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Brand range: 175W–645W
Monocrystalline
Hengdian Group DMEGC Magnetics Co., Ltd. DM640G12RT-B66yyy
Max Power
640W
Efficiency
23.7%
Operating V
41.6V
Warranty
30Y
Technical Specifications
| Open Circuit Voltage (Voc) | 49.9V |
| Short Circuit Current (Isc) | 16.33A |
| Voltage at Pmax (Vmp) | 41.6V |
| Current at Pmax (Imp) | 15.39A |
| Temp. Coefficient of Pmax | -0.299%/°C |
| Dimensions | 2111 x 1279 x 35 mm |
| Weight | 33.7kg |
| NOCT | 46.6°C |
| PTC Rating | 608.8W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 88 Hengdian Group DMEGC Magnetics Co., Ltd. models in database
FAQ
What are the dimensions and weight of the Hengdian Group DMEGC Magnetics Co., Ltd. DM640G12RT-B66yyy?
It measures 2111 x 1279 x 35 mm and weighs 33.7kg.
How does temperature affect the Hengdian Group DMEGC Magnetics Co., Ltd. DM640G12RT-B66yyy?
With a temp coefficient of -0.299%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.
What warranty does Hengdian Group DMEGC Magnetics Co., Ltd. provide?
Hengdian Group DMEGC Magnetics Co., Ltd. offers a 30-year warranty for the DM640G12RT-B66yyy, reflecting confidence in long-term durability.
How efficient is the Hengdian Group DMEGC Magnetics Co., Ltd. DM640G12RT-B66yyy?
This panel has 23.7% efficiency, which is high for commercial solar panels.
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This Hengdian Group DMEGC Magnetics Co., Ltd. model ranks among the brand's most efficient panels at 23.7%.
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