Ameresco Solar 405M 4.5 Watt, 12V C1D2 Solar Panel
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Description
The Ameresco Solar 405M is a compact 4.5-watt, 12V monocrystalline solar panel engineered for long-lasting off-grid use in remote and hazardous environments. Built for Class I, Division 2 applications, the 405M offers a low-profile design, corrosion-resistant frame, and 15-foot factory-attached cable for reliable and flexible installation. Ideal for low-power industrial and monitoring systems, this module is proven in harsh climates ranging from the Arctic to the desert.
Key Features:
- 4.5W monocrystalline panel for 12V systems
- Certified for Class I, Division 2 hazardous locations
- Factory-sealed Lo-Pro junction box with 15 ft. AWG 18-2 cable
- High-transmission tempered glass and polyester backsheet
- Multimount frame with anti-rotation channel groove
Ideal Applications:
- Oil & gas field monitoring
- Low-power sensors and data loggers
- Security and environmental control systems
- SCADA, RTU, and telemetry support
- Battery maintenance in remote systems
Electrical Specifications:
| Electrical Characteristics | |
|---|---|
| Maximum Power – Pmax | 4.5W – STC, 3.2W – NOCT |
| Voltage at Pmax – Vmpp | 16.5V – STC, 14.7V – NOCT |
| Current at Pmax – Impp | 0.27A – STC, 0.22A – NOCT |
| Open Circuit Voltage – Voc | 20.5V – STC, 18.7V – NOCT |
| Short Circuit Current – Isc | 0.30A – STC, 0.24A – NOCT |
| Module Efficiency | 6.7% |
| Efficiency @ 200W/m² | <5% reduction – 6.3% |
| Nominal Voltage | 12V |
| Power Tolerance | ±10% |
| Max System Voltage | 50V |
| Max Series Fuse Rating | 1A |
| Limiting Reverse Current | 0.30A |
| Temp. Coefficient – Pmax | -0.45%/°C |
| Temp. Coefficient – Voc | -0.360%/°C |
| Temp. Coefficient – Isc | +0.105%/°C |
| NMOT | 47 ±2°C |
Mechanical Specifications:
| Mechanical Data | |
|---|---|
| Dimensions | 251 x 269 x 23 mm – 9.9 x 10.6 x 0.9 in |
| Weight | 0.8 kg – 1.7 lbs |
| Solar Cells | 36 monocrystalline cut cells in series |
| Front Cover | 3.2 mm high-transmission tempered glass |
| Backsheet | White polyester |
| Frame | Silver anodized aluminum multimount |
| Junction Box | Lo-Pro, fully sealed with 15 ft. AWG 18-2 cable – red +, black - |
Certifications:
- UL 1703, ULC ORD-C1703 – Intertek ETL Listed
- FM 3611 / CSA C22.2 No. 213-M1987
- Class I, Division 2, Groups A, B, C, D certified
- ISO 9001 certified manufacturing
Warranty:
- 2-year warranty on materials and workmanship
- 12-year 90% minimum power output guarantee
- Optional 25-year performance warranty available
Warranty Information
1 Review
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Simple and Robust
I've been using these panels for some time. THe only ones I have had go bad, is when it was shot. Works great to keep 12v 7Ah batteries charged. Also has nice mounting channels for simple mounting.