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Vacuum Interrupter TF 12kv 630A 20KA (JUC702) for load break switch use from JUCRO Electric
Vacuum Interrupter TF 12kv 630A 20KA (JUC702) for load break switch use from JUCRO Electric
Categories Vacuum Interrupter Album View larger image Brand JUCRO Model JUC702 Unit Price US $ 44 / piece FOB port Shanghai/Ningbo Terms of Payment L/C, Western Union, MoneyGram, T/T Download DOC 
Update Time 2020-05-26 Detail InformationVacuum Interrupter TF 12kv 630A 20KA (JUC702) for load break switch use from JUCRO Electric
Vacuum Interrupters accept customized order according to technical drawing or samples.Main Technical Parameters
Main technical parameters
Items
Value
Rated voltage
12KV
Rated current
630A
Rated frequency
50Hz
Rated power frequency withstand voltage(1 min)
42kV
Rated lightning impulse withstand voltage
75kV
Rated short time withstand current
20KA
Rated withstand current(peak value)
50KA
Rated short circuit making current(peak value)
50KA
Rated closed-loop breaking current
630A
Rated active load breaking current
630A
Rated cable charging breaking current
10A
Rated duration of short circuit
4s
Mechanical life
10000 times
Closing force due to bellows and atmosphere
70±20N
Force required to hold contacts opening at full stroke
120±30N
Circuit resistance at minimum contacts force
≤40μΩ
Storage life
20 years
Limiting abrasion of contacts
3mm
Mechanical requirements of vacuum circuit breaker
Items
Value
Clearance between opening contacts
6±1mm
Average opening speed(Contacts closing position~75% contacts opening distance)
1.0±0.2 m/s
Average closing speed(30% contacts opening distance~contacts closing position)
0.6±0.2 m/s
Rated contacts pressure
900±100N
Contacts bouncing duration at closing operation
≤2ms
Contacts re-bouncing clearance at opening operation
≤2mm
Synchronism of three phases
≤1ms
Packing & Delivery
Strong package, Safety first.
Inside with foam to support the product, put it in carton or wooden box, fixed it on pallet.
As long as possible to keep the products safe until it arriving customer's warehouse.
Clearly marking label outside of package, customers will be easy to identify their goods.Our Company
20000 M2 of JUCRO Electric company land
1500 M2 of office building
5000 M2 of workshop building
Inside of JUCRO Electric office building
Inside of JUCRO Electric office building
JUCRO Electric office work areaWorkshop
Vacuum Interrupter Workshop
Accept customized order.
Design the Vacuum Interrupter for you.
VCB Production Line
VCB Vacuum Circuit Breaker production Line.
VCB Production Line
VCB Vacuum Circuit Breaker production line, Engineers routine inspection.Quality Inspection
Carefully inspection of each product, Quality guaranteed
completely data records of entire process , all the product data can be traced.Related ProductsPlease send your message to usProfessional production line solution provider！
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