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A fully insulated and sealed cable branch box for flexible 10kV cable distribution networks and urban grid reconstruction.
Designed for electrical distribution systems that require stable operation, clear circuit protection, and practical installation for industrial, commercial, utility, and infrastructure projects.
Dongfang Electric Power (Shandong) Co., Ltd. supports product selection by voltage level, rated current, installation environment, cabinet structure, cable connection method, and project documentation needs.
American Style Cable Branch Box
Product Overview
The American style cable branch box is a power distribution engineering device widely used in North American power distribution systems. It has a single-sided door, horizontal multi-way busbar, flexible combination, high width, full insulation and full sealing. The rated current is generally divided into a 630A main circuit and a 200A branch circuit. The 630A main circuit uses a screw-in bolted fixed connection; the 200A branch circuit uses a plug-in connection and can be load-plugged. The cable connectors comply with IEEE386.
Functions and Features
| Feature 1 | Fully insulated and fully sealed structure; no insulation distance is required, ensuring personal safety. |
|---|---|
| Feature 2 | Dustproof, flood-resistant, corrosion-resistant, maintenance-free, and suitable for above-ground and underground installation in harsh environments. |
| Feature 3 | Flexible combination and wiring schemes, meeting multiple wiring requirements with convenient installation and operation. |
| Feature 4 | Small size, compact structure, small footprint, low height and neat appearance compatible with surrounding environments. |
| Feature 5 | The 200A branch cable connector can be used as a load switch with load-plugging and also has isolating switch function. |
| Feature 6 | Short-circuit fault indicators can be installed to quickly detect cable faults. |
| Feature 7 | Simplifies cable network systems and saves investment. |
Main Application
It is widely used in urban industrial parks, residential communities, commercial centers and densely populated urban areas, as well as grid reconstruction projects for mining, steel, automotive, petroleum, chemical and cement enterprises.
Model Description
| DF W | High-voltage cable branch box for outdoor installation |
|---|---|
| 12A | Rated voltage and American structure |
| Rated Current | 600A or 200A |
| Incoming / Outgoing Circuits | Number of incoming and outgoing circuits |
| B | With lightning arrester |
Main Technical Parameters
| Rated Voltage | 12kV |
|---|---|
| Rated Current | 200A |
| Rated Frequency | 50Hz |
| Rated Short-Time Withstand Current | 20kA |
| Rated Peak Withstand Current | 50kA |
| Rated Short-Time Withstand Duration | 3s |
| Rated Short-Time Power-Frequency Withstand Voltage | 42kV |
| Rated Lightning Impulse Withstand Voltage | 75kV |
| Short-Time Power-Frequency Withstand Voltage, Fracture | 48kV |
| Lightning Impulse Withstand Voltage, Fracture | 85kV |
| Loop Resistance | Not more than 400 micro-ohm |
| Enclosure Protection Grade | IP33 |
Products are selected for reliable distribution, protection, switching, and control in practical power systems.
Equipment can be matched to voltage level, capacity, cabinet structure, cable entry, and installation environment.
Technical documents, drawings, labels, packing, and delivery requirements can be coordinated for project use.
Dongfang Electric Power (Shandong) Co., Ltd. focuses on project-oriented power distribution equipment, including distribution boxes, distribution cabinets, withdrawable switchgear, ring main units, cable branch boxes, compensation cabinets, metering systems, busway systems, and power cables.
Review product models based on voltage, capacity, feeder quantity, and installation environment.
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Tell us the product name, voltage level, load capacity, quantity, installation site, and delivery requirements. Our team will help check the suitable product configuration.
