • Maximum Static Load, Front: 5400Pa
  • Maximum Static Load, Back: 2400Pa
  • NOCT: 45±2°C.
  • Application Class: Class A.

Additional Information

Additional Information

Disclaimer Please note that stock availability is subject to prior sales. Prices exclude delivery. The image serves as an example of what the product looks like and may differ slightly in appearance.
Guarantee/ Warranty 12 year product warranty, 25 year linear performance warranty
Solar Module Watts 340W
Module Voltage 36VDC - 47VDC
Panel Type Rigid
Solar Cell Type Poly-Crystalline
Weight 23 Kg


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