Cable Distribution Box

CABLE BRANCH BOX

Anhui Wanxiang Electric Power Equipment Co., Ltd.

Anhui Wanxiang Electric Power Equipment Co. LTD

State Grid Grid-Connected Enterprises

Yuanxiang Electric

Power

1

Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang

European-Style Cable Distribution Box

DFW-12kV

summary ：

European-style cable distribution boxes have been widely adopted in recent years as essential equipment

for cable-based power distribution systems. Their primary features include bidirectional access doors, the use of

wall-penetrating bushings as connection busbars, and notable advantages such as compact dimensions, clear

cable routing, and the elimination of large-span crossings required for three-core cables. The cable joints used in

these boxes comply with the DIN 47636 standard, typically employing bolted-fixed-type cable joints rated for a

current of 630 A.

A indicates the presence of a lightning

arrester; by default, no circuit arrester (i.e.,

the total number of incoming and outgoing

lines in one phase) is installed at the

specified voltage level.

Cable Distribution Box

Product Model Description:

DFW

Yuanxiang Electric

Power

2

Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang

technical parameter ：

European-style cable distribution box foundation plan (mm):

Project Parameter

Rated voltage 12kV

Rated current 630A

Dynamic current 50kA/0.3s

Thermal stability current 20kA/3s

1 min Power frequency withstand voltage test 42kV

15-minute DC withstand voltage test 52kV

Lightning impulse withstand voltage 105kV

Enclosure IP Rating IP33

Yuanxiang Electric

Power

3

Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang

Cable Distribution Box

DFWK-12kV

summary ：

This equipment utilizes prefabricated live-touch silicone rubber cable terminations that are fully sealed, fully

insulated, maintenance-free, and provide reliable personal safety protection; its compact structure features a small

and aesthetically pleasing appearance, equipped with a double-layer stainless steel enclosure, offering a service life of

over 20 years; it enables localized power outage maintenance without disrupting the operation of the main grid,

thereby minimizing the scope of power outages; it can be configured to accommodate one or more SF6 load switches;

its wiring configuration is highly flexible, supporting up to eight branch outgoing circuits; and it supports optional

accessories such as surge arresters, short-circuit fault indicators, and current-limiting fuses, meeting a wide range of

user requirements.

Product Model Description:

Number of branch circuit switches: for a single

switch, the term \"branch circuit with switch\" may be

omitted.

Number of outgoing circuits

Number of branch circuits

Number of incoming circuits

Switched cable distribution box

DFWK| | |K|

Yuanxiang Electric

Power

4

Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang

1、 Utilizing prefabricated live-touch silicone rubber cable terminations, these components feature full

sealing, complete insulation, and maintenance-free operation, thereby reliably ensuring personal safety;

2、 Compact in design, compact and aesthetically pleasing in appearance; features a stainless steel doublelayer housing with a service life of over 20 years;

3、 Without affecting the operation of the main grid, implement regional power outage maintenance to

reduce the scope of power outages;

4、 Can be paired with one or more SF₆ load break switches. The wiring configuration is highly flexible,

supporting up to 8 branch outgoing circuits;

5、 Optionally includes surge arresters, short-circuit fault indicators, current-limiting fuses, etc., to meet

various user requirements.

functional characteristics ：

essential parameter ：

Project Parameter

Rated voltage 12kV

Rated current 630A

Power-frequency withstand voltage test (phase-to-ground)

42kV/min

Lightning impulse voltage 75kV

Rated breaking current 630A

Rated short-circuit breaking current (peak value) 50kA

Nominal short-time withstand current 25kA/4S

Rated peak withstand current 50kA

Rated breaking capacitive current 45A

Rated breaking inductive current 16A

Maximum number of switching operations at full load >100

Mechanical closing and opening operation counts 2000

Anhui Wanxiang Electric Power Equipment Co., Ltd.

Technological innovation has forged the century-long legacy of Wanxiang.

Address: No.19 Xingyu Road, High-tech Industrial Development

Zone, Lu'an City, Anhui Province

Tel: 0564-3616257 | Fax: 0564-3616259

Website:www.ahwanxiang.com

Email:anhuiwanxiang959@163.com