Products and Services
Working conditions:
1. Surrounding air temperature: -40℃~+55℃, daily temperature difference: 25℃
2. Altitude: not higher than 2000m
3. Wind speed: no more than 35m/s
4. No frequent severe vibration
5. No corrosive gas or medium (such as acid, alkali and dense smoke)
6. Pollution grade: IV
7. Storage temperature: -40℃~+85℃
8. Total weight of outdoor AC high voltage vacuum circuit breaker: 70kg
9. Overall dimensions (height x width x depth) of outdoor AC high voltage vacuum circuit breaker: 690x890x605 (mm)
No.
|
Items
|
Units
|
Values
|
|
1
|
Rated Voltage
|
kV
|
12
|
|
2
|
Rated Current
|
A
|
630/1250
|
|
3
|
Rated Frequency
|
Hz
|
50
|
|
4
|
1min Power Frequency Withstand Voltage
|
Dry Test
|
kV
|
42/48
|
Wet Test
|
30
|
|||
5
|
Lightning Impulse Withstand Current (Peak Value): Phase to Phase, Phase to Ground/Breaking
|
kV
|
75/85
|
|
6
|
Rated Short Circuit Breaking Current
|
kA
|
20/25
|
|
7
|
Rated Short Circuit Making Current (Peak Value)
|
kA
|
50/63
|
|
8
|
Rated Peak Withstand Current
|
kA
|
50/63
|
|
9
|
4S Short Time Withstand Current
|
kA
|
20/25
|
|
10
|
Rated Operation Cycle
|
|
Opening-0.3s-Closing and Opening-180s-Closing and Opening
|
|
11
|
Breaking Times of Rated Short Circuit Current
|
Number of Times
|
30
|
|
12
|
Mechanical Life
|
Number of Times
|
10000
|
|
13
|
1min Power Frequency Withstand Voltage of Secondary Circuit
|
kV
|
2
|
No.
|
Items
|
Units
|
Values
|
1
|
Clearance Between Open Contacts
|
mm
|
9±1
|
2
|
Contacts Overtravel
|
mm
|
2±0.5
|
3
|
Opening Speed
|
m/s
|
1±0.2
|
4
|
Closing Speed
|
m/s
|
0.6±0.2
|
5
|
Contact Bounce Time While Closing
|
ms
|
≤2
|
6
|
Center Distance of Phases
|
mm
|
340±1.5
|
7
|
Three Phases Non-Simultaneity While Closing and Opening
|
ms
|
≤2
|
8
|
Conducting Loop Resistance of Each Phase
|
μΩ
|
<80
|
9
|
Closing Time
|
ms
|
25 ~ 45
|
10
|
Opening Time
|
ms
|
23 ~ 45
|