The Ameresco Solar 50J is a 50-watt monocrystalline solar panel built for reliable, off-grid performance in extreme environments. Featuring robust construction and certified for use in Class I, Division 2 hazardous locations, this 12V module is ideal for oil & gas sites, monitoring equipment, and remote power systems. Its field-accessible junction box, thick scratch-resistant backsheet, and high-transmission glass make it a top choice for industrial-grade solar applications.
Key Features:
- 50W monocrystalline panel with 12V nominal output
- Certified for Class I, Division 2 hazardous locations
- Durable construction with high-strength aluminum frame and tempered glass
- Accessible J-box with screw terminals and cable gland compatibility
- Field-proven in extreme climates including Antarctica and offshore sites
- High reliability diode placement and industry-proven cell interconnections
Ideal Applications:
- Oil & gas infrastructure and field monitoring
- Remote industrial control systems
- Off-grid telecommunications and sensors
- Lighting and security systems
- Hazardous zone power solutions
Electrical Specifications:
| Electrical Characteristics |
| Maximum Power (Pmax) |
50W (STC), 36W (NOCT) |
| Voltage at Pmax (Vmpp) |
17.9V (STC), 15.9V (NOCT) |
| Current at Pmax (Impp) |
2.79A (STC), 2.25A (NOCT) |
| Open Circuit Voltage (Voc) |
22.1V (STC), 20.1V (NOCT) |
| Short Circuit Current (Isc) |
2.90A (STC), 2.35A (NOCT) |
| Module Efficiency |
11.1% |
| Efficiency Reduction @ 200W/m² |
<5% (10.5% efficiency) |
| Nominal Voltage |
12V |
| Power Tolerance |
±10% |
| Limiting Reverse Current |
3.20A |
| Max System Voltage |
50V (NEC) / 1000V (IEC) |
| Max Series Fuse Rating |
8A |
| Temperature Coeff. (Pmax) |
-0.45%/°C |
| Temperature Coeff. (Voc) |
-0.360%/°C |
| Temperature Coeff. (Isc) |
+0.105%/°C |
| Nominal Operating Cell Temp (NOCT) |
47 ±2°C |
Mechanical Specifications:
| Mechanical Data |
| Dimensions |
839 x 537 x 50 mm (33.0 x 21.1 x 2 in) |
| Weight |
6 kg (13.2 lbs) |
| Solar Cells |
72 crystalline silicon cells |
| Front Cover |
3.2mm high-transmission tempered glass |
| Backsheet |
White polyester |
| Frame |
Silver anodized aluminum |
| Diodes |
2 Schottky bypass diodes |
| Junction Box |
IP65 with 4-terminal screw block; accepts PG13.5, M20 conduit or 6–12mm cable |
Certifications:
- UL 1703 / ULC ORD-C1703 (by Intertek ETL)
- IEC 61215 / 61730, EN 61215 / 61730
- CSA C22.2 No. 213, Class I Division 2 Groups A, B, C, D
- ISO 9001 Certified Manufacturing
- Conforms with EU Directive 2006/95/EC
Warranty:
- 2-year workmanship and material warranty
- 12-year minimum 90% power output guarantee
- Optional 25-year performance warranty available
