Outdoor Cable Distribution Box

Outdoor Cable Distribution Box for Cable Branch & Grid Connection — Fully Sealed, Modular, IP65-Rated Solution

Tailored for harsh and complex outdoor power distribution environments, DSY Outdoor Cable Distribution Box delivers stable and long-lasting power distribution performance for urban cable networks, photovoltaic grid integration and industrial park power systems. Covering rated voltages from 7.2kV to 24kV, rated current ranging from 630A to 1250A and a 4-second short-time withstand current up to 31.5kA, this product fully complies with IEC 62271-200 and GB/T 3906 industry standards. Manufactured with premium stainless steel or SMC composite materials, the enclosure supports IP54 to IP65 sealing grades, ensuring reliable outdoor operation where operational safety, system stability and long-term durability are essential.

What Is This Cable Distribution Box Built For?

This outdoor cabinet acts as a key junction device for medium-voltage outdoor power systems, connecting main feeder networks and multiple branch lines. It is widely applied for urban grid cable branching, photovoltaic grid connection and outdoor power distribution in industrial zones.

Different from ordinary simple junction boxes, this Outdoor Cable Distribution Box adopts a fully insulated and fully enclosed structure with no exposed live parts. It effectively improves on-site operation safety for maintenance personnel and lowers equipment failure risks during daily operation and inspection.

Core Product Features

Fully Sealed, Weather-Resistant Enclosure

The cabinet is made of durable stainless steel or SMC composite material, matched with standard European and American cable connectors. It provides excellent resistance against salt spray corrosion, ultraviolet aging and moisture penetration. With IP54 to IP65 high-level protection, it maintains stable performance in coastal, high-humidity and open-air harsh environments.

Five-Proof Interlocking as Standard

Each unit is equipped with a complete five-proof mechanical interlocking system and reliable shell grounding structure as standard. Optional live display devices and fault indicators can be configured to further eliminate operational risks and improve overall safety for outdoor maintenance work.

Modular Circuit Architecture

Featuring a flexible modular circuit design, the incoming and outgoing circuit quantities can be freely adjusted according to actual project demands. It supports both simple dual-loop layout and multi-branch complex configuration, requiring no overall structural modification for adaptive upgrades.

Compact and Easy to Install

The compact cabinet footprint adapts to multiple installation methods including pole-mounted, wall-mounted and ground-mounted installation. It simplifies on-site construction procedures and effectively shortens project commissioning cycles.

Technical Specifications

Quality Control and Testing

All products undergo strict standardized quality inspection and full-performance testing before delivery to guarantee reliable field operation. Core testing items are as follows:

Ingress Protection Test — Verifies dustproof and waterproof performance to meet rated IP protection standards

Salt Spray Test (ASTM B117) — Validates corrosion resistance for coastal and saline environment applications

UV Aging Test — Ensures structural and material stability under long-term outdoor sunlight exposure

IK Impact Test — Verifies mechanical durability against external physical impact

Cable Retention Test — Prevents internal connection displacement caused by external cable tension

Electrical Continuity & Grounding Test — Standard mandatory test for all metal enclosure equipment

A complete set of type test reports and professional technical drawings will be delivered with every order.

Application Scenarios

Engineered for diversified outdoor power distribution demands, the Outdoor Cable Distribution Box delivers targeted and reliable solutions for multiple core scenarios.

Urban Distribution Network Cable Branching

It realizes stable branching connection between medium-voltage feeder cables and multiple branch circuits for urban power grids. Its compact size makes it ideal for installation in urban underground substations, roadside facilities and urban ring network systems.

Photovoltaic Grid Connection

For solar power generation projects, it serves as the core connection unit between PV inverter output terminals and grid-side distribution networks. The fully insulated structure effectively reduces operational risks in high-frequency DC-AC conversion systems.

Industrial Park Outdoor Power Distribution

It meets the flexible and scalable power distribution demands of large industrial parks. The modular circuit design supports free capacity expansion with project upgrading, avoiding overall equipment replacement and saving renovation costs.

Customization and Smart Upgrade Options

DSY supports full personalized customization to match your project’s actual parameters, including cabinet dimensions, internal circuit configuration and enclosure material selection.

For smart grid projects, the cabinet can be upgraded with optional fault location modules and remote intelligent monitoring systems, realizing real-time equipment status monitoring and rapid fault response.

We also provide professional OEM customized services for system integrators and EPC contractors to meet project-specific configuration and brand customization needs.

Why Choose DSY Switchgear?

Established in 2005, Shenzhen Dongshengyuan Electrical Equipment Co., Ltd. is a professional power equipment manufacturer with RMB 50.6 million registered capital. The company has a 200-member team, including 40 professional and technical personnel, accounting for 20.8% of the total staff. Owning more than 60 independent technical patents and holding qualified supplier certification for State Grid and China Southern Power Grid, DSY has rich manufacturing experience and strong technical strength to guarantee high-quality products for every project.

Frequently Asked Questions

Q1: What are the main applications of this outdoor cable distribution box?

A: It is mainly used for medium-voltage cable branching of urban power grids, photovoltaic grid connection and outdoor power distribution in industrial parks, acting as a stable junction between main feeder cables and branch circuits.

Q2: What protection grade and environmental adaptability does the enclosure have?

A: It supports IP43 to IP65 protection grades. Adopting stainless steel and SMC materials, it resists salt spray, UV aging and dust erosion, suitable for coastal, high-humidity and outdoor industrial environments.

Q3: What standard safety configurations does the equipment have?

A: It is equipped with a standard five-proof mechanical interlocking system and reliable shell grounding. Optional live display devices and fault indicators are available to enhance operational safety.

Q4: Can the internal circuit quantity be adjusted?

A: Yes. The modular circuit design allows flexible adjustment of incoming and outgoing circuit numbers to adapt to different cable branching requirements without overall cabinet redesign.

Q5: Is personalized customization supported?

A: Customization is available for cabinet size, material and circuit layout. It also supports intelligent upgrades such as remote monitoring and fault location modules to meet diverse project needs.

Q6: What technical documents and support can be provided?

A: Each order is equipped with complete type test reports and technical drawings, paired with professional on-site installation guidance and full-cycle remote after-sales technical support.

Get in Touch

If you are looking for high-quality, durable and customizable Outdoor Cable Distribution Box for your power distribution projects, feel free to contact our professional team for one-on-one technical consultation and accurate project quotation. Email us at [email protected].