金陵棋牌

Hubei Dayu Hanguang Vacuum Electric Co.,Ltd.
您身边的真空元器件专家

0712-2883988

Products

Home Page > VI for outdoor circuit breakers > Vacuum interrupter for outdoor circuit breaker TD3
Vacuum interrupter for outdoor circuit breaker TD3
  • Product name:

    Vacuum interrupter for outdoor circuit breaker TD3

    Hits: 0
    Category: VI for outdoor circuit breakers
    Model: VITD12/630-12.5
Product details
1435902486528068.jpg
Main Technical Parameter
Rated voltage12kV
Rated current630A
Rated frequency50Hz
Rated short-time Power frequency withstand voltage42kV
Rated lightning impulse withstand voltage75kV
Rated short-circuit breaking current12.5kA
Rated short-circuit making current(peak)31.5kA
Breaking operations of rated short circuit breaking current30 times
Rated breaking current of single capacitor bank400A
Rated short-time withstand current12.5kA
Rated peak withstand current31.5kA
Rated duration of short-circuit4 s
Mechanical endurance10000 times
Closing force due to bellow and atmosphere70±40N
Force required to hold contacts open at full storke120±50N
Circuit resistance at lowest rated contact force≤30μΩ
Storage life20 years
Contacts limit erosion3mm
Weight of movable parts≤0.7 kg
MECHANICAL DATA REQUIRED FOR THE MATCHED VACUUM SWITCHGEAR
Clearance between open contacts9±1 mm
Contact connection stroke3.5±0.5mm
Average opening speed(average of 75% contact gap)1.0±0.25m/s
Average closing speed(average of last 30% contact gap)0.65±0.15m/s
Rated added extemal contact final force1300±100N
Contact bouncing duration at closing operation≤2 ms
Closing and opening non-simultaneity of three-phase contacts≤1 ms

69棋牌 开元棋牌 456棋牌APP下载 爱乐彩票平台 光明棋牌下载 翡翠棋牌 金陵棋牌游戏 456棋牌游戏中心 金陵棋牌555棋牌游戏APP下载 光明棋牌下载