10KV vacuum interrupter embedded poles for circuit breaker
|Main techical data:|
|Rated short-time power frequency withstand voltage(1min)||48kv|
|Rated lighting implus withstand current||85kv|
|Rated short-time withstand current(4s)||25/31.5kA|
|Rated peak withstand current||63/80kA|
|Rated short-circuit current||63/80kA|
|Rated short-circuit breaking current||25/31.5kA|
|Breaking operations of rated short circuit breaking current||30 times|
|Rated single capacitor bank breaking current *||630A|
|Rated back-to-back cap acitor breaking current||400A|
|Contact closing force due to bellows and atmosphere||100±30N|
|Counterforce at rated contact stroke||200±30N|
|ciruit resistance at rated contact force||≤20μΩ|
|Shelf life||20 years|
|Contact erosion limit||3mm|
|Mechanical Date Required for Matched Vacuum Switchgear|
|Rated contact strok||9±1mm|
|Contact connection stroke||4±1mm|
|Average opening speed||1.1±0.2m/s|
|Average closing speed||0.8±0.2m/s|
|Added contact force||3000±200N|
|contact bouncing duration at closing operation||≤2ms|
|Out of simultaneity of contact closing and opening||≤2ms|
|Note:* Rated characteristics be given on request|
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