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REC Solar 400 400W HJT Bifacial Monocrystalline Solar Panel
REC400NP3 | Heterojunction | 132 Half-Cell | Bifacial | 1000V System Voltage
Product Overview
The REC Solar 400 stands as a premier choice for modern residential energy systems. This high-performance monocrystalline panel delivers 400 watts under standard test conditions. Its innovative Heterojunction (HJT) technology ensures superior efficiency reaching up to 22.3 percent. The bifacial design captures sunlight from both sides, maximizing total energy generation. Manufactured in Singapore, it features 132 half-cut cells in REC's signature Twin design. This construction eliminates Light Induced Degradation entirely for consistent output. The sleek black frame blends perfectly with modern roof aesthetics. It offers a robust 20-year product warranty and 25-year performance guarantee. Homeowners gain reliable power with an impressive temperature coefficient of -0.24 percent per degree Celsius.
Key Benefits
Zero Degradation: HJT technology eliminates Light Induced Degradation completely for full rated power from day one.
Bifacial Efficiency: Captures reflected light from the rear side to boost total energy yield significantly.
Superior Heat Performance: The low temperature coefficient ensures stable output even during intense summer heatwaves.
Compact Design: High power density allows fewer panels to achieve desired system capacity in limited space.
Long Warranty: Enjoy peace of mind with a 20-year product warranty and 25-year performance guarantee.
How It Works
The REC Solar 400 converts sunlight into electricity through advanced heterojunction cell technology. This process combines crystalline silicon with thin amorphous layers for superior electron flow. The bifacial structure captures direct sunlight on the front while utilizing reflected light on the rear. Half-cut cell design reduces internal resistance and minimizes power loss from shading. The Twin design arrangement ensures even current distribution across all 132 cells. This engineering approach guarantees maximum efficiency even under low-light or partial shading conditions. The panel operates reliably across a wide temperature range from -40 to 70 degrees Celsius. Its robust frame protects internal components against harsh weather elements like wind and snow.
Heterojunction Technology: Combines crystalline and amorphous silicon layers to eliminate light-induced degradation entirely. This unique structure delivers higher efficiency and better temperature stability than standard panels.
Bifacial Energy Capture: Generates power from both the front and rear sides of the module. The rear side absorbs reflected sunlight from the ground or roof surface to increase total output.
Half-Cut Cell Design: Reduces internal resistance by cutting standard cells into two smaller pieces. This design minimizes power loss caused by shading and improves overall system reliability.
Technical Specifications
| Max Power (Pmax) | 400 Wp |
| Panel Efficiency | 22.3 % |
| Cell Technology | Heterojunction (HJT) |
| Cell Count | 132 Half-Cell |
| Voltage at Max Power (Vmpp) | 48.8 V |
| Current at Max Power (Impp) | 8.2 A |
| Open Circuit Voltage (Voc) | 58.9 V |
| Short Circuit Current (Isc) | 8.73 A |
| Power Tolerance | -3 ~ +3 % |
| Temperature Coefficient Pmax | -0.24 %/°C |
| Nominal Operating Temp | 44 ± 2 °C |
| Operating Temp Range | -40 to 70 °C |
| Max System Voltage | 1000 V |
| Dimensions (H/W/D) | 1730 x 1118 x 30 mm |
| Weight | 21.5 kg |
| Glass Type | Anti-reflection Coating |
| Glass Thickness | 3.2 mm |
| Frame Type | Anodized Aluminium, Black |
| Junction Box Protection | IP 68 |
| Connector Type | MC4 |
| Cable Crosssection | 4 mm² |
| Series Fuse Rating | 25 A |
| Degradation Rate (25 Years) | 92 % Minimum |
Certifications & Compliance
Certifications: IEC 61215, IEC 61730, RoHS Compliant, CE Certified
Inverter Compatibility: Compatible with all major string inverters including SMA, Fronius, and SolarEdge
Environmental: Lead-free manufacturing, Zero Light Induced Degradation, Low temperature coefficient
Warranty: 20-Year Product Warranty, 25-Year Performance Warranty (92% minimum power output)
Documentation
Product Datasheet (PDF)● Available | Contact us for lead time and pricing
| SKU | PES-SPS-SOL-14926 |
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| Manufacturer | PES Supply |
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