Vacuum Interrupters for Circuit Breakers

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Vacuum Interrupters for Circuit Breakers

PicturesGL TypeRated
Voltage
(kV)
Rated
Current
(A)
Rated
Make
Current
(KA/S)
Rated
Peak
Withstand
Current
KA
Short
Time
(1min)
Power
Frequency
Withstand
Voltage
(kV)
Rated
Thunder
and
Lighting
Shock
Withstand
Voltage
(KV)
Contact
Closing
Force
(N)
Circuit
Resistance
under
Contact
Closing
Force
(μΩ)
Rated
Contact
Gap
(mm)
Contact
Overtravel
(mm)
Average
Break
Speed
(m/s)
Pdf
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TD-12/1250-31.5A 12 1250 31.5/4 80 42 75 110±40 ≤25 11±1 4±1 1.1±0.2
TD-12/1250-31.5B 12 1250 31.5 80 42 75 130±50 ≤20 10±1 3 1.1±0.2
TD-12/1250-31.5C 12 1250-1600 80 42(48) 75(85) 130±50 ≤20 11±1 3 1.2±0.2
TD-12/1250-31.5D 12 630-1600 25-31.5 63-80 42 75 120±50 ≤20 10±1 3 1.3±0.2