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A solar junction box is an essential component in solar energy systems, serving as the connection point between solar panels and the rest of the electrical system. Typically made from durable materials such as plastic or aluminum, these boxes house electrical connections and protect them from environmental factors. They are designed to ensure safe and efficient energy transfer from the solar panels to the inverter or battery storage systems.
| Material | Plastic or aluminum |
| Ingress Protection Rating | IP65 or higher |
| Operating Temperature Range | -40°C to +85°C |
| Connector Types | MC4 or similar |
| Dimensions | Varies, typically 100mm x 100mm x 40mm |
| Weight | Around 200g to 500g |
When selecting a solar junction box, consider the material and ingress protection rating to ensure durability against environmental conditions. It's important to specify the connector type compatible with your solar panels, as well as the required operating temperature range for your specific application. Additionally, inquire about certifications such as UL or IEC standards to ensure safety and reliability. Quantities may vary based on project size, so be clear about your needs when requesting a quote.
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It connects solar panels to the electrical system and protects connections.
They are typically made from plastic or aluminum.
It indicates the box's ability to withstand dust and water exposure.
No, ensure compatibility with your solar panel connectors, like MC4.
Typically from -40°C to +85°C.
Yes, look for certifications like UL or IEC for safety.