Breaking Capacity: | 20ka, 25ka, 31.5ka |
---|---|
Operation: | Manual Type |
Speed: | Normal Type Circuit Breaker |
Arc-extinguishing Medium: | Oil-immersed Type |
Installation: | Fixed |
Structure: | ACB |
Customization: |
---|
Suppliers with verified business licenses
Main Technical Parameters
|
|
|
|
|
|
|||||
No.
|
Item
|
|
Unit
|
Data
|
|
|||||
1
|
Rated frequency
|
|
Hz
|
50
|
|
|||||
2
|
Rated voltage
|
|
kV
|
12
|
|
|||||
3
|
Rated current
|
|
A
|
630
|
1250
|
|||||
4
|
Rated short-time power frequency withstand voltage |
Interphase, to earth(wet)
|
kV/min
|
34/1
|
|
|||||
|
|
Interphase, to earth(dry)
|
|
42/1
|
|
|||||
|
|
Fracture (dry)
|
|
48/1
|
|
|||||
|
|
Secondary circuit to earth
|
|
2/1
|
|
|||||
5
|
Rated lightning impulse withstand voltage
|
Interphase, to earth
|
kV
|
75
|
|
|||||
|
|
Fracture
|
|
85
|
|
|||||
6
|
Rated short-circuit breaking current
|
|
kA
|
20/25
|
|
|||||
7
|
Rated short-circuit making current(peak)
|
|
|
50/63
|
|
|||||
8
|
Rated short-time withstand current and duration
|
|
kA/s
|
(20/25)/4
|
|
|||||
9
|
Rated peak withstand current
|
|
kA
|
50/63
|
|
|||||
10
|
Rated short-circuit breaking current breaking times
|
|
Times
|
30 (E2 Level)
|
|
|||||
11
|
Gas Rated Gauge Pressure
|
|
MPa
|
0
|
|
|||||
12
|
Main circuit resistance
|
|
μΩ
|
≤120
|
|
|||||
13
|
Rated Operating Voltage and Rated Voltage for auxiliary(control) circuit
|
|
V
|
AC/DC220,DC48,DC24
|
|
|||||
14
|
Mechanical life
|
|
Times
|
10000 (M2 level)
|
|
|||||
Note: If the altitude is over 1000m, the rated insulation level should be modified as appropriate.
|
|
|
|
|
|
Suppliers with verified business licenses