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 | THE | 50 |
Rated Short-circuit Making Current | THE | 50 |
Rated Short-time Withstand Current | THE | 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 | 0.5 |
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 | 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 | 1.0±0.2 |
Average Closing Speed | m/s | 0.6±0.2 |
Rated Contact Pressure | N | 900±200 |
Contact Bounce Duration at Closing Operation | ms |
|
Out of Simultaneity of Contact Closing and Operation | ms |
|
Maximum Rebound During Opening | mm | 2 |
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.