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Specifications
VS1(ZN63A)-12KV/24KV Indoor High Voltage Vacuum Circuit Breaker1.Manual and electromotion operation
2.High reliable
Place of Origin: ZHEJIANG China (Mainland) Brand Name: Hengtong Model Number: VS1(ZN63A)
application : high voltage rated current: 630A-1250 rated voltage:12kv/24kv
Specifications
VS1-12 series indoor high voltage vacuum circuit breaker, 3-phase ac rated voltage isolator, and indoor 12kV voltage switchgears.And KYN28-12 (Z) (GZS1), also can complete switchgear with various types of complete switchgear.Applicable to transmission power substation, etc, and the control and protection system, and can also be used to frequent operation.GB1984 products comply with the requirements of high voltage circuit breaker exchanges.Its products have: isolation and fuse handcart, etc.
Mainly technical parameters
NO |
Item |
Units |
parameters |
|||
1 |
Rated voltage |
KV |
12 |
|||
2 |
Rated insulation level |
Rated Lightning Impulse voltage |
KV |
75 |
||
Power Frequency withstand voltage |
42 |
|||||
3 |
Rated short-circuit breaking current |
KA |
20/25 |
31.5/40 |
||
4 |
Rated current |
A |
630 1250 |
630,1250,1600 2000,2500,3150 |
1250,1600,2000 2500,3150,4000 |
|
5 |
4S Rated short circuit withstand current |
KA |
20/25 |
31.5/40 |
||
6 |
Rated peak value withstand current |
50/63 |
80/100 |
|||
7 |
Rated short-circuit closing current |
50/63 |
80/100 |
|||
8 |
Breaking times of Rated short-circuit breaking current |
times |
30 |
|||
9 |
Rated operating sequence |
0-0.3s-CO-180s-CO |
||||
10 |
Mechanical life |
Times |
10000 |
|||
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