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تابلوهای برق | تابلوهای فشار متوسط

تابلوهای فشار متوسط

8DA10-8DB10

Medium Voltage Switchgear

Gas Insulated Switching Device & Busbar
Rated Voltage: Up to 40.5 KV
Rated Current: Up to (5000A busbar/2500A feeder)
Rated short-time withstand current, 3 s: 40 KA(3s)
Type of Switchgear: Metal Enclosed (Fix-SF6)
Classification of switchgear is according to: IEC 62271-200
Advantages:
Suitable for applications under aggressive ambient
Conditions such as : saline air humidity Dust Condensation
It is Tight to ingress of foreign object such as : Dust, Pollution, Small animal
Compact Design
Maintenance-Free Design
Extendable


Electrical data (maximum values) and dimensions
Single-busbar and double-busbar switchgear
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

 

28 ¹⁾

 

50

 

70

 

85 ²⁾

Rated lightning impulse
Withstand voltage

KV

75

125

170

185

Rated peak
Withstand current

KA

100/104

100/104

100/104

100/104

Rated short-circuit
making current

KA

100/104

100/104

100/104

100/104

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 the busbar

A

5000

5000

5000

5000

Rated normal current
of feeders

A

2500

2500

2500

2500

width mm 600 600 600 600
Depth
 • Single busbar
 • Double busbar
Mm
Mm
1625
2665
1625
2665
1625
2665
1625
2665
Height
• Standard
• With high low-voltage
compartment
Mm
mm
2350
2700
2350
2700
2350
2700
2350
2700

 

Electrical data, filling pressure, temperature for single-busbar and double-busbar switchgear
Common electrical data, filling pressure and temperature
Rated insulation level
Rated voltage U₂ KV 12 24 36 40.5
Rated short-duration power-frequency
Withstand voltage
 • phase-to-earth, open contact gap
 • across the isolating distance

 

28 ¹⁾
32 ¹⁾

50 ²⁾
60 ²⁾

70
80

85 ³⁾
90 ³⁾

Rated lightning impulse withstand voltage Uᵨ:
 • phase-to-earth, open contact gap
 • across the isolating distance

 

75
85

125
145

170
195

185⁴⁾
220⁴⁾

Rated frequency f₂

 

50/60 50/60 50/60 50/60
Rated normal current I ₂
For the busbar ⁹⁾ A
A
A
A
A
A
1250
2000
2500
3150
4000
5000
1250
2000
2500
3150
4000
5000
1250
2000
2500
3150
4000
5000
1250
2000
2500
3150
4000
5000
Rated filling level p me 70/120kpa at 20 c
Minimum functional level p me 50/100kpa at 20 c
Ambient air temperature -5 c to+55 c

 

Data of the switchgear panels
Circuit-breaker panel, discon-nector panel⁶⁾
Rated normal current I r⁹⁾ A
A
A
A
A
1250
1600
2000
2300
2500
1250
1600
2000
2300
2500
1250
1600
2000
2300
2500
1250
1600
2000
2300
2500
Rated short-time withstand current I ₖ I ₖ- 3 s Up to kA 40 40 40 40
Rated peak withstand current I ᵨ ⁵⁾ Up to kA 100/104 100/104 100/104 100/104
Rated short-circuit making current I ma ⁵⁾ Up to kA 100/104 100/104 100/104 100/104
Rated short-circuit breaking current I sc Up to kA 40 40 40 40
Electrical endurance of vacuum circuit-breakers At rated normal current 10,000 operating cycles
Electrical endurance of vacuum circuit-breakers At rated short-circuit breaking current 50 breaking operations
Rated filling level Pre For feeders 70/120 kpa at 20 c
Minimum functional level Pme   50/100 kpa at 20 c

 

Bus section-alizer bus coupler ⁷⁾
Rated normal current I r⁹⁾ A
A
A
A
1250
2000
2300
2500
1250
2000
2300
2500
1250
2000
2300
2500
1250
2000
2300
2500
Rated short-time withstand current I ₖ I ₖ- 3 s Up to kA 40 40 40 40
Rated peak withstand current I ᵨ ⁵⁾ Up to kA 100/104 100/104 100/104 100/104
Rated short-circuit making current I ma ⁵⁾ Up to kA 100/104 100/104 100/104 100/104
Rated short-circuit breaking current I sc Up to kA 40 40 40 40
Electrical endurance of vacuum circuit-breakers At rated normal current 10,000 operating cycles
Electrical endurance of vacuum circuit-breakers At rated short-circuit breaking current 50 breaking operations
Rated filling level Pre For feeders 70/120 kpa at 20 c
Minimum functional level Pme   50/100 kpa at 20 c

 

Cable connection panel metering panel
Rated normal current I r ⁸⁾⁹⁾ A
A
A
A
1250
2000
2300
2500
1250
2000
2300
2500
1250
2000
2300
2500
1250
2000
2300
2500
Rated short-time withstand current I ₖ I ₖ- 3 s Up to kA 40 40 40 40
Rated peak withstand current I ᵨ ⁵⁾ Up to kA 100/104 100/104 100/104 100/104
Rated filling level Pre For feeders 70/120 kpa at 20 c
Minimum functional level Pme   50/100 kpa at 20 c


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