Our American-style cable branching boxes are known for their excellent performance and standardized design, widely used in electrical engineering equipment within power distribution networks. They are highly recognized and applied in various environments, including industrial parks, residential communities, commercial centers, and high-rise buildings. The design features a unidirectional door and a lateral multi-way busbar, making it compact and flexible. The box is fully insulated and sealed, ensuring safe and efficient power distribution.
| Type | 200A (branch network), 600A (feeder/main network) |
| Rated Voltage | 15kV, 15/25kV |
| Rated Current | 200A, 600A |
| Rated Short-Time Withstand Current | 16kA/1s, 40kA/1s |
| 1-Min Power Frequency Withstand Voltage | 42kV |
| 15-Min DC Withstand Voltage | 53kV, 78kV |
| Lightning Impulse Withstand Voltage | 95kV, 125kV |
| Minimum Corona Inception Voltage | 11kV, 19kV |
Ambient temperature: Maximum air temperature +40℃, minimum air temperature -30℃;
Wind speed: Equivalent to 34m/s (no greater than 700Pa);
Humidity: Daily average relative humidity not exceeding 95%; monthly average relative humidity not exceeding 95%;
Seismic protection: Horizontal acceleration not exceeding 0.4ms²; vertical acceleration not exceeding 0.15ms²;
Installation site tilt: No greater than 3°;
Installation environment: The surrounding air should be free from significant contamination by corrosive, flammable gases, water vapor, etc., and the installation site should not experience severe vibrations.
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