JA Solar JAM54-S31-405MR 405W All Black Solar Panel

About This Product

The JA Solar JAM54-S31-405MR 405W All Black Solar Panel is a monocrystalline solar module designed for residential rooftop and small commercial solar installations. Part of JA Solar’s JAM54-S31 series, this 405W panel uses Mono PERC cell technology to convert sunlight into electricity. Its black frame and black backsheet provide a uniform appearance for installations where roof aesthetics matter. The module is designed for use with compatible grid-tied solar inverters and features factory-fitted MC4-EVO2 connectors for professional installation.

Who This Product Suits

The JA Solar JAM54-S31-405MR is suitable for homeowners, solar contractors, and electrical installers looking for a 405W monocrystalline panel with an all-black appearance. It is a practical option for residential rooftop arrays, solar system expansions, and smaller commercial installations where module compatibility and consistent power output are important. Installers should confirm electrical compatibility with the selected inverter, mounting equipment, and existing solar modules before installation. All system designs should comply with applicable NEC requirements and local electrical codes.

Specifications Explained

• 405W Rated Output: Provides 405 watts of nominal DC power under standard test conditions.
• Mono PERC Technology: Uses monocrystalline silicon cells with passivated emitter and rear cell technology to improve light conversion efficiency.
• 54-Cell Configuration: Uses a 54-cell module architecture suited to modern residential solar array designs.
• All-Black Appearance: Black aluminum frame and black backsheet provide a consistent rooftop appearance.
• 1500V DC Maximum System Voltage: Supports appropriately designed DC string configurations within the module’s electrical ratings and applicable NEC requirements.
• MC4-EVO2 Connectors: Factory-fitted connectors support secure DC connections when used with approved compatible mating connectors.
• 12-Year Manufacturer Warranty: Includes a manufacturer product warranty covering eligible defects under the applicable warranty terms.
• 25-Year Linear Performance Warranty: Includes a linear power performance warranty with a stated annual degradation rate of 0.55%, subject to the manufacturer’s warranty conditions.

Summary

The JA Solar JAM54-S31-405MR combines 405W output, Mono PERC technology, and an all-black design in a module intended for professionally installed solar systems. With a 1500V DC maximum system voltage rating, factory-fitted MC4-EVO2 connectors, and manufacturer-backed product and performance warranties, it offers a straightforward option for residential and small commercial solar projects. Correct inverter matching, string design, and NEC-compliant installation remain essential for reliable operation.

Further Information From The Manufacturer

This product is in the process of transitioning to the SKU: JA Solar : JA-JAM54-D41-440MB ***Closeout Policy Applies To This Item*** JA Solar 405w Mono PERC 54 cell module, 1200mm cables with MC4 connectors. Black Frame, Black Backsheet. ***This item is not eligible for return/refund*** This product is supplied with MC4-EVO2 connectors.

Specifications

About JA Solar

JA Solar is a major global photovoltaic manufacturer known for vertically integrated production and large-scale supply into residential, commercial and utility markets. The brand has built a strong reputation around consistent module quality, bankability and broad product availability.

JA Solar panels are widely used in the U.S. market because they offer a practical balance of performance, scale and installer familiarity. Their module lineup typically emphasises efficient cell technology, dependable output and competitive project economics.