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High Efficiency Mono X Module Cells: 6 x 10 Module efficiency 15.5% Connector Type: MC4 connector IP67 All black

  • LG255S1K-A3

  • Discontinued Product

Key Features

  • Light and Robust
  • Convenient Installation
  • 100% EL Test Completed
  • The LG Mark of Excellence
Mechanical Properties
FrameAnodized aluminum
Junction boxIP 67 with 3 bypass diodes
GlassHigh transmission tempered glass
Static snow load5400 Pa / 113 psf
Weight16.8 ± 0.5 kg / 36.96 ± 1.1 lb
Cell typeMonocrystalline
Cell dimensions156 x 156 mm / 6 x 6 in
Dimensions (L x W x H)1640 x 1000 x 35 mm / 64.57 x 39.37 x 1.38 in
Length of cables2 x 1000 mm / 2 x 39.37 in
Connector typeMC4 connector IP 67
# of busbar3
Static wind load2400 Pa / 50 psf
Cells6 x 10
Cell vendorLG
Certifications and Warranty
Product warranty10 years
Output warranty of Pmax (measurement Tolerance ± 3%)Linear warranty*
*1) 1st year: 97%, 2) After 2nd year: 0.7%p annual degradation, 3) 80.2% for 25 years
CertificationsIEC 61215, IEC 61730-1/-2, UL 1703, ISO 9001
Electrical Properties (NOCT*)
Open circuit voltage (Voc)34.8
MPP current (Impp)6.59
*NOCT (Nominal Operating Cell Temperature): Irradiance 800 W/m2, ambient temperature 20 °C, wind speed 1 m/s
Maximum power (Pmpp)185
MPP voltage (Vmpp)28.1
Efficiency reduction (from 1000 W/m2 to 200 W/m2)< 4.5 %
Short circuit current (Isc)7.10
Electrical Properties (STC*)
MPP current (Impp)8.26
Short circuit current (Isc)8.78
*STC (Standard Test Condition): Irradiance 1000 W/m2, module temperature 25 °C, AM 1.5 / The nameplate power output is measured and determined by LG Electronics at its sole and absolute discretion.
Power tolerance (%)0 ~ +3
Maximum series fuse rating (A)15
Open circuit voltage (Voc)37.9
MPP voltage (Vmpp)30.9
Maximum power at STC (Pmpp)255
Module efficiency (%)15.5
Operating temperature (°C)-40 ~ +90
Maximum system voltage (V)1000 (IEC), 600 (UL)
Temperature Coefficients
Voc-0.31 %/°C
NOCT47.0 ± 2 °C
Pmpp-0.44 %/°C
Isc0.05 %/°C


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