| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Manual Type |
|
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|
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|
NO.
|
Items
|
Unit
|
Data
|
||
|
FZN25-12D/T630-20
|
FZRN25-12D/T125-31.5
|
||||
|
1
|
Rated voltage
|
KV
|
12
|
||
|
2
|
Rated frequency
|
Hz
|
50
|
||
|
3
|
Rated Current
|
A
|
630
|
200
|
|
|
4
|
Rated insulation level
|
1 min power frequency withstanded insulation voltage
|
KV
|
Arc chamber between open contacts 30: To earth, phase to phase 42;Isolation between open contacts 48
|
|
|
Lightning impulse withstand voltage
|
KV
|
To earth phase to phase 75: solation between open contact 85
|
|||
|
5
|
Rated short-time withstand current
|
KA
|
20
|
|
|
|
6
|
Rated short circuit duration
|
S
|
4
|
|
|
|
7
|
Rated peak withstand curent
|
KA
|
50
|
|
|
|
8
|
Rated active load breaking current
|
A
|
630
|
|
|
|
9
|
Rated closed-loop breaking current
|
A
|
630
|
|
|
|
10
|
Rated cable charging breaking current
|
A
|
10
|
||
|
11
|
Rated breaking no-load transformer capacity
|
KVA
|
1600
|
||
|
12
|
Rated short-circuit breaking current
|
KA
|
-
|
31.5
|
|
|
13
|
Rated transfer current
|
A
|
|
2000
|
|
|
14
|
Fuse Type
|
|
|
SDLAJ-12 XPNT1-12
|
|
|
15
|
IImpactor output energy
|
J
|
|
1+0.5
|
|
|
16
|
Rated short circuit dosing current
|
KA
|
|
80 (expected peak)
|
|
|
17
|
Earthing switch rated short-fime withstand current
|
KA
|
20
|
||
|
18
|
Earthing switch rated short circuit duration
|
S
|
2
|
||
|
19
|
Earthing switch rated peak withstand current
|
KA
|
50
|
||
|
20
|
Auxiliary circuit rated voltage
|
V
|
≈220V,≈110V
|
||
|
21
|
Mechanical life
|
Times
|
1000
|
||
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