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GLX24-DF RMU type Cable Branch Box

  • GLX24-DF RMU type Cable Branch Box-1
  • Description
  • Specification
  • Features
  • Size
  • Catalogue

    With the development of cable in the distribution grid, when the independent load of low capacity is arranged intensively, cable branch box can be used to connect cable branches because the branch box cannot directly operate on each line, but only used as a cable branch. The main function of cable branch box is to connect cables.

    GLX24-DF is cable branch box with GLX24 type SF6 load break switch, widely applicable in ring connected distribution grid of cable system of 12kV, 50Hz, rated current 630A and below. This product can satisfy the function of load breaking, playing an important role outdoors instead of switching station, featured by easy to maintain and test branch lines and reducing economic loss during the power failure. Its superiority is obviously shown particularly when there is difficulty in the distribution line corridors and building a power distribution room.  

No.

Description

Unit

Parameter

1

Rated voltage

kV

12

2

Rated current

A

630

3

Rated frequency

Hz

50

 

4

Rated insulation level

Phase to phase/earth/across the isolating distance

Power frequency withstand voltage (1min)

 

kV

42/48

Impulse withstand voltage

75/85

5

Rated short time withstand current

kA

20

6

Duration of rated short circuit

s

4

7

Rated peak withstand current

kA

50

8

Rated short circuit making current (peak)

kA

50

9

Rated active load breaking current

A

630

10

Rated closed loop breaking current

A

630

11

Rated cable charging breaking current

A

16

12

Electrical endurance

Times

E3

13

Mechanical endurance

Times

5000

14

Power frequency withstand voltage on auxiliary and control circuit (1min)

V

2000

15

Degree of protection

Gas tank

IP67

Enclosure

IP33


1. Small size, compact structure 

2. High-quality insulating parts, partial discharge value of components made of epoxy resin5pC

3. Annual SF6 leakage rate 0.02

4. Various types of cable in and out, meeting all kinds of requirements

5. HV live parts fully-insulated, fully-sealed, dust proof, flood proof, anti-corrosion, adaptable to the severe environment

6. SF6 gas tank passed the water immersion test 


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