0.4kv Low Voltage Cable Branch Box

0.4kv Low Voltage Cable Branch Box

0.4kv Low Voltage Cable Branch Box
The 0.4KV low-voltage cable branch box developed by Zhongfeiya Tech is mainly used in public power grids. It can be used in accordance with the requirements of the distribution network and users, according to a variety of wiring methods, box types and installation methods, so that users can be flexible and easy to choose among the changeable schemes.
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Product Introduction

0.4kv Low Voltage Cable Branch Box


The 0.4KV low-voltage cable branch box developed by Zhongfeiya Tech is mainly used in public power grids. It can be used in accordance with the requirements of the distribution network and users, according to a variety of wiring methods, box types and installation methods, so that users can be flexible and easy to choose among the changeable schemes. In the construction and transformation of the national urban network, it is a support product that replaces the overhead line. It is widely used in three-phase AC 380/220V, rated current below 1250A low-voltage power transmission and distribution systems, such as substations, industrial and mining enterprises, both sides of streets, garden residential quarters, high-rise buildings, airports, and key construction and renovation projects. As a complete set of sizing equipment that uses cables to distribute electrical energy to other users or equipment.



Characteristic for electrical distribution box


a) Outdoor installation, compact structure and small size;

b) Anti-condensation, anti-fouling, can be used to track harsh environments;

c) The combination mode is flexible, and the strip fuse type load isolating switch or plastic case circuit breaker can be selected for protection;

d) Glass fiber reinforced polyester (SMC for short) or stainless steel box can be selected;

e) The color of the cabinet is conventionally military green or camel gray, and it can also be selected by the user.


 Technical specifications of electrical distribution box:

Tech Item

With molded case circuit breaker

with strip fuse type load disconnect switch

 

Rated voltage (kv)

0.4

0.4

Maximum working voltage(kv)

0.8

0.8

Rated frequency(Hz)

50/60

50/60

Rated current(A)

10~800

160/250/400/630

1min power frequency withstand voltage(kv)

3


3

Lightning impulse withstand voltage(kv)

6

8

Rated thermal stability current (kA/s)

12ln/5kA

-

Rated active breaking current(A)

10~800

160/250/400/630

Rated short-circuit breaking current (A)

25/35/50/65

50

Rated short-circuit making current (A)

(1.5~2.2)lcu

-

Mechanical life (times)

7000/5000/4000

3000/1000

Enclosure protection grade

IP44

IP44

ZFY TECH (2)

ZFY TECH

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