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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

额定电压

40.5kV

Rated current

额定电流

800A

Rated frequency

额定频率

50/60Hz

Rated short circuit breaking current

额定短开断电流

20KA

Breaking operations under rated short circuit breaking current

额定短路开断次数

30 times

Rated short circuit making current(peak value)

额定短路关合电流(峰值)

50KA

Rated withstand current(peak value)

额定短时耐受电流(峰值)

50kA

Rated short time withstand current

额定短时耐受电流

20kA

Rated breaking current of single capacitor bank

额定单个电容器组开断电流

#630A

Rated breaking current of back to back capacitor bank

额定背对背电容器开断电流

#400A

Rated power frequency withstand voltage (1 min)

额定工频耐受电压1分钟

*85/95kV

Rated lightning impulse withstand voltage

额定雷电冲击耐受电压

*185kV

Circuit resistance at lowest rated contacts force

额定触头压力下限时的回路电阻

≤25μΩ

Mechanical life

机械寿命

10000 times

Closing force due to bellows and atmosphere

触头自闭力

100±30N

Force required to hold contacts opening at full stroke

触头反力

200±30N

Rated duration of short circuit

额定短路持续时间

4s

Limiting abrasion of contacts

触头允许磨损厚度

3mm

Storage life

允许贮存期

20 years

Moving mass of interrupter

运动部分质量

0.62kg

Rated operating sequence

额定操作顺序

O-0.3s-CO-180s-CO


 

 

 

 

 

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

 

Mechanical requiements of vacuum circuit breaker

配用本真空灭弧室的真空断路器机械参数

Items

Value

Clearance between opening contacts

触头开距

14±0.5mm

Contact connection stroke

触头接触行程

4±1mm

Average opening speed

平均分闸速度

1.6±0.2 m/s

Average closing speed

平均合闸速度

0.8±0.2 m/s

Rated contacts pressure

额定触头压力

1800±200N

Contacts bouncing duration at closing operation

触头合闸弹跳时间

≤3ms

Contacts re-bouncing clearance at opening operation

触头分闸反弹幅值

≤1mm

Synchronism of three phases

三相不同期性

≤2ms


Note备注:

#订货时与JUCRO公司协商. Must contact with JUCRO.

*须有绝缘护套. 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

额定电压

40.5kV

Rated current

额定电流

800A

Rated frequency

额定频率

50/60Hz

Rated short circuit breaking current

额定短开断电流

20KA

Breaking operations under rated short circuit breaking current

额定短路开断次数

30 times

Rated short circuit making current(peak value)

额定短路关合电流(峰值)

50KA

Rated withstand current(peak value)

额定短时耐受电流(峰值)

50kA

Rated short time withstand current

额定短时耐受电流

20kA

Rated breaking current of single capacitor bank

额定单个电容器组开断电流

#630A

Rated breaking current of back to back capacitor bank

额定背对背电容器开断电流

#400A

Rated power frequency withstand voltage (1 min)

额定工频耐受电压1分钟

*85/95kV

Rated lightning impulse withstand voltage

额定雷电冲击耐受电压

*185kV

Circuit resistance at lowest rated contacts force

额定触头压力下限时的回路电阻

≤25μΩ

Mechanical life

机械寿命

10000 times

Closing force due to bellows and atmosphere

触头自闭力

100±30N

Force required to hold contacts opening at full stroke

触头反力

200±30N

Rated duration of short circuit

额定短路持续时间

4s

Limiting abrasion of contacts

触头允许磨损厚度

3mm

Storage life

允许贮存期

20 years

Moving mass of interrupter

运动部分质量

0.62kg

Rated operating sequence

额定操作顺序

O-0.3s-CO-180s-CO


 

 

 

 

 

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

 

Mechanical requiements of vacuum circuit breaker

配用本真空灭弧室的真空断路器机械参数

Items

Value

Clearance between opening contacts

触头开距

14±0.5mm

Contact connection stroke

触头接触行程

4±1mm

Average opening speed

平均分闸速度

1.6±0.2 m/s

Average closing speed

平均合闸速度

0.8±0.2 m/s

Rated contacts pressure

额定触头压力

1800±200N

Contacts bouncing duration at closing operation

触头合闸弹跳时间

≤3ms

Contacts re-bouncing clearance at opening operation

触头分闸反弹幅值

≤1mm

Synchronism of three phases

三相不同期性

≤2ms


Note备注:

#订货时与JUCRO公司协商. Must contact with JUCRO.

*须有绝缘护套. Need insulation cover.




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