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Vacuum Interrupter TD-12KV 1250A 25Q3 (JUC2375) from JUCRO Electric

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Product Detail

Vacuum Interrupter TD-12KV 1250A 25Q3 (JUC2375) for circuit breaker from JUCRO Electric


主要技术参数Main Technical Data

Items

数值Value

额定电压

Rated Voltage

12KV

雷电冲击耐受电压(峰值)

Lightning Impulse withstand voltage(peak)

85KV

短时工频耐受电压(1min)

Short time power frequency withstand voltage (1 min)

48KV

额定频率

Rated frequency

50/60HZ

额定电流

Rated current

1250A

额定短时耐受电流

Rated short time withstand current

25KA

额定短路持续时间

Rated duration of short circuit

4s

额定峰值耐受电流

Rated peak withstand current

63KA

额定短路关合电流

Rated short circuit breaking current

63KA

额定短路开断电流

Rated short circuit breaking current

25KA

额定短路开断电流开断次数

Rated short circuit current breaking times

30 Times

单个电容器组开断电流

Rated breaking current of single capacitor bank

630A*

额定背对背电容器组开断电流

Rated back to back capacitor bank breaking current

400A*

机械寿命

Mechanical life

10000 Times

触头开距

Clearance between opening contacts

11+/-1mm

触头自闭力

Closing force due to bellow and atmosphere

110+/-40N

触头反力

Force required to hold contacts open at full stroke

210+/-40N

额定触头压力下限时的回路电阻

Circuit resistance at minimum rated contact force

≤23μΩ

触头允许磨损厚度

Contacts limit abrasion

3mm

运动部分质量

Weight of moving parts

1.2kg

内部气体压力

Internal pressure

<1.33*10 -3 Pa

允许储存期

Storage life

20 Years

额定操作顺序

Rated operating sequence

O-0.3s-CO-180s-CO

 

Model No.: TD-12/1250-25Q3(JUC2375)

配用的真空开关的机械参数Mechanical requirements of vacuum circuit breaker

Items

Value

平均分闸速度

Average opening speed

1.1±0.2m/s

平均合闸速度

Average closing speed

0.6±0.2m/s

触头合闸弹跳时间

Contacts bouncing duration at closing operation

≤2ms

触头分合闸不同期性

Synchronism of contact closing and opening

≤1ms

额定触头压力

Rated contact pressure

2000±300N

触头初始压力

Contact pressure at contact touch point

1400±300N

触头***分闸反弹量

Max re-bounce of contact at opening operation

2mm

触头分闸允许过冲

Over travel during opening

≤2mm

1.      “*”为需要提供的额定参数. 1. “*” Rated characteristics to be given on request.

2.      产品符合或超过IEC62271-100以及GB1984-2014E2级的要求. 2. Meets or exceeds the electrical endurance requirements of class E2 for IEC62271-100 and BG1984-2014.


No comment

Product Detail

Vacuum Interrupter TD-12KV 1250A 25Q3 (JUC2375) for circuit breaker from JUCRO Electric


主要技术参数Main Technical Data

Items

数值Value

额定电压

Rated Voltage

12KV

雷电冲击耐受电压(峰值)

Lightning Impulse withstand voltage(peak)

85KV

短时工频耐受电压(1min)

Short time power frequency withstand voltage (1 min)

48KV

额定频率

Rated frequency

50/60HZ

额定电流

Rated current

1250A

额定短时耐受电流

Rated short time withstand current

25KA

额定短路持续时间

Rated duration of short circuit

4s

额定峰值耐受电流

Rated peak withstand current

63KA

额定短路关合电流

Rated short circuit breaking current

63KA

额定短路开断电流

Rated short circuit breaking current

25KA

额定短路开断电流开断次数

Rated short circuit current breaking times

30 Times

单个电容器组开断电流

Rated breaking current of single capacitor bank

630A*

额定背对背电容器组开断电流

Rated back to back capacitor bank breaking current

400A*

机械寿命

Mechanical life

10000 Times

触头开距

Clearance between opening contacts

11+/-1mm

触头自闭力

Closing force due to bellow and atmosphere

110+/-40N

触头反力

Force required to hold contacts open at full stroke

210+/-40N

额定触头压力下限时的回路电阻

Circuit resistance at minimum rated contact force

≤23μΩ

触头允许磨损厚度

Contacts limit abrasion

3mm

运动部分质量

Weight of moving parts

1.2kg

内部气体压力

Internal pressure

<1.33*10 -3 Pa

允许储存期

Storage life

20 Years

额定操作顺序

Rated operating sequence

O-0.3s-CO-180s-CO

 

Model No.: TD-12/1250-25Q3(JUC2375)

配用的真空开关的机械参数Mechanical requirements of vacuum circuit breaker

Items

Value

平均分闸速度

Average opening speed

1.1±0.2m/s

平均合闸速度

Average closing speed

0.6±0.2m/s

触头合闸弹跳时间

Contacts bouncing duration at closing operation

≤2ms

触头分合闸不同期性

Synchronism of contact closing and opening

≤1ms

额定触头压力

Rated contact pressure

2000±300N

触头初始压力

Contact pressure at contact touch point

1400±300N

触头***分闸反弹量

Max re-bounce of contact at opening operation

2mm

触头分闸允许过冲

Over travel during opening

≤2mm

1.      “*”为需要提供的额定参数. 1. “*” Rated characteristics to be given on request.

2.      产品符合或超过IEC62271-100以及GB1984-2014E2级的要求. 2. Meets or exceeds the electrical endurance requirements of class E2 for IEC62271-100 and BG1984-2014.




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