Sirius 415W Monocrystalline Monofacial Solar Panel ELNSM54M-HC-415-DC

1350mm Staubli MC4 Connectors

Domestic content: Back sheet, encapsulant, and junction box. This item includes domestic content and, if used in accordance with the provisions set forth by the IRS, may qualify the taxpayer for a Domestic Content Bonus Credit.

The Sirius ELNSM54M-HC-415 is a high-efficiency 415W monocrystalline photovoltaic module engineered with advanced 182 mm silicon wafers, multi-busbar (MBB), and half-cut cell technology to maximize energy production and long-term reliability. Designed as part of the Sirius Monofacial Black Series, this module delivers premium performance, strong low-light response, and sleek all-black aesthetics for residential and distributed generation solar installations. 

With up to 21.25% module efficiency, reduced shading losses, and robust mechanical durability, the ELNSM54M-HC-415 is optimized for rooftop solar systems requiring high power density, long service life, and dependable energy output.

Key Technology

• 182 mm Wafer Technology
  Large-format silicon wafers improve module efficiency and energy production.

• Multi-Busbar (MBB) Technology
  Enhances current collection while reducing resistive losses for improved output.

• Half-Cut Cell Architecture
  Minimizes power loss and improves shade tolerance performance.

• 21.25% Module Efficiency
  High-efficiency design maximizes rooftop energy production in limited installation space.

• Low-Light Performance
  Optimized energy generation during cloudy and low irradiance conditions.

• Enhanced Mechanical Durability
  Rated for 5400 Pa front and rear mechanical load performance.

• PID-Free Design
  Certified resistance against potential induced degradation for reliable long-term operation. 

• Premium All-Black Appearance
  Black anodized aluminum frame provides clean rooftop aesthetics.

Best Uses

• Residential Rooftop Solar Systems
  Ideal for homeowners seeking premium aesthetics and high-efficiency energy production.

• Distributed Generation Projects
  Excellent choice for commercial and distributed solar applications.

• High-Density Solar Installations
  Maximizes power output in space-constrained rooftop installations.

• Long-Term Solar Investments
  Engineered for reliable multi-decade photovoltaic performance.

Warranty

• Product Warranty: 25 Years
• Performance Warranty: 25-Year Linear Power Warranty
• First-Year Degradation: Less than 2%
• Annual Degradation: Less than 0.45% per year
• 25-Year Output: Minimum 87.2% power retention

Product Specifications

High-Efficiency Half-Cut Solar Performance with Premium All-Black Design

The Sirius ELNSM54M-HC-415 combines advanced MBB half-cut cell technology, strong low-light performance, and durable construction—making it an excellent choice for modern rooftop solar systems focused on efficiency, reliability, and aesthetics.

Why Buy From US Solar Supplier

US Solar Supplier is an American-founded company based in Kentucky dedicated to offering top-quality solar components from trusted manufacturers. We provide competitive pricing, dependable inventory, and products backed by warranties you can trust.

Our inventory is updated daily with the latest solar technologies, and our experienced team is ready to assist with product selection, system design, and installation guidance.

Need Assistance?

Have questions before you order? Call 1-800-230-7004 to speak with our knowledgeable support team. We’re here to help with product details, compatibility questions, or purchasing support.