Gas-insulated medium-voltage switchgear 8DJH - The one that fits all

8DJH
8DJH

Rated voltage up to

12 kV

  • Rated short-time withstand current up to 25 kA

  • Rated normal current up to 630 A

  • Single-busbar

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8DJH Webinar

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Product information

Gas-insulated medium-voltage switchgear for secondary distribution

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

8DJH

- 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   
- Economy, Ecology    

Rated voltage

 

kV

 

7.2

 

12

 

15

 

17.5

 

24

 
Rated short-duration power-frequency withstand voltage
kV
20
28
36
38
50
Rated lightning impulse withstand voltage
kV
60
75
95
95
125
Rated frequency 
Hz
50/60
50/60
50/60
50/60
50/60
Rated normal current of busbar
A
630
630
630
630
630
Rated normal current of feeder
A
630
630
630
630
630
Rated short-time withstand current, 1 s
kA
25
25
25
25
20
Rated short-time withstand current, 3 s
kA
20
20
20
20
20
Rated peak withstand current
kA
63/65
63/65
63/65
63/65
50/52
Rated short-circuit making current
kA
63/65
63/65
63/65
63/65
50/52
Dimension
- Width
- Depth
- Height 

mm
mm
mm

310/430/500
775
1200/1400/1700

310/430/500
775
1200/1400/1700

310/430/500
775
1200/1400/1700

310/430/500
775
1200/1400/1700

310/430/500
775
1200/1400/1700

Design and Construction

 

 

 
Loss of service continuity category for panels or panel blocks:

- Panels with disconnector (R, T, L)
- Panels without disconnector (K, M)


LSC 2
LSC 1
Partition Class:
PM (Partition Metallic)
Accessibility of Compartments (enclosure):
- Busbar compartment:
- Switching-device compartment:
- Low-voltage compartment (option):
- Cable compartment for panels or panel blocks
   - with HV HRC fuses (T)
   - without HV HRC fuses (R, L, ...)
   - only cable feeder (K)
   - Metering panels (air-insulated) (M) 

Non-accessible
Non-accessible
Tool-based
  
Interlock-controlled
Interlock-controlled
Tool-based
Tool-based                                             
                          

Internal arc classification (option)

 

 

 
Designation of the internal arc classification, IAC
IAC class for
- Wall-standing arrangement
- Free-standing arrangement 
Rated voltage 7.2 kV to 24 kV
 
IAC A FL
IAC A FLR 

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 (for free-standing arrangement)
Arc test current 
up to 21 kA 
Test duration
1 s
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