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Click to enlarge image
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Origin |
China |
Model Number |
BD-12/1250 |
Brand Name |
BGE |
Circuit-breaker used glass vacuum tube , we have ISO9000 , "3C" certificate and so on Vacuum Tube main techincal parameter
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Parameter name
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Unit
|
Value
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Rated voltage
|
kV
|
12
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Rated normal current
|
A
|
1250,1600
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Rated frequency
|
Hz
|
50
|
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Rated short-circuit breaking current
|
kA
|
20,25,31.5
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Rated short-circuit making current
|
kA
|
50,63
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Rated peak withstand current
|
A
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50,63
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Rated short-time withstand current
|
kA
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20,25,31.5
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Rated short-circuit continuous time
|
S
|
4
|
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Rated single capacitor unit breaking current
|
A
|
630
|
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Rated back to back capacitor unit breaking current
|
A
|
400
|
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Rated short-time (1 min) frequency withstand voltage
|
kV
|
42
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Rated contact pressure time-limit loop resistive
|
µΩ
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≤30
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Rated short-circuit breaking current breaking times
|
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30
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Rated lightning impulse withstand voltage
|
V
|
75
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Mechanical life
|
|
10000
|
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Contact automatic
|
N
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120±50
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Force required to hold contacts open at full stroke
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N
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200±50
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Contact-wear allowance thickness
|
mm
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3
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Internal gas pressure
|
Pa
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≤1.33×10-3
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Shelf life
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20
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Delivery lead time |
according to clients |
Supply ability |
10000 Piece/Pieces / Month |
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