The DFW-SF6 high-voltage cable branch box is equipped with an SF6 gas-insulated load switch, offering robust performance and reliability for 12kV AC power distribution networks. Designed for outdoor applications, it ensures safe and efficient power distribution with full insulation, corrosion resistance, and weatherproof capabilities. The box supports high breaking capacity, making it ideal for urban power grids, industrial zones, railway, and renewable energy sectors.
Features
- SF6 Insulated Load Switch: The SF6 load switch provides excellent insulation and arc-quenching capabilities, ensuring high performance in handling active load and no-load cable currents. It can be equipped with lightning arresters and grounding fault indicators based on user needs.
- Flexible Operation and Protection: Each branch circuit is equipped with either a load switch or vacuum circuit breaker, allowing circuits to operate independently and ensuring continuity in the non-fault branches in case of a fault. Options for fuses on branch circuits provide rapid disconnection to protect the system.
- Durable Construction: Made from high-quality stainless steel, the cabinet is designed to withstand harsh conditions. It is fully sealed to IP33 standards, with flood-resistant touchable cable connectors for enhanced reliability in various environments.
- Versatile Applications: Suitable for distribution networks in urban and rural areas, including residential complexes, industrial areas, commercial centers, mining sites, and infrastructure projects. It is especially beneficial for urban grid upgrades, offering a cost-effective solution for reliable power supply.
Technical Specifications
- Rated Voltage: 12kV
- Rated Current: 630A
- Rated Thermal Stability Current: 20kA (2 seconds)
- Short Circuit Making Current: 50kA
- Lightning Impulse Voltage: 12kV
- Power Frequency Withstand Voltage: 45kV
- Rated Transfer Current: 2000A
Components and Options
The DFW-SF6 cable branch box includes touchable shielded cable connectors, SF6 load switches, and optional components such as lightning arresters, short circuit indicators, and grounding fault indicators. The load switch is available in flexible or SF6 types to meet various system requirements.
Applications
This branch box is ideal for urban infrastructure, high-rise buildings, highways, and other critical installations, enhancing power reliability while simplifying grid reconstruction and reducing equipment investment.
Ordering Information
Please specify the model, desired configuration of circuits, load switch type, protection options, and any additional requirements for voltage and grounding.

