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Energy Business Directory << Bitumen << Vacuum Interrupter

Vacuum Interrupter

Vacuum Interrupter
Features:
1) Rated voltage: 40.5k V
2) Rated current: 1,250A
3) Rated frequency: 50Hz
4) Rated short-time (1min) power frequency withstand voltage: 95k V
5) Lightning impulse withstand voltage: 185k V
6) Rated short-time withstand current: 20k A
7) Rated short-circuit duration: 4s
8) Rated peak value withstand current: 50k A
9) Rated short-circuit making current: 50k A
10) Rated active load breaking current: 1,250A
11) Rated loop-locked breaking current: 1,250A
12) Transit current: 3,150A
13) Mechanical life: 10,000 Time
14) Contact automatic: 80±30N
15) Force required holding contacts open at full stroke: 140±40N
16) Contact permission attrition accumulation thickness: 3mm
17) Internal gas pressure: ?1.33 x 10-3Pa
18) Storage period: 20 years

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