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The Cable Branch Box is a robust and reliable power distribution device designed for branching, connecting, and switching circuits in medium and low-voltage power distribution networks. Serving as a critical node in power distribution systems, it enables efficient cable tapping and transfer, simplifying urban cable network systems while reducing overall investment costs.
Available in both low-voltage (400V/690V) and high-voltage (10kV–35kV) configurations, our cable branch boxes are engineered for outdoor, indoor, and underground installations. Whether you are upgrading an urban power grid, developing a residential community, or building an industrial facility, our cable branch boxes deliver the performance, safety, and durability you need.
Parameter | Low-Voltage Series | Medium/High-Voltage Series |
|---|---|---|
Rated Voltage | 400V / 690V | 10kV – 35kV |
Rated Current | 100A – 2000A | 200A – 1250A |
Rated Frequency | 50Hz / 60Hz | 50Hz |
Short-Time Withstand Current | – | 16kA – 50kA |
Power Frequency Withstand Voltage | – | 42kV – 80kV |
Lightning Impulse Withstand Voltage | – | 75kV – 185kV |
Protection Level | IP44 – IP68 | IP33 – IP68 |
Enclosure Material | SMC Composite / Steel / Stainless Steel | SMC Composite / Steel / Stainless Steel |
Our cable branch boxes feature a fully sealed, fully insulated structure that ensures safe and reliable operation. The complete sealing provides excellent protection against dust, moisture, and corrosion, making these units ideal for harsh outdoor environments.
Designed for long-term stable performance with minimal maintenance requirements, our cable branch boxes significantly reduce operational costs and downtime. The maintenance-free design is especially valuable for grid operators managing large-scale distribution networks.
Supporting single-to-multi-way branching configurations, our cable branch boxes can be customized to meet diverse wiring requirements. Available in 1-in-1-out, 1-in-2-out, and 1-in-multi-out configurations, the boxes can be equipped with load switches, circuit breakers, fuses, and other protective devices as needed.
Engineered to withstand extreme conditions, our cable branch boxes operate reliably in temperatures ranging from -30°C to +40°C, with excellent resistance to wind, humidity, and seismic activity. The corrosion-resistant enclosure ensures long service life even in coastal, high-pollution, and high-humidity environments.
With a compact structure and small footprint, our cable branch boxes are easy to install in space-constrained locations. The low-profile design blends harmoniously with surrounding environments, making them suitable for public spaces and urban settings.
Equipped with "five-prevention" safety features, live-line displays, and optional fault indicators, our cable branch boxes ensure safe operation and provide reliable personal protection for installers and maintenance personnel.
Our cable branch boxes are widely used across various power distribution scenarios:
Urban Power Grids – Cable transformation and network reconstruction projects
Residential Communities – Power distribution for high-rise buildings and housing complexes
Industrial Parks & Factories – Reliable power supply for manufacturing facilities
Commercial Centers – Distribution for shopping malls, office buildings, and business districts
Infrastructure Projects – Mining, airports, railways, harbors, and power stations
Renewable Energy – Solar and wind power infrastructure
Smart Cities – Underground cable networks and intelligent distribution systems
Customize your cable branch box with a range of optional accessories:
Accessory | Function |
|---|---|
Load Switch | Enables circuit switching and isolation |
Circuit Breaker | Provides overload and short-circuit protection |
Fuse | Offers additional circuit protection |
Surge Arrester | Protects against lightning and overvoltage |
Live-Line Indicator | Visual indication of energized status |
Short-Circuit Fault Indicator | Quick fault point location |
Display Panel | Real-time status monitoring |
Our cable branch boxes are manufactured to the highest quality standards:
Compliant with International Standards – IEC 62271-200, IEC 60439-5, IEC 60529
CE Certified – Meeting European safety and performance requirements
ISO 9001 Certified – Rigorous quality management systems
100% Testing – Full dielectric and thermal performance testing on every unit
Full Traceability – Complete batch traceability for quality assurance
Our cable branch boxes support multiple installation methods to suit your specific site requirements:
Mounting Type | Description |
|---|---|
Floor Mount (Ground) | Standard outdoor installation on prepared foundations |
Wall-Mounted | Space-saving installation on building walls |
Pole-Mounted | Installation on utility poles for overhead distribution |
Underground | Buried installation for concealed distribution networks |
Decades of Manufacturing Expertise – Proven reliability with millions of installations worldwide
Strong Weathering Resistance – Adapts to extreme environments including coastal, high pollution, high temperature, and high humidity
High Reliability – Reduces the risk of grid failures and lowers maintenance costs
International Standards Compliance – Meets the requirements of European, Middle Eastern, and Southeast Asian markets
Professional Technical Support – 85+ engineers with over 20 years of experience, 24/7 service availability
Rapid Emergency Response – Average emergency response time of less than 12 hours
To place an order or request a quotation, please provide the following specifications:
Voltage Level – Low-voltage (400V) or High-voltage (10kV–35kV)
Rated Current – Required amperage
Configuration – Number of incoming and outgoing circuits
Enclosure Material – SMC composite, steel, or stainless steel
Mounting Type – Floor, wall, pole, or underground
Optional Accessories – Load switch, circuit breaker, fuse, surge arrester, indicators, etc.
Protection Level – Required IP rating
Phone/whatsapp: +86 19518189808
Email: sagepowerrachel@gmail.com
