Waterproof Junction Box
Secure and protect electrical connections in outdoor PV systems with our IP65-rated, UV and heat-resistant junction boxes.
- IP65 degree of protection against dust and water jets IP65 degree of protection against dust and water jets
- UV-resistant construction for prolonged outdoor exposure UV-resistant construction for prolonged outdoor exposure
- Heat-resistant materials with 650C glow-wire test capability Heat-resistant materials with 650C glow-wire test capability
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Family Catalog
Waterproof Junction Box SKU Pages
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Family Overview
Selection And Application Context
Reliable electrical infrastructure is critical for the performance and safety of outdoor PV systems. Our waterproof junction boxes are specifically designed to address these requirements, offering robust protection for cable routing and terminal junctions. Each box is constructed with materials that support UV and heat resistance, validated by 650C glow-wire test capability, ensuring long-term durability under solar exposure and elevated temperatures.
Available in a wide range of sizes, from compact units suitable for tight spaces to larger enclosures for more extensive wiring, these junction boxes accommodate various installation needs. This versatility allows engineers and specifiers to select the optimal solution for managing and protecting connections within their PV arrays. Selected models are available with CE and RoHS tested configurations, providing compliance assurance for projects across Asia, Europe, South America, Africa, and Oceania.
Our commitment to clear, technical specifications ensures that professionals can confidently integrate these junction boxes into their designs. By providing dependable protection against environmental factors, our products support the operational efficiency and safety of critical PV infrastructure, from distributed rooftop installations to large-scale solar farms.
Selection Guide
How to choose the right enclosure and distribution box
Select by enclosure type, switching requirement, and ingress level.
Step 2: Choose switching requirement
Step 3: Choose accessories
Select one option in each step to preview matched products.
Feature
Why choose our Waterproof Junction Box?
IP65 degree of protection against dust and water jets
IP65 degree of protection against dust and water jets
UV-resistant construction for prolonged outdoor exposure
UV-resistant construction for prolonged outdoor exposure
Heat-resistant materials with 650C glow-wire test capability
Heat-resistant materials with 650C glow-wire test capability
Available in a wide range of sizes for diverse cable management needs
Available in a wide range of sizes for diverse cable management needs
Use Cases
Typical Applications
Utility-scale photovoltaic projects
Suitable for low-voltage distribution and panel integration projects.
Commercial and industrial (C&I) rooftop PV installat...
Best for offices and commercial electrical panels.
Residential distributed photovoltaic systems
Best for homes and basic distribution boards.
Agrivoltaic (agriculture + PV) scenarios
Suitable for low-voltage distribution and panel integration projects.
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TDQ3 Waterproof Junction Box
TDQ3 is part of the Waterproof Junction Box portfolio for low-voltage distribution, connection, and isolation tasks in demanding environments. This model set contains 15 variant option(s), supporting practical adaptation across residential, commercial, and industrial installations.
IP65 high-grade protection, waterproof, dustproof and anti-corrosion. / Through CE and RoHS testing certification. / UV-resistant, heat-resistant, glow wire test temperature 650C.
Best for: Cable branching and terminal protect... / Outdoor conduit and wiring junctions
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TDJK Waterproof Junction Box
TDJK is part of the Waterproof Junction Box portfolio for low-voltage distribution, connection, and isolation tasks in demanding environments. This model set contains 8 variant option(s), supporting practical adaptation across residential, commercial, and industrial installations.
IP65 high-grade protection, waterproof, dustproof and anti-corrosion. / UV-resistant, heat-resistant, glow wire test temperature 650C. / Suitable for outdoor PV systems, including large-scale ground power stations, industrial & commercial rooftops, household distributed PV, and fishery/agrisolar complementary projects.
Best for: Cable branching and terminal protect... / Outdoor conduit and wiring junctions
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TDAG Waterproof Junction Box
TDAG is part of the Waterproof Junction Box portfolio for low-voltage distribution, connection, and isolation tasks in demanding environments. This model set contains 13 variant option(s), supporting practical adaptation across residential, commercial, and industrial installations.
IP65 high-grade protection, waterproof, dustproof and anti-corrosion. / UV-resistant, heat-resistant, glow wire test temperature 650C. / Suitable for outdoor PV systems, including large-scale ground power stations, industrial & commercial rooftops, household distributed PV, and fishery/agrisolar complementary projects.
Best for: Cable branching and terminal protect... / Outdoor conduit and wiring junctions
FAQ
Frequently Asked Questions
What does IP65 mean for a waterproof junction box?
IP65 signifies that the junction box provides complete protection against dust ingress (first digit '6') and protection against low-pressure jets of water from any direction (second digit '5')....
Where are these waterproof junction boxes typically used?
These junction boxes are primarily used in outdoor photovoltaic (PV) systems, including utility-scale solar farms, commercial rooftop installations, residential distributed PV, and agrivoltaic projects. They are essential for...
What environmental conditions can these junction boxes withstand?
Our waterproof junction boxes are constructed with UV-resistant materials to prevent degradation from sunlight and are heat-resistant, with selected components capable of passing a 650C glow-wire test. This...
Are different sizes of waterproof junction boxes available?
Yes, our waterproof junction boxes are available in a wide range of sizes, from compact units suitable for minimal space requirements to larger enclosures designed for more extensive...
What certifications do these waterproof junction boxes hold?
Selected models of our waterproof junction boxes are available with CE and RoHS tested configurations. These certifications indicate compliance with relevant European safety and environmental standards. We do...
Project Inquiry
Find the Right Waterproof Junction Box
Our technical team is ready to assist with product selection and provide detailed specifications for your project requirements.
Not sure which model to choose? Talk to an engineer
Visual References
Family Gallery
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INDUSTRIAL INTEGRITY
STANDARD COMPLIANCE
All components meet IEC 60947-2 and CE certification standards. ISO 9001:2015 certified manufacturing.
OEM/ODM CAPABILITIES
Custom electrical configurations and private labeling for global infrastructure projects.
ENGINEERING ASSETS
Immediate access to 2D/3D CAD models, STEP files, and detailed technical datasheets.
REQUIRE CUSTOM SPECIFICATIONS?
Consult with our lead engineers for a specialized BOM or system architecture review.