vacuum interrupter for contactor
Wuhan Feite Electric Co., Ltd. [China]
Minimum Order: 0
Quality/Safety Certification: 0.00
1.vacuum interrupter
2.Rated voltage 3.6kv
3.Rated current 630/1250A
4.Rated breaking current,max 5.0/8.0
5.OEM service
low and high voltage ceramic vacuum interrupter for contactor | ||
Main Technical Data | ||
Rated voltage | kv | 3.6 |
Rated current | A | 630/1250 |
Rated frequency | Hz | 50 |
Rated short-time power frequency withstand voltage(1min) | kv | 21 |
Rated lighting impulse withstand voltage | kv | 40 |
Rated making current | kA | 6.3/10 |
Rated breaking current,max | kA | 5.0/8.0 |
Rated breaking current,min | kA | 125/250/320 |
Rated making current,limit | kA | 6.3/10 |
Rated short-time withstand current | kA | 5.0/8.0 |
Rated duration of short-circuit | s | 4 |
Mechanical life | times | 50×10000 |
Electricity life AC-3 | times | 25×10000 |
Electricity life AC-4 | times | 25×10000 |
Rated contact stroke | mm | 4±1 |
Contact closing force due to bellows and atmosphere | N | 120±40 |
Counterforce at rated contact stroke | N | 180±50 |
Circuit resistance at rated contact atmosphere force | μΩ | ≤60 |
Shelf life | years | 20 |
Contact erosion limit | mm | 3 |
Weight of moving parts | kg | ≤0.6 |
Mechanical Data Required For Matched Vacuum Switchgear | ||
Average opening speed | m/s | 0.6±0.2 |
Average closing speed | m/s | 0.3±0.1 |
Added contact force | N | 110±10 |
Contact bouncing duration at closing operation | ms | ≤2 |
Contact bouncing bank amplitude of opening operation | ms | ≤2 |
Three-pole simultaneity | ms | ≤1 |
Note:Rated characteristics can be given on requirment |