Cable Junction Box Model OKJX-240 – Professional Branch Connection Solution
Xi'an OUKAMU Power Technology Co., Ltd presents the OKJX-240 Cable Junction Box, engineered with 20 years of specialized expertise in branch cable joint technology. This advanced solution features insulated, flame retardant, fire resistant, and waterproof construction suitable for conductor cross-sectional areas ranging from 70~240mm². Operating at a rated voltage of 0.6/1kV, this reusable junction box offers flexible installation positioning that significantly reduces labor costs and time. Complying with international safety standards and GB/T 14048.7-2016, the OKJX-240 delivers low overall cost with exceptional cost performance for infrastructure projects worldwide.
Understanding Cable Junction Boxes in Modern Electrical Systems
An electrical junction box serves as a protective enclosure housing critical wiring connections. These essential components safeguard connection points from environmental hazards and accidental contact. In commercial and industrial applications, junction boxes must meet rigorous specifications to ensure long-term reliability.
The OKJX-240 goes beyond basic protection. It represents innovative cable T-connection technology backed by over 150 national invention patents. Your electrical infrastructure deserves solutions designed for real-world challenges—from harsh weather conditions to demanding installation schedules.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | OKJX-240 |
| Conductor Cross-Sectional Area | 70~240mm² |
| Rated Voltage | 0.6/1kV |
| Protection Rating | IP68 (waterproof & dustproof) |
| Material | High-strength insulating engineering material |
| Reusability | Yes, advanced reusable design |
| Installation Position | Flexible positioning capability |
| Compliance Standards | GB/T 14048.7-2016, International safety standards |
| Fire Performance | Flame retardant, fire resistant |
| Application Environment | Indoor/outdoor, high-humidity, corrosive conditions |
Product Selection
| Product Name | Model | Specification (Conductor Cross-Sectional Area, mm²) | Technical Specifications | ||
| Rated Voltage (kV) | Current Carrying Capacity (A) | Dimensions L×W×H (mm) | |||
| Jointing Box | OKJX-25 | 4~25 | 0.6/1 | 120 | 485×170×90 |
| Jointing Box | OKJX-50 | 10~50 | 0.6/1 | 190 | 540×190×100 |
| Jointing Box | OKJX-95 | 25~95 | 0.6/1 | 290 | 590×215×115 |
| Jointing Box | OKJX-150 | 50~150 | 0.6/1 | 395 | 640×240×135 |
| Jointing Box | OKJX-240 | 70~240 | 0.6/1 | 540 | 700×270×160 |
Core Product AdvantagesQuick Installation and Superior Construction Efficiency
Time is money on your job sites. The modular design enables rapid installation without specialized tools. You'll complete connections faster, reducing on-site labor hours by up to 40% compared to traditional methods. The intuitive structure means your team spends less time reading manuals and more time completing projects.
Outstanding Sealing Performance
Water damage causes costly failures. Our high-performance sealing structure effectively blocks water, dust, and contaminants. The IP68 protection rating ensures your connections remain dry even when submerged. You won't face callback issues from moisture infiltration.
Built for Harsh Environments
Infrastructure doesn't exist in controlled conditions. This Cable Junction Box withstands UV radiation, chemical corrosion, and extreme temperatures. Whether installed in coastal areas with salt spray or industrial zones with chemical exposure, the product maintains integrity for decades.
Reduced Operation and Maintenance Costs
Your maintenance budget matters. Conductors connect securely within terminal slots, ensuring stable operation from day one. The transparent design philosophy makes inspection straightforward. When network expansion becomes necessary, you'll appreciate how easily new branches integrate without replacing existing infrastructure.
Technical Features That Set Us Apart
High-Strength Engineering Materials
The enclosure utilizes premium insulating engineering materials selected for mechanical strength and impact resistance. These materials maintain electrical insulation properties across temperature ranges from -40°C to +85°C. Your installations remain protected regardless of climate conditions.
Genuine IP68 Protection
Many products claim waterproof performance. The OKJX-240 achieves certified IP68 rating through precision manufacturing. The fully sealed design prevents ingress even during temporary submersion. You gain peace of mind knowing connections stay protected during floods or pressure washing.
Universal Cable Compatibility
Every project brings different cable specifications. This junction box accommodates various cable sizes within the 70-240mm² range. The flexible configuration adapts to your on-site requirements rather than forcing you to adapt to product limitations. Branch connections become straightforward regardless of cable combinations.
Flame Retardant and Fire Resistant Construction
Electrical fires create devastating consequences. Our flame retardant materials meet stringent fire safety standards. In the event of electrical faults, the fire resistant properties contain potential hazards, providing critical time for safety systems to respond.
Why Choose OUKAMU Cable Junction Boxes?
Two Decades of Specialized Experience
Since 2007, Xi'an OUKAMU has focused exclusively on cable connection technologies. This specialization translates into products refined through thousands of installations. You benefit from solutions developed through real-world application feedback, not just laboratory testing.
Patent-Protected Innovation
With over 150 national invention patents, our technology represents genuine innovation. The proprietary cable branch connection system enjoys 20-year patent protection, confirming its pioneering status. You're installing globally recognized technology, not commodity products.
Proven Track Record in Major Projects
Our solutions operate in over 10,000 projects including:
- Hong Kong–Zhuhai–Macao Bridge
- Multiple high-speed railway systems
- Metro networks across major cities
- Olympic venues and sports centers
- Hospital and critical infrastructure projects
These demanding applications prove reliability under real-world conditions. Your project joins a legacy of successful installations.
Long-Term Cost Efficiency
The reusable design means you're not purchasing disposable components. When reconfiguration becomes necessary, you can reuse existing junction boxes. This sustainability reduces lifetime costs while supporting environmental responsibility.
Application Scenarios
Construction and Building Infrastructure
Modern buildings require sophisticated electrical distribution. The OKJX-240 Cable Junction Box handles branch connections in commercial towers, residential complexes, and mixed-use developments. Its compact design suits tight electrical rooms while maintaining easy access for maintenance.
Municipal Engineering Projects
Street lighting, traffic systems, and public facilities need reliable connections. The waterproof construction withstands ground-level installations where moisture exposure is constant. Municipalities appreciate the reduced maintenance visits and extended service life.
Transportation Infrastructure
Railways, highways, and tunnels present unique challenges. Vibration, temperature fluctuations, and limited access for maintenance make product selection critical. Our junction boxes deliver stable performance in these demanding conditions, as proven in multiple high-speed rail projects.
Industrial Facilities
Manufacturing plants and processing facilities expose electrical systems to dust, chemicals, and mechanical stress. The corrosion-resistant materials and robust construction maintain connections in environments that quickly degrade inferior products.
Installation Best Practices
While professional installation ensures optimal performance, the OKJX-240 simplifies the process. The flexible installation positioning accommodates various mounting orientations. Conductors connect within clearly marked terminal slots, reducing connection errors.
Always verify cable specifications match the 70-240mm² range before installation. Ensure proper torque when securing connections to maintain reliable contact pressure. The reusable design allows adjustments without compromising seal integrity when properly handled.
FAQ
Q: What makes this product waterproof?
A: The manufacturer-certified IP68 protection rating comes from precision-engineered sealing structures, not aftermarket treatments. High-quality gaskets and carefully designed mating surfaces create watertight barriers. Installation following manufacturer guidelines maintains this protection throughout the product's service life.
Q: Can the OKJX-240 be reused after reconfiguration?
A: Yes, the advanced design specifically enables reuse. Unlike disposable junction boxes, the robust construction and quality materials withstand multiple installations. This feature provides significant cost savings during network expansions or layout modifications.
Q: What cable sizes are compatible with this junction box?
A: The OKJX-240 accommodates conductor cross-sectional areas from 70mm² to 240mm². This range covers most common infrastructure applications. The flexible configuration supports various cable combinations within this specification range.
Q: How does this product reduce installation time?
A: The modular design eliminates complex assembly procedures. Clear terminal identification reduces connection errors. Tool-free or minimal-tool installation speeds on-site work. Contractors report 30-40% time savings compared to traditional junction boxes.
Q: What standards does the OKJX-240 comply with?
A: The product meets GB/T 14048.7-2016 Chinese national standards and international safety standards. These certifications confirm the junction box satisfies rigorous safety, performance, and reliability requirements for professional electrical installations.
Q: Is special maintenance required?
A: Routine visual inspections verify seal integrity and connection tightness. The transparent design philosophy makes inspection straightforward without disassembly. The reliable connection system and quality materials minimize maintenance requirements compared to conventional products.
Q: Can this junction box handle outdoor installations?
A: Absolutely. The UV-resistant materials, waterproof construction, and corrosion resistance specifically target outdoor applications. Temperature tolerance from -40°C to +85°C ensures performance across climate zones.
Q: What distinguishes OUKAMU products from competitors?
A: Twenty years of specialization in branch cable connections, over 150 patents, and proven performance in 10,000+ major projects including national infrastructure. You're choosing refined technology with documented reliability, not untested alternatives.
Contact Us
Cable Junction Box For technical specifications, project consultation, or ordering information, reach our team at info@okmbranchcable.com. We're ready to support your electrical infrastructure needs.















