Gas-insulated medium-voltage switchgear 8DJH Compact - Maximum Functionality on Minimum Space

Rated voltage up to

24 kV
  • Rated short-time withstand current up to 25 kA

  • Rated normal current up to 630 A

  • Single-busbar

Product information

Gas-insulated medium-voltage switchgear for secondary distribution

8DJH Compact switchgear is a factory-assembled, type-tested 3-pole metal-enclosed single-busbar switchgear for indoor installation. 8DJH Compact switchgear is used in public and industrial energy systems of the secondary distribution level.

- Up to 17.5 kV, 25 kA, 630 A busbar, 630 A feeder
- Up to 24 kV, 20 kA, 630 A busbar, 630 A feeder
- Metal-enclosed
- Gas-insulated
- Hermetically enclosed
- Factory-assembled, routine-tested according IEC 62271-200
- Type-tested according IEC 62271-200

Customer's Benefit:
    - Security of Operation, Reliability
    - Maintenance-free Design
    - Personal Safety
    - Environmental Independence
    - Compactness 
    - Minimum Footprint  
    - Economy, Ecology    

Rated voltage
kV
7.2
12
15
17.5
24

Rated short-duration power-frequency withstand voltage

- phase-to-phase, phase-to-earth,  open contact gap

- across the isolating distance

 

 

kV

kV

 

 

20
23

 

 

28
32

 

 

36
39

 

 

38
45

 

 

50
60

Rated lightning impulse withstand voltage

- phase-to-phase, phase-to-earth, open contact gap
- across the isolating distance

 

kV

kV

 

60

70

 

75

85

 

95

110

 

95

110

 

125

145

Rated frequency  
Hz
50/60
50/60
50/60
50/60
50/60
Rated normal current Ir for ring-main feeders
Rated normal current Ir for busbar
Rated normal current Ir for transformer feeders
A
A
A
400/630
630
200
400/630
630
200
400/630
630
200
400/630
630
200
400/630
630
200
Rated short-time withstand current Ik,1 s
Rated short-time withstand current Ik,3 s
Rated peak withstand current  
Rated short-circuit making current Ima
up to kA
up to kA
up to kA
up to kA
25
20
63/65
63/65
25
20
63/65
63/65
25
20
63/65
63/65
25
20
63/65
63/65
20
20
50/52
50/52
Dimension
Width with IAC A FLR
mm
Width with IAC A F
mm
Depth
mm
Height
mm
2 ring-main feeders,
1 transformer feeder
700
620
775
1,400
1,700
3 ring-main feeders,
1 transformer feeder
1,010
930
775
1,400
1,700
4 ring-main feeders,
2 transformer feeders
1,400
1,240
775
1,400
1,700
Design and construction
 
Partition Class:
PM (Partition Metallic)
Loss of service continuity category
LSC 2
Accessibility to compartments (enclosure) 
- Busbar compartment
- Switching-device compartment
- Cable compartment


Non-accessible
Non-accessible
Interlock-controlled
Internal arc classification 
 
Designation of the internal arc classification, IAC

IAC classification

Rated voltage 7.2 kV to 24 kV

IAC A FLR

IAC A F (tested with wall distance at the rear ≥ 3m, use in substations only

in connection with internal arcing test according to IEC 62271-202)

Type of accessibility A



- F
- L
- R

Switchgear in closed electrical service location, access "for authorized personnel only" (according to IEC 62271-200)


Front
Lateral
Rear 

Arc test current 
Up to 21 kA                                             
Arc test current
1 s
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