DFW-SF6 High-Voltage Cable Distribution Box
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Category:
Keywords:
High-Voltage Switchgear
Box-type substation
- Product Description
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Product Overview
This product features a high-performance sulfur hexafluoride load switch with SF6-insulated gas internally, along with touchable, shielded imported synthetic rubber cable connectors. It offers robust capabilities for interrupting both loaded and unloaded cable currents, as well as making reliable short-circuit current connections. Additionally, it can be equipped with surge arresters and ground fault indicators according to customer requirements.
Each ring network line in this product series is equipped with either a load switch or a vacuum circuit breaker. Any individual branch circuit can be freely disconnected and reconnected to operation without affecting the other circuits in the ring network. Additionally, fuses can be installed directly onto the load switches. In the event of a short-circuit fault on a specific branch circuit, the fuse on that circuit will instantly interrupt the faulty path and simultaneously trigger the load switch’s trip mechanism, causing it to open. This isolates the faulty circuit, ensuring uninterrupted power supply to all unaffected branch circuits.
This product is widely used for cable tapping in 10kV power systems. Its connection method is simple, flexible, convenient, safe, and reliable—plus, the enclosure is crafted from sturdy, durable stainless steel. The live parts feature a fully insulated, hermetically sealed design. When paired with flood-resistant, touch-proof cable terminations, the product can even withstand flooding, significantly enhancing the reliability of power supply. Widely applicable across various settings—including urban industrial parks, residential complexes, commercial centers, mining areas, airports, railways, wind farms, switchgear stations, and large enterprises like steel, petroleum, chemical, and cement industries—as well as other distribution networks, this product is particularly well-suited for urban road network renovation projects. It helps substantially reduce investment costs in electrical equipment and cables while boosting overall power supply reliability.
Meaning of the Model
Technical specifications
Project Unit Data Rated Voltage kV 12 Rated current A 630 Rated Thermal Stability Current (2s) kA 20 Rated Short-Circuit Making Current (Peak) kA 50 Rated Transfer Current A 2000 Lightning Impulse Voltage kV 12 Power-frequency withstand voltage A 630 Mechanical Life kV 20 SF₆ Gas Rated Voltage kV 50 Annual Leakage Rate of SF₆ Gas A 2000 Basic components
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