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Product Description
(MAIN TECHNICAL DATA) |
||
(Data) |
(Unit) |
(Value) |
Rated Voltage |
kV |
40.5 |
Lightning Impulse Withstand Voltage (Peak) |
kV |
185* |
Short-time (1min) Power-frequency Withstand Voltage |
kV |
95* |
Rated Frequency |
Hz |
50/60 |
Rated Current |
A |
1250 |
Rated Short-time Withstand Current |
kA |
31.5 |
Rated Duration of Short-circuit |
s |
4 |
Rated Peak Withstand Current |
kA |
80 |
Rated Short-circuit Making Current |
kA |
80 |
Rated Short-circuit Breaking Current |
kA |
31.5 |
Max. Dc component |
|
40% |
Switching Operations of Rated Short-circuit Breaking Current |
Operations |
30 |
Rated Single Capacitor Bank Breaking Current |
A |
630※
|
Rated Back-to-back Capacitor Bank Breaking Current |
A |
400※
|
Mechanical Endurance |
Operations |
10000 |
Clearance Between Open Contacts |
mm |
18±1 |
Contact Closed Force Due to Bellows and Atmosphere |
N |
110±50 |
Counterforce of Contact at Full Stroke |
N |
210±50 |
Circuit Resistance at Min. Rated Over-travel |
mQ |
≤25 |
Contact Limit Erosion |
mm |
3 |
Mass of Moving Parts |
kg |
3.5±0.3 |
Internal Gas Pressure |
Pa |
<1.33x 10-3 |
Shelf Life |
Year |
20 |
Magnitude Of Partial Discharge ( 45kV ) |
pc |
≤5 |
Torsionproof Moment Of Bellows |
N・m |
≤45 |
Rated Operating Sequence |
0 - 0.3s - CO - 180s - CO |
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MECHANICAL DATA OF VACUUM SWITCH EQUIPPED WITH THE INTERRUPTERS |
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Data |
Unit |
Value |
Average Opening Speed ( 0 ~ 12mm contacttravel) |
m/s |
1.7+0.3 |
Average Closing Speed ( 6mm ~ contact closeposition ) |
m/s |
1.3+0.3 |
Contact Bounce Duration at Closing Operation |
ms |
≤3 |
Out of Simultaneity of Contact Closing and Opening |
ms |
≤2 |
Rated Over-travel |
mm |
3.5±0.5 |
Contact Pressure at Min. Rated Over-travel |
N |
3200±300 |
Max. rebound of contact at opening Operation |
mm |
3 |
Overtravel during Opening |
mm |
≤3 |
Notel1:"※” Rated characteristics to be give n on request; Note 2: Meets or exceeds the electrical endurance requirements of class E2 for I EC 62271-100 and GB1984-2014 ; Note 3: Within transformer oil or equivalent isolation medium. |