Ameresco Solar 20J 20 Watt, 12V C1D2 Solar Panel
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Description
The Ameresco Solar 20J is a 20-watt monocrystalline solar panel specifically engineered for remote and off-grid applications where reliability is critical. This 12V module is certified for use in Class I, Division 2 hazardous locations, and features a rugged, scratch-resistant backsheet and an accessible junction box for flexible, secure wiring. Ideal for oil & gas monitoring, remote sensors, and harsh-environment field systems, the 20J delivers proven performance from the Arctic to the Outback.
Key Features:
- 20W monocrystalline panel with 12V DC nominal output
- Class I, Division 2 certified for hazardous environments
- Field-accessible J-type junction box with screw terminals and conduit compatibility
- Durable white polyester backsheet provides insulation and physical protection
- High transmission 3.2mm tempered glass and silver anodized aluminum frame
- Tested to UL, CSA, IEC, and European safety and quality standards
Ideal Applications:
- Oil & gas remote monitoring and instrumentation
- Off-grid telemetry and SCADA systems
- Industrial control and environmental sensors
- Hazardous zone lighting and signaling
- Telecom repeater and power backup systems
Electrical Specifications – STC:
| Electrical Data | |
|---|---|
| Maximum Power – Pmax | 20W |
| Voltage at Pmax – Vmpp | 18.2V |
| Current at Pmax – Impp | 1.10A |
| Open Circuit Voltage – Voc | 22.2V |
| Short Circuit Current – Isc | 1.20A |
| Module Efficiency | 9.4% |
| Nominal Voltage | 12V DC |
| Power Tolerance | -0% / +3% |
| Max System Voltage | 50V |
| Max Series Fuse Rating | 3A |
| Efficiency at 200W/m² | <5% reduction |
| Temperature Coeff. of Pmax | -0.45%/°C |
| Temperature Coeff. of Voc | -0.36%/°C |
| Temperature Coeff. of Isc | +0.105%/°C |
| NMOT | 47 ±2°C |
Mechanical Specifications:
| Mechanical Data | |
|---|---|
| Dimensions | 420 x 502 x 50 mm – 16.53 x 19.8 x 2 in |
| Weight | 3.0 kg – 6.6 lbs |
| Solar Cells | 36 monocrystalline cells in series |
| Front Glass | 3.2 mm high transmission tempered glass |
| Backsheet | White polyester |
| Frame | Silver anodized aluminum |
| Junction Box | IP65 rated, 4-terminal screw connection, accepts PG13.5, M20, or 6–12mm cable |
Certifications:
- UL 61730-1 / -2, UL 61215-1 / -1-1 / -2
- CSA C22.2 No. 61730-1 / -2, UL121201, CSA C22.2 No. 213
- Class I, Division 2, Groups A, B, C, D
- IEC 61215, IEC 61730, EN standards, RoHS
- ISO 9001 and ISO 14001 factory certification
Warranty:
- 2-year warranty against defects in materials and workmanship
- 12-year minimum 90% power output guarantee
- Optional 25-year extended power warranty available
Warranty Information
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