DMEGC DM640G12RT-B66HSW

640 WTOPConStandardWhite BacksheetBifacial 80%132 cells

The DMEGC DM640G12RT-B66HSW is a 640 W solar panel featuring TOPCon cell technology. Below are the verified electrical and thermal specifications extracted from the manufacturer datasheet.

Technical Specifications

Electrical Characteristics (STC)

Peak Power (Pmax): : 640 W
Open-Circuit Voltage (Voc): : 49.47 V
Max Power Voltage (Vmpp): : 41.28 V
Short-Circuit Current (Isc): : 16.42 A
Max Power Current (Impp): : 15.51 A
Number of Cells: : 132

Temperature

Temp. Coefficient Voc: : -0.25 %/°C
Temp. Coefficient Isc: : 0.048 %/°C
Temp. Coefficient Pmax: : -0.29 %/°C
Max System Voltage: : 1,500 V
Nominal Cell Temperature (NOCT): : 42 °C
Cell Technology: : TOPCon
Bifaciality Factor: : 80%
Max Series Fuse: : 30 A
Power Tolerance: : +3%

Physical

Length: : 2,382 mm
Width: : 1,134 mm
Thickness: : 30 mm
Weight: : 32 kg

Datasheet

Download PDF4.3 MB

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Other Models in This Series

Model	Power	Voc	Isc
DM640G12RT-B66HSWCurrent	640 W	49.47 V	16.42 A
DM645G12RT-B66HSW	645 W	49.6 V	16.49 A
DM650G12RT-B66HSW	650 W	49.73 V	16.56 A
DM655G12RT-B66HSW	655 W	49.86 V	16.63 A
DM660G12RT-B66HSW	660 W	49.99 V	16.7 A
DM665G12RT-B66HSW	665 W	50.12 V	16.77 A

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