To properly experience our website, you will need to use an alternate browser or upgrade to a newer version of internet Explorer (IE9 or greater).

The website utilizes responsive design to provide convenient experience that conforms to your devices screen size. In order to get the best possible experience our LG.COM website please follow below instructions.

If you’re using Internet Explorer 8 or earlier, you will need to use an alternate browser such as Firefox or Chrome or upgrade to a newer version of internet Explorer (IE9 or greater).

If you’re using Internet Explorer 9 and higher, turn off your Internet Explorer browser’s “Compatibility View settings” by following steps below:

  • Right click at the top of your browser and make sure the “Menu Bar” option is selected
  • Select “Tools” from the menu bar and then select “Compatibility View settings”
  • In the pop-up menu uncheck all three boxes and click “Close”
  • Your browser window will automatically refresh and you’ll be ready to go
Skip to Contents

High Efficiency PerfectAC™ Module Cells: 6 x 10 Module efficiency 18.3%

  • LG300A1C-B3

  • Discontinued Product

Key Features

  • Trusted Company
  • All-in-one Design
  • Max Performing AC Output
  • Monitoring Anywhere
Mechanical Properties
Cells6 x 10
Cell vendorLG
Cell typeMonocrystalline
Cell dimensions156.5 x 156.5 mm / 6 x 6 in
# of busbar3
Dimensions (L x W x H)1640 x 1000 x 35 mm / 64.57 x 39.37 x 1.38 in
Weight18.0 ± 0.5 kg
CoolingNatural Convection - No Fans
Maximum Static Load50 psf
Enclosure Environmental RatingOutdoor - NEMA type 6
Operating Ambient Temperature-40 ~ 65 °C (-40 ~ 145 °F)
Operating Temperature(Internal)-40 ~ 90 °C (-40 ~ 194 °F)
Inverter Model (Utility Interactive)LM305UE-G1
GlassHigh transmission tempered glass
FrameAnodized aluminum
Certifications and Warranty
CertificationsUL 1703, UL 1741, IEEE 1547, FCC Part 15 Class B, CAN/CSA-C22.2 NO. 107.1-01
Module Fire Performance (UL1703)Type 2
Product warranty10 years
Output warranty of Pmax (measurement Tolerance ± 3%)Linear warranty*
*1) 1st year: 98%, 2) After 2nd year: 0.7%p annual degradation, 3) 81.2% for 25 years
Temperature Coefficients
NOCT45 ± 2 °C
Pmpp-0.41 %/°C
Voc-0.29 %/°C
Isc0.04 %/°C
DC Electrical Properties
Power (STC*)300 W
Efficiency reduction (from 1000 W/m2 to 200 W/m2)< 2.0%
Module efficiency (%)18.3
*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.
Inverter Electrical Properties
Rated Continuous Output Power (W) @240VAC305
Rated Continuous Output Power (W) @208VAC300
CEC Weighted Efficiency (%) @240VAC96.5
CEC Weighted Efficiency (%) @208VAC96.0
Rated Output Current (A) @240VAC1.27
Rated Output Current (A) @208VAC1.44
Nomianl Voltage Range (V) @240VAC211 ~ 264
Nomianl Voltage Range (V) @208VAC187 ~ 229
Nominal Frequency / Range (Hz)60.0 / 57.0~60.5
Power Factor> 0.95
Max. Branch Circuit Over Current Protection (Aac)20
AC Electrical Properties
Number of Maximum AC Modules285W
AC Continous Output Power** @240VAC12ea
AC Continous Output Power** @208VAC11ea
** Power(DC) x Weighted Efficiency(%); Figure above accounts for 5W power tolerance.
CommunicationBroadband PLC
MonitoringWeb Based


Simply choose a support option from the icons below: