| Customization: | Available |
|---|---|
| Type: | Load Break Switch |
| Structure: | Protection |
|
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Applicable conditions
|
|
item
|
Unit
|
FZN25-12D/T630-20
|
FZRN25-12D/T125-31.5
|
|
|
1
|
Rated voltage
|
KV
|
12
|
||
|
2
|
Rated frequency
|
HZ
|
50
|
||
|
3
|
Rated current
|
A
|
630
|
125
|
|
|
4
|
Rated insulation level
|
1min power frequency withstand voltage
|
KV
|
Arc extinguishing chamber fracture 30; To the ground, phase 42; Isolation fracture 48
|
|
|
Lightning shock withstand voltage
|
KV
|
To the ground, phase 75; Isolation fracture 85
|
|||
|
5
|
Rated dynamic stability current (peak value)
|
KA
|
50
|
-
|
|
|
6
|
4s heat stable current
|
KA
|
20
|
-
|
|
|
7
|
Rated active load breaking current
|
A
|
630
|
125
|
|
|
8
|
Rated closed-loop breaking current
|
A
|
630
|
125
|
|
|
9
|
Rated cable charging break current
|
A
|
10
|
10
|
|
|
10
|
Switch off no-load transformer capacity
|
KVA
|
1250
|
1250
|
|
|
11
|
Rated short-circuit breaking current
|
KA
|
-
|
31.5
|
|
|
12
|
Rated transfer current, rated AC current
|
A
|
-
|
2000
|
|
|
13
|
Model of the fuse
|
|
-
|
SDLAJ-12 SFLAJ-12
|
|
|
14
|
The impactor emits energy
|
J
|
-
|
2-5
|
|
|
15
|
Rated short-circuit closing current
|
KA
|
50
|
||
|
16
|
Rated dynamic stable current of the ground switch
|
KA
|
50
|
||
|
17
|
Ground switch 2S heat stabilized current
|
KA
|
20
|
||
|
18
|
Rated voltage of auxiliary loop
|
V
|
AC/CD220;110
|
||
|
19
|
Mechanical life
|
frequency
|
10000
|
||
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