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 contactors > Vacuum interrupter for contactor TJ240A
Vacuum interrupter for contactor TJ240A
  • Product name:

    Vacuum interrupter for contactor TJ240A

    Hits: 0
    Category: VI for contactors
    Model: VITJ7.2/630-6.3
Product details
1435904363118169.jpg
Main Technical Parameter
Rated voltage7.2KV
Rated current630A
Rated frequency50Hz
Rated short-time Power frequency withstand voltage32kV
Rated lightning impulse withstand voltage60kV
Rated making current6300A
Rated switching current5000A
Limit switching current6000A
Withstand overload current5000A
Electrical endurance AC-3250000 times
Electrical endurance AC-410000 times
Mechanical endurance300000 times
Closing force due to bellow and atmosphere70±30N
Force required to hold contacts open at full storke120±40N
Circuit resistance at lowest rated contact force≤60μΩ
Storage life20 years
Contacts limit erosion3mm
Weight of movable parts≤0.7kg
MECHANICAL DATA REQUIRED FOR THE MATCHED VACUUM SWITCHGEAR
Clearance between open contacts5±1 mm
Contact connection stroke3±0.5mm
Average opening speed0.4-0.5m/s
Average closing speed0.15-0.25m/s
Rated added extemal contact final force220±10N
Contact bouncing duration at closing operation≤2 ms
Closing and opening non-simultaneity of three-phase contacts≤2 ms

苹果彩票注册 金丰彩票官网 苹果彩票 苹果彩票官网 微购彩票官网 热购彩票网址 苹果彩票线路 苹果彩票平台 热购彩票投注 热购彩票