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Vacuum Interrupter JUCA-40.5KV 1600A, 1250A 31.5KA, 25KA (JUCA-61171) from JUCRO Electric

vacuum interrupter accept customized order design for you

Product Detail

Vacuum Interrupter JUCA-40.5KV 1600A, 1250A 31.5KA, 25KA (JUCA-61171) for circuit breaker from JUCRO Electric


Main technical parameters

Items

Value

Rated voltage

40.5kV

Rated current

1600, 1250A

Rated frequency

50/60Hz

Rated short circuit breaking current

31.5/25KA

Breaking operations under rated short circuit breaking current

30 times

Rated short circuit making current(peak value)

80/63KA

Rated withstand current(peak value)

80/63kA

Rated short time withstand current

31.5/25kA

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)

*95kV

Rated lightning impulse withstand voltage

*185kV

Circuit resistance at lowest rated contacts force

≤15μΩ

Mechanical life

20000 times

Closing force due to bellows and atmosphere

200±60N

Force required to hold contacts opening at full stroke

300±60N

Rated duration of short circuit

4s

Limiting abrasion of contacts

3mm

Storage life

20 years

Moving mass of interrupter

2.0kg

Rated operating sequence

O-0.3s-CO-180s-CO


 

Model No.: JUCA-40.5/1600, 1250-31.5, 25(JUCA-61171)

Mechanical requiements of vacuum circuit breaker


Items

Value

Clearance between opening contacts

18±1mm

Contact connection stroke

6±2mm

Average opening speed

1.4-2.0 m/s

Average closing speed

0.8-1.2 m/s

Rated contacts pressure

3100±300N

Contacts bouncing duration at closing operation

≤5ms

Contacts re-bouncing clearance at opening operation

≤2mm

Synchronism of three phases

≤2ms


Note:

# Must contact with JUCRO.

Need insulation cover.


No comment

Product Detail

Vacuum Interrupter JUCA-40.5KV 1600A, 1250A 31.5KA, 25KA (JUCA-61171) for circuit breaker from JUCRO Electric


Main technical parameters

Items

Value

Rated voltage

40.5kV

Rated current

1600, 1250A

Rated frequency

50/60Hz

Rated short circuit breaking current

31.5/25KA

Breaking operations under rated short circuit breaking current

30 times

Rated short circuit making current(peak value)

80/63KA

Rated withstand current(peak value)

80/63kA

Rated short time withstand current

31.5/25kA

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)

*95kV

Rated lightning impulse withstand voltage

*185kV

Circuit resistance at lowest rated contacts force

≤15μΩ

Mechanical life

20000 times

Closing force due to bellows and atmosphere

200±60N

Force required to hold contacts opening at full stroke

300±60N

Rated duration of short circuit

4s

Limiting abrasion of contacts

3mm

Storage life

20 years

Moving mass of interrupter

2.0kg

Rated operating sequence

O-0.3s-CO-180s-CO


 

Model No.: JUCA-40.5/1600, 1250-31.5, 25(JUCA-61171)

Mechanical requiements of vacuum circuit breaker


Items

Value

Clearance between opening contacts

18±1mm

Contact connection stroke

6±2mm

Average opening speed

1.4-2.0 m/s

Average closing speed

0.8-1.2 m/s

Rated contacts pressure

3100±300N

Contacts bouncing duration at closing operation

≤5ms

Contacts re-bouncing clearance at opening operation

≤2mm

Synchronism of three phases

≤2ms


Note:

# Must contact with JUCRO.

Need insulation cover.




Vacuum Interrupter JUCA-40.5KV 1600A, 125...

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Vacuum Interrupter JUCA-40.5KV 1600A, 1250A 31.5KA, 25KA (JUCA-61171) from JUCRO Electric

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