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English
|
Item |
Units |
parameter |
|
|
Rated voltage |
KV |
12 |
|
|
Power frequency withstand voltage |
Phase to phase |
KV |
42 |
|
Phase to ground |
KV |
48 |
|
|
Lightning impulse withstand voltage |
Phase to phase |
KV |
75 |
|
Phase to ground |
KV |
85 |
|
|
Rated frequency |
Hz |
50/60 |
|
|
Rated current |
A |
630.125 |
|
|
Rated short-circuit breaking current |
KV |
20.25 |
|
|
Rated short-time withstand current 4s |
KV |
20.25 |
|
|
Rated peak withstand current |
KV |
50.63 |
|
|
Rated short-circuit making current (peak value) |
A |
50.63 |
|
|
Rated transfer current |
A |
|
|
|
Rated active load breaking current |
A |
|
|
|
Rated closed-loop breaking current |
A |
|
|
|
5% Rated active load breaking current |
PC |
|
|
|
Partial discharge |
|
10 |
|
|
Rated operating sequence |
|
0-0.3S-CO- 180S-CO |
|
|
Weight of whole cabinet |
|
200 |
|
|
Mechanical life |
Circuit breaker |
Times |
10000 |
|
Load switch disconnector |
3000 | ||
|
Earthing switch |
3000 | ||
|
Electrical life |
Times |
E2 |
|
|
Water immersion test |
|
12KV 24h (30kpa under water |
|
|
Internal arcing test |
|
20KA 0.5s-1s |
|
|
Degree of protection |
1 Part |
|
IP67 |
|
Ring network cabinet |
|
IP4X |
|
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