Generate a Solar Permit Package for a design using ET Solar Group ET-M660255TW (255W)

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This page contains information about the ET Solar Group ET-M660255TW (255W) solar panel. To compare this to other PV modules, click here.

DC Electrical Characteristics

  • STC Power Rating 255W
  • PTC Power Rating 231.84W 1
  • STC Power per unit of area 14.6W/ft2 (156.7W/m2)
  • Peak Efficiency 15.67%
  • Power Tolerances -3%/+5%
  • Number of Cells 60
  • Nominal Voltage not applicable
  • Imp 8.25A
  • Vmp 30.91V
  • Isc 8.88A
  • Voc 37.82V
  • NOCT 45.3°C
  • Temp. Coefficient of Power -0.43%/K
  • Temp. Coefficient of Voltage -0.132V/K
  • Series Fuse Rating 20A
  • Maximum System Voltage 1000V

Mechanical Characteristics

  • Type Monocrystalline Silicon
  • Output Terminal Type Multicontact Connector Type 4
  • Frame Color Clear
  • Backsheet Color data not available
  • Length 64.6in (1,640mm)
  • Width 39.1in (992mm)
  • Depth 1.6in (40mm)
  • Weight 42.6lb (19.3kg)
  • Installation Method Rack-Mounted

Warranty and Certifications

  • 80% Power Output Warranty Period 25yrs
  • 90% Power Output Warranty Period 10yrs
  • Workmanship Warranty Period 10yrs
  • UL Fire Classification data not available
  • Compliances data not available
  • CSI Listed No
  • 1. PTC rating calculated using 45.3°C as the NOCT (Nominal Cell Operating Temperature)

This web page is not the manufacturer's official data sheet and is not endorsed by the manufacturer in any way. For an official data sheet, please go to ET Solar Group's website.