12kv vacuum interrupter in vacuum circuit breaker/vacuum circuit breaker parts
|Main techical data:|
|Rated short-time power frequency withstand voltage(1min)||42kv|
|Rated lighting implus withstand current||75kv|
|Rated short-time withstand current||16ka|
|Rated peak withstand current||40ka|
|Rated short-circuit making current||40ka|
|Rated short-circuit breaking current||16ka|
|Breaking operation of rated short circuit breaking current||30times|
|Rated single capacitor bank breaking current *||400A|
|Rated duration of short-current||4s|
|Contact closing force due to bellows and atmosphere||80±40N|
|Counterforce at rated contact stroke||150±50N|
|ciruit resistance at rated contact force||≤25μΩ|
|Shelf life||20 years|
|Contact erosion limit||3mm|
|Weight of moving parts||≤1.3kg|
|Mechanical Date Required for Matched Vacuum Switchgear|
|Rated contact strok||11±1mm|
|Average opening speed||1.0±0.2m/s|
|Average closing speed||0.65±0.2m/s|
|Added contact force||1500±200N|
|contact bouncing bank amplitude ofopening operation||≤2mm|
|Note:* Rated characteristics be given on request|
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