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 |
1250 |
| Rated Frequency |
Hz |
50 |
| Short-time power-frequency Withstand Voltage(1min) |
KV |
42/48 |
| Rated lightning Impulse Withstand Voltage(Peak) |
KV |
75 |
| Rated Short-circuit Brenking Current |
KA |
25 |
| Rated Peak Withstand Current |
KA |
63 |
| Rated Short-circuit Making Current |
KA |
63 |
| Rated Short-time Withstand Current |
KA |
25 |
| Rated Duration of Short-circ |
S |
4 |
| Rated Single Capacitor Bank Breaking Current |
A |
630 |
| Rated Back to Back Capacitor Bank Breaking Current |
A |
400 |
| Rated Short-circuit Making Current |
Times |
30 |
| Mass of Moving Parts |
Kg |
1.2 |
| Mechanical Endurance |
Times |
10000 |
| Contact Closed Force Due to Bellows and Atmosphere |
N |
110±30 |
| Counterforce of Contact at Full Stroke |
N |
190±30 |
| Circuit Resistance at Min.Rated Contact Force | μΩ |
<25 |
| 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 |
1.1±0.2 |
| Average Closing Speed |
m/s |
0.7±0.2 |
| Rated Contact Pressure |
N |
2000±200 |
| Contact Bounce Duration at Closing Operation |
ms |
<2 |
| Out of Simultaneity of Contact Closing and Operation |
ms |
<2 |
| Maximum Rebound During Opening |
mm |
<2 |
