DSNM Solar Panel Back Contact 440W-450W
High efficiency dual-glass bifacial N type solar module

DSNM 440~450 Series – High-Efficiency Solar Modules for Distributed and Utility Applications
Engineered for the distribution market, the DSNM 440~450 modules offer a sleek all-black design for a modern, elegant aesthetic-perfectly blending form and function. These modules deliver exceptional energy output with top-tier efficiency, making them an ideal choice for high-performance solar systems.
Incorporating cutting-edge gettering and microcrystalline silicon (µc-Si) technology, DS Technology enhances cell efficiency and overall module power, ensuring greater energy production over the long term.
Up to 95% Bifaciality for Higher Energy Yield
Designed with a naturally symmetrical bifacial structure, these modules capture additional sunlight from the rear side, significantly boosting total energy output.
Durable and Weather-Resistant with PIB Sealing
Integrated with PIB-sealed frame coatings, the modules meet IEC salt-mist corrosion resistance standards up to Level 8, offering long-lasting durability even in harsh environments.
Optimized for Utility-Scale Projects
With lower balance of system (BOS) costs and reduced levelized cost of electricity (LCOE), the DSNM 440~450 series is a smart choice for utility-scale installations aiming for higher ROI and long-term reliability.

IEC 61215, IEC 61730, UL 61730 ISO9001:2015: ISO Quality Management System
ISO14001: 2015: ISO Environment Management System
ISO45001: 2018: Occupational Health and Safety
IEC62941: Guideline for module design qualification and type approval

|
|
182*91 Mono |
|
1722*1134*30 |
|
|
20.8 |
|
| 4 | |
| No. of Cells & Connections |
108 (6*18) |
| No. of Diodes | 3 |
| Max. System Voltage (V DC) | DC1500V (IEC) |
| -40~+85 | |
| Max. Series Fuse Rating (A) | 25 |
| 0~+3% | |
| Max. Wind Load / Max. Snow Load (Pa) | 2400 / 5400 |
| 100% Free | |
|
|
45±2 |
| IP68 |

| DSNM 440 | DSNM445 | DSNM450 | ||
|---|---|---|---|---|
|
AM1.5, 1000W/㎡ Cell Temperature 25℃ |
Max. Power at STC (Pmpp/W) | 440 | 445 | 450 |
| Max. Power Voltage (Vmp/V) | 33.56 | 33.76 | 33.96 | |
| Max. Power Current (Imp/A) | 13.12 | 13.19 | 13.27 | |
| 39.83 | 40.03 | 40.23 | ||
| 14.15 | 14.23 | 14.31 | ||
| 22.5 |
22.8 |
23.0 | ||
|
AM1.5, 800W/㎡, Ambient Temperature 20℃, Wind Speed 1m/s |
Max. Power at NOCT (Pmpp/W) | 329 | 333 | 337 |
| Max. Power Voltage (Vmp/V) | 30.62 | 30.81 | 30.99 | |
| Max. Power Current (Imp/A) | 10.75 | 10.82 | 10.88 | |
| 37.40 | 37.58 | 37.77 | ||
| 11.43 | 11.49 | 11.55 | ||
| 36 | |
| 9 | |
| 943 | |
| -0.230 %/℃ | |
| 0.040 %/℃ | |
| -0.290 %/℃ |
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