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First Solar 450W 6 Series Specifications
| Model | FS-6450 |
| Maximum Power Output | 450W |
| Module Efficiency | 18.2% |
| Voltage at PMAX | 186.8V |
| Current at PMAX | 2.41A |
| Open Circuit Voltage (Voc) | 221.1V |
| Short Circuit Current (Isc) | 2.57A |
| Maximum System Voltage | 1500V DC |
| Operating Temperature | -40°C to +85°C |
| Temperature Coefficient (PMAX) | -0.32%/°C |
| Maximum Series Fuse | 5.0A |
| Cell Technology | CdTe Thin-Film |
| UL Certifications | UL 61730 1500V Listed, UL 1703 1500V Listed |
| Extended Durability Tests | ANSI/CAN/CSA-C450-18, Long-Term Sequential, Thresher Test, PID Resistant |
Complete solar systems engineered for membrane or torch down roofs, standing metal seam, corrugated steel, concrete, flashed or non-flashed composition, tile, metal, and virtually any sloping roof application. Available at competitive wholesale pricing.
First Solar FS-6450 450W Series 6 Solar Panel
SKU FIRST-SOLAR-6-SERIES-450W-PANEL
Series 6™ 450W Thin Film Modules
The First Solar FS-6450 delivers 450W of reliable power output with 18.2% module efficiency, engineered specifically for utility-scale and commercial solar installations. This advanced thin-film CdTe module operates effectively across a wide temperature range from -40°C to +85°C, making it suitable for diverse climate conditions and geographic deployments.
Built with First Solar's proven cadmium telluride technology, the FS-6450 features superior temperature coefficient performance at -0.32%/°C and exceptional low-light performance characteristics. The module is designed for high-voltage system configurations up to 1500V DC, optimizing system efficiency and reducing balance-of-system costs for large-scale installations.
First Solar FS-6450 Series 6 Features
- Exceptional Temperature Performance: Superior -0.32%/°C temperature coefficient maintains high performance in elevated ambient temperatures
- High Voltage Optimization: 1500V DC system capability reduces string counts and installation complexity for utility-scale projects
- Superior Low-Light Response: CdTe technology delivers consistent energy production during early morning, late evening, and overcast conditions
- Environmental Resilience: Wide operating temperature range from -40°C to +85°C ensures reliable performance in extreme climates
- Domestic Manufacturing: Made in USA with comprehensive quality control and Buy America compliance for federal projects
First Solar Domestic Manufacturing
- Made in USA - Manufactured domestically with U.S. and imported materials
- Buy America Compliant - Meets federal procurement requirements for domestic content
- ISO 9001 Quality Management - Comprehensive quality control through certified manufacturing processes
- Advanced Manufacturing - Automated production with real-time quality monitoring and testing
- Domestic Supply Chain - Supports American manufacturing jobs and supply chain independence
- Federal Project Eligibility - Qualified for government and utility projects requiring domestic content
First Solar FS-6450 450W Series 6 Solar Panel Review
The First Solar FS-6450 represents advanced thin-film photovoltaic technology optimized for large-scale commercial and utility applications. With 18.2% module efficiency and 450W power output, this module delivers competitive energy density while maintaining the superior temperature coefficient characteristics inherent to CdTe technology. The high voltage rating of 1500V DC enables system designers to create efficient string configurations that minimize balance-of-system costs.
Engineering highlights include the module's exceptional performance under real-world conditions, where the -0.32%/°C temperature coefficient provides significant advantages over crystalline silicon alternatives in hot climates. The wide operating temperature range from -40°C to +85°C ensures reliable operation across diverse geographic regions, while the proven CdTe technology delivers consistent long-term performance with minimal degradation. Domestic manufacturing provides supply chain security and supports Buy America compliance requirements for federal and utility-scale projects.
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