Product information

Gas-insulated medium-voltage switchgear for primary distribution

Fixed-mounted circuit-breaker switchgear 8DA10 and 8DB10 is indoor, factory-assembled, type-tested, single-pole metal-enclosed, gas-insulated switchgear with metallic partitions, for single-busbar and double-busbar applications, as well as for traction power supply systems.
8DA10

- Up to 40.5 kV, 40 kA (3s), 5000 A busbar, feeder 3150 A
- Metal-enclosed
- Single-busbar System (8DA10)
- Gas-insulated
- Hermetically enclosed
- Factory-assembled, routine-tested according IEC 62 271-200
- Type-tested according IEC 62 271-200
 

Customer's Benefit:
    - Security of Operation, Reliability
    - Personal Safety
    - Environmental Independence
    - Compactness
    - Maintenance-free Design
    - Cost-efficient, Ecological 

Rated voltage
 kV
12 
 24
36
40.5
Rated frequency
Hz
50/60
50/60
50/60
50/60
Rated short-duration power-frequency withstand voltage
kV
20
50
70
85
Rated lightning impulse withstand voltage
kV
75
125
170
185
Rated peak withstand current
kA
100
100
100
100 
Rated short-circuit making current
kA
100
100
100
100
Rated short-time withstand current, 3 s
kA
40
40
40 
40 
Rated short-circuit breaking current
kA
40
40
40
40
Rated normal current of busbar
5000
5000
5000
5000
Rated normal current of feeder
3150 
3150 
3150 
3150 
Degree of protection -  Primary part
Degree of protection - Secondary part 
 
IP65
IP3XD 
IP65
IP3XD 
IP65
IP3XD 
IP65
IP3XD 
Dimension
- Width
- Depth
- Height (Standard)

mm
mm
mm

600
1625
2350

600
1625
2350

600
1625
2350

600
1625
2350

Classifikation according to IEC 62271-200
 
Partition Class:
PM 
Loss of service continuity
category:

LSC 2
Accessibility of Compartments:
- Busbar compartment:
- Switching device compartment:
- Low-voltage compartment:
- Cable compartment: 

tool-based
tool-based
tool-based
tool-based 
Internal arc classification
IAC A FLR 40 kA 1s 
8DB10

- Up to 40.5 kV, 40 kA (3s), 5000 A busbar, feeder 2500 A  (3150 A on request)
- Metal-enclosed
- Double-busbar System (8DB10)
- Gas-insulated
- Hermetically enclosed
- Factory-assembled, routine-tested according IEC 62 271-200
- Type-tested according IEC 62 271-200

Customer's Benefit:
    - Security of Operation, Reliability
    - Personal Safety
    - Environmental Independence
    - Compactness
    - Maintenance-free Design
    - Cost-efficient, Ecological 

Rated voltage
 kV
12 
 24
36
40.5
Rated frequency
Hz
50/60
50/60
50/60
50/60
Rated short-duration power-frequency withstand voltage
kV
20
50
70
85
Rated lightning impulse withstand voltage
kV
75
125
170
185
Rated peak withstand current
kA
100
100
100
100 
Rated short-circuit maging current
kA
100
100
100
100
Rated short-time withstand current, 3 s
kA
40
40
40 
40 
Rated short-circuit breaking current
kA
40
40
40
40
Rated normal current of busbar
5000
5000
5000
5000
Rated normal current of feeder
2500/3150* 
2500/3150* 
2500/3150* 
2500/3150* 
Degree of protection -  Primary part
Degree of protection - Secondary part 
 
IP65
IP3XD 
IP65
IP3XD 
IP65
IP3XD 
IP65
IP3XD 
Dimension
- Width
- Depth
- Height (Standard)

mm
mm
mm

600
2665
2350

600
2665
2350

600
2665
2350

600
2665
2350

* 3150 A on request


Classifikation according to IEC 62271-200
 
Partition Class:
PM 
Loss of service continuity category:
LSC 2
Accessibility of Compartments:
- Busbar compartment:
- Switching device compartment:
- Low-voltage compartment:
- Cable compartment: 

tool-based
tool-based
tool-based
tool-based 
Internal arc classification
IAC A FLR 40 kA 1s 
8DA11/8DA12

- Up to 27.5 kV, 31.5 kA (3s), 3150 A busbar, feeder 2500 A
- Metal-enclosed
- Single-pole and double-pole design
- Gas-insulated
- Hermetically enclosed
- Factory-assembled, routine-tested according IEC 62 271-200
- Type-tested according IEC 62 271-200
 

Customer's Benefit:
    - Security of Operation, Reliability
    - Personal Safety
    - Environmental Independence
    - Compactness
    - Maintenance-free Design
    - Cost-efficient, Ecological 

Rated voltage
 kV
15
 25
Rated frequency
Hz
16.7
50/60
Rated short-duration power-frequency withstand voltage
- Earth
- Isolation
kV

50
60

95
110
Rated lightning impulse withstand voltage
- Earth
- Isolation
kV

125
145

200
220
Rated short-circuit making current
kA
80
80
Rated short-circuit breaking current
kA
31.5
31.5
Rated normal current of busbar
3150
3150
Rated normal current of feeder
2500
2500
Degree of protection -  Primary part
Degree of protection - Secondary part 
 
IP65
IP3XD 
IP65
IP3XD 
Dimension
- Width
- Depth (1-pole, 2-pole)
- Height (Standard)

mm
mm
mm

600
865/1245
2350

600
865/1245
2350
Classifikation according to IEC 62271-200
 
Partition Class:
PM 
Loss of service continuity
category:

LSC 2
Accessibility of Compartments:
- Busbar compartment:
- Switching device compartment:
- Low-voltage compartment:
- Cable compartment: 

tool-based
tool-based
tool-based
tool-based 
Internal arc classification
IAC A FLR 31,5 kA 1s 
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