The 35kV copper busbar cable branching box is a high-voltage distribution device used in urban grid cable modification projects. It is designed for outdoor, indoor, or underground installations, and primarily serves to connect power cables to equipment like substations, load switchgear, ring network supply units, and more, for branching, relay, and switching purposes. The box uses prefabricated cable connectors, providing features such as full insulation, full sealing, waterproofing, corrosion resistance, and maintenance-free operation, ensuring long-term stable performance.
Suitable for 35kV (40.5kV) AC power transmission and distribution lines, the device offers rated current options ranging from 200A to 1250A. It also supports additional accessories such as live-line indicators, fault indicators, and surge arresters, providing efficient and reliable solutions for urban grid renovation projects. Its compact structure and flexible configuration make it ideal for high-density environments such as industrial parks, residential areas, and commercial centers.
Outdoor type (also available as indoor type) with a fully sealed design; “five-proof” safety features, maintenance-free, providing reliable personal protection.
Environmentally friendly outdoor cable branch box with high-voltage live-line indicator, simplifying urban cable network systems and saving investment.
Outdoor design that is dustproof, moisture-proof, flood-resistant, and corrosion-resistant; strong environmental adaptability and flexible configurations—from single-line in/out to multiple circuits—to meet diverse wiring requirements.
Small footprint, compact structure, and elegant appearance; easy installation, convenient switching of operating modes, and flexible protection settings; equipped with a live-line indicator, with optional short-circuit indicator and surge arrester.
Minimal footprint and low profile with an attractive exterior that harmonizes with the surroundings; highly flexible wiring schemes and extremely convenient installation and operation.
Ambient temperature: –10℃ to +40℃;
Ambient humidity: daily average relative humidity up to 95%, monthly average up to 90%;
Seismic intensity not exceeding 8 on the Richter scale;
Free from severe pollution, chemical corrosion, and intense vibration.
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