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Vacuum Interrupter TD 12kv 1600A 31.5KA (JUC618A) for VCB

Vacuum Interrupter TD 12kv 1600A 31.5KA (JUC618A) for VCB

Vacuum Interrupter TD 12kv 1600A 31.5KA (JUC618A)   for VCB
CategoriesVacuum Interrupter
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BrandJUCRO
ModelTD 12kv 1600A 31.5KA (JUC618A)
Unit PriceUS $ 128-130 / piece
FOB portShanghai/Ningbo
Terms of PaymentL/C, Western Union, MoneyGram, T/T
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Update Time2018-12-10
Detail Information

TD 12kv 1600A 31.5KA (JUC618A)  vacuum interrupter for VCB

Vacuum Interrupters accept customized order according to technical drawing or samples.

Main Technical Parameters

Main technical parameters

Rated voltage: 12 KV

Rated current: 1600A

Rated power frequency withstand voltage: 42 KV

Rated lightning impulse withstand voltage: 75 KV

Rated short circuit breaking current: 31.5KA

Rated short circuit making current(peak value): 80KA

Breaking operations under rated short circuit breaking current: 30 times

Rated short time withstand current: 31.5KA

Rated withstand current(peak value): 80KA

Rated duration of short circuit: 4 s

Mechanical life: 20,000 times

Closing force due to bellows and atmosphere: 120±50 N

Force required to hold contacts opening at full stroke: 190±50 N

Circuit resistance at lowest rated contacts force: 20μΩ

Storage life: 20 years

Limiting abrasion of contacts: 3 mm

 

Mechanical requiements of vacuum circuit breaker

Clearance between opening contacts: 11±1 mm

Average opening speed(Contacts closing position~75% contacts opening distance): 1.1±0.2 m/s

Average closing speed(30% contacts opening distance~contacts closing position): 0.6±0.2 m/s

Rated contacts pressure: 3150±200 N

Contacts bouncing duration at closing operation: ≤2 ms

Contacts re-bouncing clearance at opening operation: ≤2 mm

Synchronism of three phases: ≤1 ms

Items

Value

Rated voltage

12KV

Rated current

1600A

Rated frequency

50Hz

Rated power frequency withstand voltage

42kV

Rated lightning impulse withstand voltage

75kV

Rated short circuit breaking current

31.5KA

Rated short circuit making current(peak value)

80KA

Breaking operations under rated short circuit breaking current

30 times

Rated short time withstand current

31.5kA

Rated withstand current(peak value)

80kA

Rated duration of short circuit

4s

Mechanical life

20000 times

Closing force due to bellows and atmosphere

120±50N

Force required to hold contacts opening at full stroke

190±50N

Circuit resistance at lowest rated contacts force

20μΩ

Storage life

20 years

Limiting abrasion of contacts

3mm

 

 

Mechanical requiements of vacuum circuit breaker

Items

Value

Clearance between opening contacts

11±1mm

Average opening speed(Contacts closing position~75% contacts opening distance)

1.1±0.2 m/s

Average closing speed(30% contacts opening distance~contacts closing position)

0.6±0.2 m/s

Rated contacts pressure

3150±200N

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 area
Workshop

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. 
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