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Vacuum interrupter JUCA 12KV 1250A 25KA (JUCA613) for VCB vacuum circuit breaker use from JUCRO Electric
Vacuum interrupter JUCA 12KV 1250A 25KA (JUCA613) for VCB vacuum circuit breaker use from JUCRO Electric
Categories Vacuum Interrupter Album View larger image Brand JUCRO Model JUCA613 Unit Price US $ 92 / piece FOB port Shanghai/Ningbo Terms of Payment L/C, Western Union, MoneyGram, T/T Download DOC 
Update Time 2020-10-30 Detail InformationVacuum interrupter JUCA 12KV 1250A 25KA JUCA613 for VCB Vacuum Circuit Breaker use from JUCRO Electric.
Vacuum Interrupters accept customized order according to technical drawing or samples.The vacuum interrupter use the wave ceramic as insulating shell, the contact material is CuCr alloy, the longitudinal magnetic field cup structure, with high breaking capacity, high insulation level, strong arc extinguishing ability, long life, small size and easy maintenance, No explosion risk, no pollution, low noise and so on.Main Technical Parameters
Items
Value
Rated voltage
12kV
Rated current
1250A
Rated frequency
50/60Hz
Rated short circuit breaking current
25KA
Breaking operations under rated short circuit breaking current
30 times
Rated short circuit making current(peak value)
63KA
Rated withstand current(peak value)
63kA
Rated short time withstand current
25kA
Rated breaking current of single capacitor bank
#630A
Rated breaking current of back to back capacitor bank
#400A
Rated power frequency withstand voltage (1 min)
49kV
Rated lightning impulse withstand voltage
85kV
Circuit resistance at lowest rated contacts force
≤25μΩ
Mechanical life
20000 times
Closing force due to bellows and atmosphere
100±30N
Force required to hold contacts opening at full stroke
200±30N
Rated duration of short circuit
4s
Limiting abrasion of contacts
3mm
Storage life
20 years
Moving mass of interrupter
0.84kg
Rated operating sequence
O-0.3s-CO-180s-CO
Mechanical requiements of vacuum circuit breaker
Items
Value
Clearance between opening contacts
9±1mm
Contact connection stroke
4±1mm
Average opening speed
1.1±0.2 m/s
Average closing speed
0.6±0.2 m/s
Rated contacts pressure
2400±200N
Contacts bouncing duration at closing operation
≤3ms
Contacts re-bouncing clearance at opening operation
≤2mm
Synchronism of three phases
≤2ms
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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