Meyer Burger MB_W120AyB_395 – 395W Half‑Cell Heterojunction Solar Panel

Explore the Advanced Meyer Burger 395W Heterojunction Solar Panel

The Meyer Burger MB_W120AyB_395 offers 395W of power using advanced heterojunction (HJT) technology with SmartWire Connection Technology (SWCT®). Designed in Switzerland and made in Germany, this module delivers industry-leading efficiency and reliability in a refined, all-black frame aesthetic suited for both aesthetic and high-performance installations. 

Key Features

• Premium 395W Output & ~21.5% Efficiency – Maximizes energy yield per square meter 

• 120 Half-Cell HJT with SWCT® – Exceptional cell stability, enhanced safety, and better shade tolerance 

• All-Black Frame & White Backsheet – Combines sleek design with thermal management 

• High Durability – Certified up to 6000 Pa front (downforce) and 4000 Pa rear (uplift) wind/snow load 

• Environmental & Quality Certifications – Includes IEC 61215:2016, IEC 61730, UL 61730, PID (IEC 62804), salt mist (IEC 61701), and more 

• Eco-Conscious & Sustainable – Manufactured without lead or PFAS, using 100% renewable energy 

• Industry-Leading 25‑Year Product & Performance Warranty – Guarantees ≥ 92% output at year 25 with degradation rates under 0.25%/year 

Technical Highlights

• Rated Power (STC): 395 W (0 / +5 W tolerance)

• Efficiency: ~21.5%

• Cell Technology: Heterojunction (Mono HJT) with SmartWire (120 half-cells)

• Voc / Isc: ~44.5 V / ~10.6 A

• Vmp / Imp: ~38.3 V / ~10.3 A

• Max System Voltage: 1000 V DC

• Series Fuse Rating: 20 A

• Temperature Coefficient (Pmax): −0.259% / °C

• Operating Temperature: −40 °F to +185 °F (−40 °C to +85 °C)

• Frame: 35 mm black anodized aluminum; front tempered glass 3.2 mm with anti-reflective surface

• Junction Box: IP68-rated with 3 diodes

• Connector & Cable: MC4 / MC4‑Evo2 etc., 4 mm², 1.2 m length 

Why This Panel Stands Out

• High energy output even in low light or hot climates thanks to HJT + SWCT®

• Long-lasting reliability backed by a robust warranty and low degradation profile

• Sophisticated aesthetic design that enhances curb appeal

• Efficient and streamlined installation, with compact 1767 × 1041 mm footprint for easy handling

• Sustainably manufactured offering premium performance without environmental compromise

Document: Specification Sheet

Innovative Design and Technologies

The Meyer Burger MB_W120AyB_395 is a cutting-edge 395W heterojunction solar panel designed to maximize energy output and reliability. Utilizing half-cell architecture, this panel reduces resistive losses, enhancing overall efficiency. Its heterojunction technology combines crystalline silicon and amorphous silicon layers, significantly improving light absorption and electrical performance. This advanced combination leads to superior conversion efficiency compared to conventional solar panels, making it an ideal choice for both residential and commercial applications.

Exceptional Performance and Durability

This 395W heterojunction solar panel is engineered for outstanding performance under various environmental conditions. The robust build quality includes weather-resistant materials, ensuring durability against heavy snow loads, wind pressure, and moisture ingress. The panel’s low temperature coefficient allows it to maintain high efficiency even on hot days, delivering more consistent energy production. With a long lifespan and a reliable power output warranty, the Meyer Burger panel guarantees long-term value and energy savings.

Easy Installation and Sustainable Benefits

Designed with user convenience in mind, the Meyer Burger MB_W120AyB_395 solar panel features a compact size and lightweight frame for straightforward installation. Its half-cell layout not only improves performance but also reduces shading impact, optimizing energy generation in limited spaces. Utilizing heterojunction technology significantly lowers the carbon footprint of the manufacturing process, aligning with green energy goals. Choosing this 395W heterojunction solar panel supports sustainable energy practices while offering high efficiency and durability for your solar power systems.