
485-505W TOPCon Half-Cut Technology
FX-M866H TOPCon Half-Cut Solar Module 485-505W
Key Advantages
- Half-cut cell technology reduces internal power loss
- 1.6°C lower temperature than conventional modules
- Series-parallel wiring reduces shading loss
- Only 0.2% CTM loss (vs 1% for conventional modules)
- 1500V high system voltage design
- 182mm mono cells with TOPCon technology
- 20.43% to 21.27% module efficiency
- Excellent low-light performance
The FX-M866H series solar modules utilize advanced half-cut cell technology with TOPCon structure, delivering superior performance with reduced power loss and enhanced reliability. With power outputs ranging from 485W to 505W, these modules are ideal for both residential and commercial solar installations.
Electrical Parameters @ STC
| Parameter | 485W | 490W | 495W | 500W | 505W |
|---|---|---|---|---|---|
| Max. Power Output Pmax (W) | 485 | 490 | 495 | 500 | 505 |
| Power Tolerance | ±5W | ±5W | ±5W | ±5W | ±5W |
| Max. Power Voltage Vmp (V) | 38.26 | 38.35 | 38.47 | 38.55 | 38.64 |
| Max. Power Current Imp (A) | 12.68 | 12.78 | 12.87 | 12.97 | 13.07 |
| Open Circuit Voltage Voc (V) | 45.28 | 45.37 | 45.47 | 45.55 | 45.65 |
| Short Circuit Current Isc (A) | 13.53 | 13.63 | 13.74 | 13.85 | 13.96 |
| Module Efficiency (%) | 20.43 | 20.64 | 20.85 | 21.06 | 21.27 |
*STC (Standard Test Condition): Irradiance 1000W/m², Cell Temperature 25°C, Air Mass 1.5, Measurement Tolerance ±3.0%
Available Power Ratings
485W
20.43% Efficiency
490W
20.64% Efficiency
495W
20.85% Efficiency
500W
21.06% Efficiency
505W
21.27% Efficiency
Mechanical & Operational Parameters
| Parameter | Specification |
|---|---|
| Cell Type | Mono 182×91mm |
| Number of Cells | 132pcs (6×22) |
| Dimensions (L×W×H) | 2094×1134×30mm |
| Weight | 25.8kg |
| Frame | Anodised Aluminum |
| Junction Box | IP68, 3 bypass diodes |
| Cable & Length | 4.0mm², 300mm (customizable) |
| Maximum System Voltage | 1000V(DC) / 1500V(DC) |
| Operating Temperature | -40°C to +85°C |
| Max. Series Fuse Rating | 25A |
| Fire Rating | Class C |
| NOCT | 45±2°C |
Temperature Coefficients
- Temperature Coefficient of Pmax: -0.36%/°C
- Temperature Coefficient of Voc: -0.29%/°C
- Temperature Coefficient of Isc: +0.048%/°C
Package Information
- Container (40HQ): 792pcs
- Quantity per Pallet: 36pcs
- Package Size: 2125×1120×1249mm
- Net Weight: 928.8kg
- Gross Weight: 980.8kg
*Specifications are subject to change without prior notice.
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Contact Information
Hangzhou Weltrus New Energy Technology Co., Ltd.
Block D, Ocean International Center
333 Yuanjian Street, Hangzhou
Zhejiang, China
Tel/WhatsApp: +86 13735502672
Email: [email protected]
Website: www.weltrus.com
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