12Series type indoor high voltage vacuum circuit breaker is rated voltage 12kV, three-phase AC 50Hz Indoor high-voltage switchgear ,apply for power stations, substations, and industrial and mining enterprises to control or protection transmission and distribution systems , especially for the important high altitude breaking load and frequent operation place.
Circuit breaker operating mechanism for the spring energy storage type, can use AC and DC energy storage operations, can also be used manually.
Circuit breaker can be equipped with long life permanent magnetic actuator, mechanical life can reached 60000 times ,can be used for extremely Frequent operation place.
Technical data:
| NO |
Item |
Units |
parameters |
| 1 |
Rated voltage |
KV |
12 |
| 2 |
Rated Frequency |
HZ |
50 |
| 3 |
Rated Current |
A |
630.1250.1600.2000.3150 |
| 4 |
Rated short-circuit breaking current |
KA |
20 25 31.5 |
| 5 |
Rated short-circuit closing current (peak) |
KA |
50 63 80 |
| 6 |
Rated short-circuit duration |
S |
4 |
| 7 |
Rated short-circuit breaking current breaking number |
nos |
50s |
| 8 |
Rated operating sequence |
|
0-0.3s-CO-180s-CO |
| 9 |
Rated lightning impulse withstand voltage |
kv |
125 |
| 10 |
1min power frequency withstand voltage |
KV |
65 |
| 11 |
Closing time |
ms |
≤ 70 |
| 12 |
opening time |
ms |
≤ 50 |
| 13 |
Mechanical life |
Times |
20000 |
| 14 |
Rated Storage and operation voltage |
V |
AC DC 220/110 |
| 15 |
Breaking life |
ms |
≤ 80 |
| 16 |
Storage life |
s |
≤ 10 |
| Adjust the parameters of mechanical properties: |
| No |
Item |
Unit |
Parameters |
| 1 |
Contact distance |
mm |
14±1 |
| 2 |
Contact Over-travel |
mm |
3.5±1 |
| 3 |
Closing speed |
m/s |
1.0±0.2 |
| 4 |
Opening speed |
m/s |
1.3±0.2 |
| 5 |
Contact closing spring time |
ms |
≤2 |
| 6 |
Rated contact pressure |
N |
20KA(2400±200) 25KA(2400±200) 31.5KA(3100±200) |
| 7 |
Three phase closing opening asynchrony |
ms |
≤2 |
COMPANY PROFILE:
AN HUANG isa modern company of professional design and manufacturer of 3.6kV to 40.5kV Medium Voltage cable accessories, electric components and whole set cabinet Subsidiaries:Anhuang Electric Power Technology Co.,Ltd
Zhejiang Anhuang Imp & Exp. Co .. Ltd. We provide high quality, low cost products for utility systems worldwide
Company constantly introducing new technology,newcraft, the product structure constantly improved.Our Professional
production testing equipment.special production technology and professional service team can satisfy the customers demand.
Our professioal engineers,technicansand managers team always keep our promise:ANHUANG is not only provide cost-effective high quality products.but also provide high quality, efficient, fast service and technical support to ensure customers' require.
Our company obtained international quality management system ccertification for ISO9001,ISO1401,OHSAS18001.
Our company adhenring to the "safety electricity, forever brilliant " as our enterprise's humanism. Willing to work with you hand in hand to build better future
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