Notes
1. Meets or exceeds the electrical endurance requirements of class E2 for autoreclosing duty per IEC62271-100 and GB1984-2003.
2. Rated characteristics tobe givenon request.
3. Rated insulation valuesrequire extemal insulati on, such as Sf6, oil or solid dielectric material etc.
Main Technical Specifiation
| Rated Voltage |
KV |
12 |
| Rated Current |
A |
630 |
| Rated Frequency |
Hz |
50 |
| Short-time Power-frequency Withstand Voltage(1min) |
KV |
42 |
| Rated lightning Impulse Withstand Voltage(Peak) |
KV |
75 |
| Rated Peak Withstand Current |
KA |
50 |
| Rated Short-circuit Making Current |
KA |
50 |
| Rated Short-time Withstand Current |
KA |
20 |
| Rated Duration of Short-circ |
S |
4 |
| Rated Closed-loop Breaking Current |
A |
630 |
| Rated Capacity of no-load Transformer |
A |
No-load Current of Transformation With Capacity of 1250kVA |
| Rated Cable-charging Breaking Current |
A |
10 |
| Rated Transferring Current |
A |
3150 |
| Mass of Moving Parts |
Kg |
0.4 |
| Mechanical Endurance |
Times |
10000 |
| Contact Closed Force Due to Bellows and Atmosphere |
N |
80±30 |
| Counterforce of Contact at Full Stroke |
N |
130±30 |
| Circuit Resistance at Min.Rated Contact Force | μΩ |
<30 |
| Contact Limit Erosion |
mm |
3 |
| Storage Life |
Years |
20 |
Mechanical Data Of Vacuum Switch Equipped With The Interrupters
| Clearance Between Open Contacts |
mm |
9±1 |
| Average Opening Speed |
m/s |
1.0±0.2 |
| Average Closing Speed |
m/s |
0.6±0.2 |
| Rated Contact Pressure |
N |
900±200 |
| Contact Bounce Duration at Closing Operation |
ms |
<3 |
| Out of Simultaneity of Contact Closing and Operation |
ms |
<2 |
| Maximum Rebound During Opening |
mm |
<2 |
