Product Overview
The European-style outdoor electrical junction box, also professionally known as a high voltage cable branch box and high-performance outdoor cable distribution box, is a core cable distribution box and essential cable engineering equipment widely used in power distribution network systems in recent years. This outdoor electrical junction box features double-sided opening and uses splice sleeves as busbar connections, ensuring easy maintenance and reliable performance. It also offers significant advantages such as a compact structural length, clear and orderly cable arrangement, and no need for large-span crossings for three-core cables.
To enhance versatility, the design can integrate an electrical cable box for efficient power routing and a cable joint box for secure connections. As a dedicated high voltage cable branch box, this outdoor cable distribution box is fitted with cable connectors that comply with the DIN47636 standard, generally adopting bolt-fixed connectors with a rated current of 630A, fully meeting the practical application demands of this professional cable distribution box in outdoor power distribution projects.
Model Meaning
Normal Usage Environment
Ambient temperature: maximum temperature: +40℃, minimum temperature -30℃
Humidity: The average daily relative humidity is not more than 95% and the average monthly relative humidity is not more than 95%.
Shock resistance: horizontal acceleration is no more than 0.4m/s², vertical acceleration is no more than 0.15m/s²
Installation site inclination: no more than 3°
Installation environment: The surrounding air should not be obviously polluted by corrosive, flammable gases, water vapor, etc., and the installation site
should not have severe vibrations.
Please consult with our company when ordering this product beyond the above conditions.
Main Technical Parameters
|
Rated voltage |
12kV |
|
Rated current |
630A / 1250A |
|
Dynamic stability current |
50/80kA |
|
Thermal stability current |
31.5kA / 3S |
|
1 minute power frequency withstand voltage |
42kV |
|
15 minutes DC withstand voltage |
52kV |
|
Lightning impulse withstand voltage |
105kV |
|
Box protection level |
IP33 |
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