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Vacuum Interrupter JUCA-40.5, 38KV 800A 20KA (JUCA-61179A) from JUCRO Electric

vacuum interrupter accept customized order design for you

Product Detail

Vacuum Interrupter JUCA-40.5, 38KV 800A 20KA (JUCA-61179A) for circuit breaker from JUCRO Electric


Main technical parameters

Items

Value

Rated voltage

40.5kV

Rated current

800A

Rated frequency

50/60Hz

Rated short circuit breaking current

20KA

Breaking operations under rated short circuit breaking current

30 times

Rated short circuit making current(peak value)

50KA

Rated withstand current(peak value)

50kA

Rated short time withstand curren

20kA

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)

*85/95kV

Rated lightning impulse withstand voltage

*185kV

Circuit resistance at lowest rated contacts force

≤25μΩ

Mechanical life

10000 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

0.62kg

Rated operating sequence

O-0.3s-CO-180s-CO


 

 

 

 

 

Model No.: JUCA-40.5, 38/800-20(JUCA-61179A)

 

Mechanical requiements of vacuum circuit breaker

Items

Value

Clearance between opening contacts

14±0.5mm

Contact connection stroke

4±1mm

Average opening speed

1.6±0.2 m/s

Average closing speed

0.8±0.2 m/s

Rated contacts pressure

1800±200N

Contacts bouncing duration at closing operation

≤3ms

Contacts re-bouncing clearance at opening operation

≤1mm

Synchronism of three phases

≤2ms


Note:

# Must contact with JUCRO.

* Need insulation cover.


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Product Detail

Vacuum Interrupter JUCA-40.5, 38KV 800A 20KA (JUCA-61179A) for circuit breaker from JUCRO Electric


Main technical parameters

Items

Value

Rated voltage

40.5kV

Rated current

800A

Rated frequency

50/60Hz

Rated short circuit breaking current

20KA

Breaking operations under rated short circuit breaking current

30 times

Rated short circuit making current(peak value)

50KA

Rated withstand current(peak value)

50kA

Rated short time withstand curren

20kA

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)

*85/95kV

Rated lightning impulse withstand voltage

*185kV

Circuit resistance at lowest rated contacts force

≤25μΩ

Mechanical life

10000 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

0.62kg

Rated operating sequence

O-0.3s-CO-180s-CO


 

 

 

 

 

Model No.: JUCA-40.5, 38/800-20(JUCA-61179A)

 

Mechanical requiements of vacuum circuit breaker

Items

Value

Clearance between opening contacts

14±0.5mm

Contact connection stroke

4±1mm

Average opening speed

1.6±0.2 m/s

Average closing speed

0.8±0.2 m/s

Rated contacts pressure

1800±200N

Contacts bouncing duration at closing operation

≤3ms

Contacts re-bouncing clearance at opening operation

≤1mm

Synchronism of three phases

≤2ms


Note:

# Must contact with JUCRO.

* Need insulation cover.




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Vacuum Interrupter JUCA-40.5, 38KV 800A 20KA (JUCA-61179A) from JUCRO Electric

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