Описание
35KV medium voltage outdoor cable distribution box
Cable distribution boxes can be widely used in cable engineering equipment in power distribution network systems. The main features include: two-way door opening, using wall-penetrating insulated sleeves as connection busbars, compact size, clear cable arrangement, and no need for large-span crossings for three-core cables. Typically, the rated current is 630A, and the cable joints are fixed with bolts.
Technical parameters:
| TECHNICAL INDEX | TECHNICAL PARAMETER |
| Nominal voltage | 40.5KV |
| Номинальный ток | 1250A |
| Rated load breaking current | 1250A |
| Rated short-time withstand voltage | 20KV/2S |
| Rated peak tolerable current | 50KV/0.3S |
| Rated short-circuit closing current | 50KV |
| Mechanical life | 5000times |
| Conductor protection class | IP55 |
| Adaption cable specification | 50mm2-630mm2 |
WORKING CONDITIONS
1、Altitude: no more than 2000m; (If there is any special request, please indicate it when ordering)
2、Ambient temperature :-25ºC~+40ºC
3、relative temperature: daily average is not more than 95%, monthly average is not more than 90%;
4、seismic capacity :8 degrees
5, no fire, explosion risk, serious pollution, chemical corrosion and violent vibration of the place.
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