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Model AS400M6-72 | Monocrystalline PERC | 72 Full-Cell 6" | Monofacial | 1500V System Voltage
The Amso Solar AS400M6-72 400W monocrystalline solar panel is engineered for stable, high-efficiency power generation in residential, commercial, and light industrial projects. With a maximum power output of 400 Wp and panel efficiency up to 20.2%, this 72-cell module delivers strong energy yield even where roof or ground space is limited. Monocrystalline PERC cells support reliable performance across a wide temperature range from -40°C to 85°C. A robust anodized aluminium frame, 3.2 mm tempered glass, and IP68-rated junction box offer long-term durability in harsh outdoor environments. The module is designed for 1500 V systems and integrates easily with modern string inverters and mounting structures. It suits both new installations and system upgrades where dependable output, predictable performance, and straightforward installation are required.
High power density for limited space: The 400 Wp rating and up to 20.2% efficiency allow more energy production from each panel, helping maximise output on compact rooftops and constrained ground mounts.
Reliable performance in varied climates: With an operating temperature range from -40°C to 85°C and a Pmax temperature coefficient of -0.4%/°C, performance remains stable in hot summers and cold winters.
Durable construction for long service life: A 3.2 mm tempered glass front, anodized aluminium frame, and IP68 junction box help protect the module against moisture, dust, and mechanical stress, supporting long-term reliability.
Compatible with modern 1500 V systems: The 1500 V maximum system voltage and MC4 connectors make integration with contemporary inverters, string designs, and balance-of-system components straightforward.
Proven 12-year product warranty: A 12-year product warranty from Amso Solar Technology Co., Ltd. provides confidence in build quality and long-term energy production for your project.
The AS400M6-72 solar panel converts sunlight into electrical energy using high-efficiency monocrystalline PERC cells connected in a 72-cell configuration. When sunlight reaches the cell surface, photons are absorbed and generate an electric charge inside the silicon material. This charge is collected and routed through internal busbars, creating direct current electricity at the panel terminals. Under standard test conditions the module delivers up to 400 Wp, with a voltage at maximum power of 39.5 V and a current at maximum power of 10.13 A. An open-circuit voltage of 48.5 V and short-circuit current of 10.51 A help ensure robust string performance. The generated DC power is then supplied via MC4 connectors to system wiring, where an inverter converts it into usable AC power for on-site loads or grid export.
Monocrystalline PERC energy conversion: Each of the 72 monocrystalline cells is designed to absorb light efficiently and minimise internal resistance. PERC technology improves light capture and boosts conversion efficiency, especially under strong irradiance.
Electrical output and system integration: At maximum power, the module operates around 39.5 V and 10.13 A, supporting flexible string sizing within 1500 V systems. MC4 connectors create secure, low-resistance links between modules and string wiring for dependable DC collection.
Thermal behaviour and outdoor durability: Temperature coefficients of -0.4%/°C for Pmax and -0.29%/°C for Voc limit performance loss as cell temperatures rise. The module continues operating between -40°C and 85°C, while tempered glass, anodized framing, and an IP68 junction box guard the electrical system against weather exposure.
| Brand / Manufacturer | Amso Solar Technology Co., Ltd. (China) |
| Model | AS400M6-72 |
| Module Type | Monocrystalline PERC, 72-cell, monofacial |
| Power Range | 390 – 400 Wp |
| Maximum Power (Pmax) | 400 Wp |
| Module Efficiency | 19.7% – 20.2% |
| Voltage at Maximum Power (Vmpp) | 39.5 V |
| Current at Maximum Power (Impp) | 10.13 A |
| Open-Circuit Voltage (Voc) | 48.5 V |
| Short-Circuit Current (Isc) | 10.51 A |
| Typical Cell Temperature | 45 ± 2 °C |
| Operating Temperature Range | -40 °C to +85 °C |
| Temperature Coefficient of Pmax | -0.4 % / °C |
| Temperature Coefficient of Voc | -0.29 % / °C |
| Temperature Coefficient of Isc | +0.05 % / °C |
| Maximum System Voltage | 1500 V DC |
| Series Fuse Rating | 15 A |
| Cell Count and Size | 72 cells, 6" monocrystalline silicon |
| Panel Dimensions (H × W × D) | 1980 × 996 × 35 mm |
| Weight | 21 kg |
| Front Glass | 3.2 mm tempered glass |
| Frame Material | Anodized aluminium alloy |
| Junction Box Protection Class | IP68 |
| Connector Type | MC4 compatible |
Certifications: Designed to meet leading IEC standards for safety and performance (typical for tiered monocrystalline modules; refer to datasheet for exact listings).
Inverter Compatibility: Suitable for most modern string and central inverters that support 1500 V DC systems and MC4 terminations. Always verify final string design against inverter limits.
Environmental: Built with IP68 junction box, tempered glass, and anodized frame for long-term outdoor exposure in diverse climates when correctly installed.
Warranty: 12-year product warranty provided by Amso Solar Technology Co., Ltd., subject to manufacturer terms and installation guidelines.
● Available | Contact us for lead time and pricing
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