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 | THE | 25 |
| Rated Peak Withstand Current | THE | 63 |
| Rated Short-circuit Making Current | THE | 63 |
| Rated Short-time Withstand Current | THE | 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 | mΩ |
|
| 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 |
|
| Out of Simultaneity of Contact Closing and Operation | ms |
|
| Maximum Rebound During Opening | mm |
|
