Table of Contents
Overview
The DFW American-Style Cable Branch Box is a reliable and efficient medium-voltage power distribution solution. It is designed to meet the growing demand for safe, flexible, and high-capacity electrical distribution. This cable branch box is widely used in urban and rural power grids, industrial zones, substations, underground electrical networks, and renewable energy systems.
Key Features
- Rated Voltage: 15kV-25kV, ensuring compatibility with a wide range of medium-voltage applications.
- High Short-Circuit Withstand Capability: Supports 16kA to 400kA withstand levels.
- Compact & Modular Design: Ideal for underground and above-ground installations.
- Corrosion & Weather Resistance: Fully sealed enclosure ensures longevity in harsh environments.
- Flexible Configurations: Supports multiple branch network configurations.
- Enhanced Safety & Protection: Incorporates lightning protection, fault indicators, and overload protection.
Technical Parameters
| Project | 200A (Branch Network) | 600A (Branch Network) |
|---|---|---|
| Rated Voltage | 15kV | 15/25kV |
| Rated Current | 200A | 600A |
| Rated Short-Term Current Withstand | 16kA/1s | 400kA/1s |
| 1-Minute Power Frequency Voltage Resistance | 42kV | 42kV |
| 15-Minute DC Pressure Withstand | 53kV | 78kV |
| Lightning Impact Pressure Resistance | 95kV | 125kV |
| Minimum Corona Starting Voltage | 11kV | 19kV |
Order Information – Box Configuration Plan
| Model | Plan | Wiring Solution | External Dimensions (L×W×H) |
| DFW12/11-200 | 200A×2 | ↕ | 800×400×760 |
| DFW12/12-200 | 200A×3 | ↕ | 1100×400×760 |
| DFW12/13-200 | 200A×4 | ↕ | 1300×400×760 |
| DFW12/11-600 | 600A×2 | ↕ | 900×560×760 |
| DFW12/12-600/200 | 600A×2, 200A×1 | ↕ | 900×560×760 |
| DFW12/13-600/200 | 600A×2, 200A×2 | ↕ | 900×560×760 |
| DFW12/12-600 | 600A×3 | ↕ | 1200×560×760 |
| DFW12/14-600/200 | 600A×3, 200A×2 | ↕ | 1200×560×760 |
| DFW12/15-600/200 | 600A×3, 200A×3 | ↕ | 1200×560×760 |
| DFW12/16-600/200 | 600A×4, 200A×3 | ↕ | 1500×560×760 |
| DFW12/17-600/200 | 600A×4, 200A×4 | ↕ | 1500×560×760 |
| DFW12/13-600/200 | 600A×1, 200A×3 | ↕ | 1500×560×760 |
| DFW12/14-600/200 | 600A×2, 200A×3 | ↕ | 1500×560×760 |
| DFW12/15-600/200 | 600A×3, 200A×3 | ↕ | 1500×560×760 |
| DFW12/14-600/200 | 600A×2, 200A×3 | ↕ | 1500×560×760 |
Application Scenarios
The DFW American-Style Cable Branch Box is widely used in:
- Urban and Rural Power Distribution Networks – Enhancing grid efficiency and power management.
- Industrial Facilities and Large-Scale Plants – Ensuring stable energy distribution.
- Substations and Utility Power Networks – Integration into high-voltage transmission infrastructures.
- Underground and Overhead Electrical Systems – Versatile applications for diverse electrical grids.
- Renewable Energy Installations – Supports solar farms, wind power stations, and hybrid energy solutions.
Installation & Safety Guidelines
- Pre-Installation Checks: Ensure that the site meets voltage & grounding requirements.
- Foundation Preparation: Install base plates & cable entry points securely.
- Box Placement & Cable Connection: Align with wiring plan specifications.
- System Grounding & Insulation Testing: Perform voltage resistance tests before energization.
- Final Commissioning & Safety Inspection: Verify connection stability & operational security.
Why Choose Our DFW Cable Branch Box?
1. Exceptional Reliability & Safety
- High dielectric strength and arc-proof insulation.
- Protection against short circuits, overloads, and lightning surges.
2. Versatile Configuration & Customization
- Supports multiple branch designs, ensuring flexible electrical distribution.
- Compatible with GIS, RMU, and underground switchgear.
3. Long-Term Durability & Maintenance-Free Design
- Corrosion-resistant materials ensure extended operational life.
- Fully enclosed and sealed design prevents moisture and dust ingress.
