A waterproof cable junction box is an essential protective enclosure designed to house and secure electrical cable connections in various environments. At SpringOptic, our junction boxes are crafted using high-quality ABS plastic, providing a strong, impact-resistant, and weatherproof solution ideal for both indoor and outdoor applications. These enclosures ensure safety, durability, and functionality in complex wiring systems, especially where moisture, dust, or corrosive elements are present.
1. Product Overview
SpringOptic's waterproof cable junction boxes offer a comprehensive solution for electrical wiring protection. Whether you're setting up lighting systems in gardens, managing underground wiring networks, or securing terminals in industrial facilities, these IP-rated junction boxes deliver exceptional sealing performance and long-term reliability.
Constructed with ABS plastic housing and PVC gaskets, these enclosures are lightweight, easy to install, and offer superior insulation. They are engineered to meet IEC60529 standards, with IP55 and IP65 waterproof ratings and IK07 impact resistance, ensuring optimal performance in demanding environments.
2. Key Features
Waterproof Sealing Ring
Each junction box includes a sealing ring made of polyurethane (PU) material, reinforced with sealing ribs to enhance waterproofing. This design offers excellent corrosion resistance and protects internal connections from moisture and contaminants, making it perfect for outdoor cable enclosures.
Built-in Mounting Hole Design
The cover is fitted with pre-drilled small holes, allowing for the use of self-tapping screws. This design simplifies the installation process, enabling fast and secure closure even in tight spaces.
Pre-drilled Openings with Gaskets or Reserved Ports
Multiple pre-drilled cable entry holes are distributed around the enclosure body, each equipped with waterproof cable grommets (gaskets) to maintain a high sealing level. For models marked with "-A", reserved unopened ports are provided to allow customization according to cable routing requirements.
Sturdy Mounting Posts
Several mounting posts are integrated into the bottom of the box to support installation of circuit boards, DIN rails, and terminal blocks. The internal screw-nut structure offers solid mechanical support and ensures all internal components are safely fixed.
Easy Wall Installation
Installation is as simple as nailing or screwing the enclosure onto the wall, then securing the cover with screws. No special tools are required, making it a preferred choice for electricians, technicians, and DIY users.
3. Wide Range of Applications
Thanks to their excellent waterproof, dustproof, and impact-resistant properties, these ABS electrical enclosures are widely used in:
Home wiring systems
Outdoor lighting projects
Underground electrical cable management
Industrial automation and control equipment
Agricultural irrigation systems
Telecom and communication junctions
Whether it's a small cable junction box for garden lights or a large IP65 enclosure for industrial panels, our product line covers all needs.
4. Technical Specifications
| Material | ABS Plastic |
| Gasket Material | PVC |
| Waterproof Rating | IP55 / IP65 |
| Impact Resistance | IK07 |
| Standard Compliance | IEC60529 |
| Insulation Performance | High |
| Lifespan | Long-term usage in various environments |
5. Product Model Variants
We offer a wide range of ABS waterproof junction boxes, available in various sizes, port configurations, and sealing options. All models come with either pre-installed gaskets or reserved unopened ports.
| Model | Size (mm) | IP Rating | Cable Ports | Port Diameter (mm) | Sealing Type |
|---|---|---|---|---|---|
| CB-50X50mm | 50×50 | IP55 | 4 | 25 | With 4 gaskets |
| CB-80X50mm | 80×50 | IP55 | 4 | 25 | With 4 gaskets |
| CB-80X80X50mm | 80×80×50 | IP55 | 4 | 25 | With 4 gaskets |
| CB-80X80X50mm-A | 80×80×50 | IP55 | 4 | 25 | Reserved unopened ports |
| CB-85X85X50mm | 85×85×50 | IP55 | 7 | 25 | Reserved unopened ports |
| CB-85X85X50mm-A | 85×85×50 | IP55 | 7 | 25 | With 7 gaskets |
| CB-100X100X70mm | 100×100×70 | IP65 | 7 | 25 | With 7 gaskets |
| CB-150X110X70mm | 150×110×70 | IP65 | 10 | 25 | With 10 gaskets |
| CB-150X150X70mm | 150×150×70 | IP65 | 8 | 25 | With 8 gaskets |
| CB-150X150X70mm-A | 150×150×70 | IP65 | 8 | 25 | Reserved unopened ports |
| CB-200X100X70mm | 200×100×70 | IP65 | 8 | 25 | With 8 gaskets |
| CB-200X155X80mm | 200×155×80 | IP65 | 10 | 36 | With 10 gaskets |
| CB-200X200X80mm | 200×200×80 | IP65 | 12 | 36 | With 12 gaskets |
| CB-255X200X80mm | 255×200×80 | IP65 | 12 | 36 | With 12 gaskets |
| CB-255X200X120mm | 255×200×120 | IP65 | 12 | 36 | With 12 gaskets |
| CB-300X250X120mm | 300×250×120 | IP65 | 12 | 36 | With 12 gaskets |
| CB-400X350X120mm | 400×350×120 | IP65 | 16 | 36 | With 16 gaskets |
5. Photos
| Model | Photo | Photo | Sealing Type |
|---|---|---|---|
| CB-50X50mm |  |
 |
With 4 gaskets |
| CB-80X50mm |  |
 |
With 4 gaskets |
| CB-80X80X50mm |  |
 |
With 4 gaskets |
| CB-80X80X50mm-A |  |
 |
4 unopened reserved ports |
| CB-85X85X50mm |  |
 |
7 unopened reserved ports |
| CB-100X100X70mm |  |
 |
With 7 gaskets |
| CB-150X110X70mm |  |
 |
With 10 gaskets |
| CB-150X150X70mm |  |
 |
With 8 gaskets |
| CB-150X150X70mm-A |  |
 |
8 unopened reserved ports |
| CB-200X100X70mm |  |
 |
With 8 gaskets |
| CB-200X155X80mm |  |
 |
With 10 gaskets |
| CB-200X200X80mm |  |
|
With 12 gaskets |
| CB-255X200X80mm |  |
 |
With 12 gaskets |
| CB-255X200X120mm |  |
 |
With 12 gaskets |
| CB-300X250X120mm |  |
 |
With 12 gaskets |
SpringOptic's waterproof cable junction boxes combine innovation, quality, and performance in one solution. Whether it's for commercial, residential, or industrial use, our IP65-rated plastic enclosures provide the secure, long-lasting protection your electrical systems demand. Contact us today for more information or to request a sample.
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