FZN25-12D.FZRN25-12D Indoor High Voltage AC Vacuum Load Switch
Technical Parameters
|
Serial number |
Project |
Unit |
Parameter |
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|
FZN25-12D/T630/20 |
FZRN25-12D/T200/31.5 |
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|
1 |
Rated voltage |
kV |
12 |
||
|
2 |
Rated current |
A |
630 |
200 |
|
|
3 |
Rated frequency |
Hz |
50 |
||
|
4 |
Rated absolute level |
1min power frequency withstand voltage |
kV |
Interrupter break 30; ground, phase 42; isolation break 48 |
|
|
Lightning impulse withstand voltage (peak value) |
kV |
To ground, between phases 75; isolation break 85 |
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|
5 |
Rated short circuit withstand current |
kA |
20 |
|
|
|
6 |
Rated short circuit duration |
s |
4 |
|
|
|
7 |
Rated peak withstand current |
kA |
50 |
|
|
|
8 |
Rated effective load breaking current |
A |
630 |
|
|
|
9 |
Rated closed-loop breaking current |
A |
630 |
|
|
|
10 |
Rated cable charging breaking current |
A |
10 |
|
|
|
11 |
Rated breaking capacity of no-load transformer |
kVA |
1600 |
||
|
12 |
Rated short-circuit breaking current |
kA |
- |
31.5 |
|
|
13 |
Rated transfer current |
A |
|
200 |
|
|
14 |
Fuse model |
|
|
SDLAJ-12 SFLAJ-12 |
|
|
15 |
Impactor output energy |
J |
|
1+0.5 |
|
|
16 |
Rated short-circuit making current |
kA |
50 |
80 (expected value) |
|
|
17 |
Rated short-time withstand current of grounding switch |
kA |
20 |
||
|
18 |
Rated short-circuit duration of earthing switch |
s |
2 |
||
|
19 |
Rated peak withstand current of grounding switch |
kA |
50 |
||
|
20 |
Auxiliary circuit rated voltage |
V |
≌220 ≌110 |
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|
21 |
Mechanical life |
Second-rate |
10000 |
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