product
KYN28A-12 Metal-clad movable cabinet
KYN28A-12 type cabinet is suitable for indoor use in system of 3.6 -12KV、AC 50HZ/60HZ、rated current 630-3150A、single busbar section, as an indoor complete distribution equipment to accept and distribute power in electric power plants, substation, industrial and mining enterprises with function of circuit control, protection and monitoring. It is equipped with VD4 circuit breaker by ABB. Modern design, compact structure, safety and reliability will serve the customers to the best.
Working conditions:
1. Ambient temperature: -10° C~+ 40° C
2. Altitude: ≤3000m
3. Relative humidity: Daily average ≤95% , daily average of water vapor pressure ≤2.2 kpaMonthly average ≤90%, monthly average of water vapor pressure ≤1.8kpa
4. Earthquake intensity: ≤ magnitude 8
5. Working in places without danger of corrosive or inflammable gas and obvious pollution
6. Note: Customized products are available.
Technical parameters:
|
No. |
Description |
Unit |
Specification |
|||||
|
1 |
Rated voltage |
kV |
12 |
|||||
|
2 |
Rated short-time power frequency withstand voltage (1min) |
kV |
42 |
|||||
|
3 |
Rated lightning impulse withstand voltage(peak) |
kV |
75 |
|||||
|
4 |
Rated frequency |
Hz |
50/60 |
|||||
|
5 |
Rated current |
A |
630 |
630 1250 |
1250 1600 |
|
||
|
1600 2000 |
2000 2500 |
|
||||||
|
1250 |
2500 3150 |
3150 |
||||||
|
6 |
Rated short-time breaking current |
kA |
25 |
31.5 |
40 |
|||
|
7 |
Rated short-time withstand current |
25 |
31.5 |
40 |
||||
|
8 |
Rated short-circuit lasting time |
s |
4 |
|||||
|
9 |
Rated peak withstand current |
kA |
63 |
80 |
100 |
|||
|
10 |
Rated short-time making current |
63 |
80 |
100 |
||||
|
11 |
Secondary circuit power frequency withstand voltage (1min) |
V |
2000 |
|||||
|
12 |
Opening time (rated voltage) |
ms |
20~50 |
|||||
|
13 |
Closing time (rated voltage) |
ms |
35~70 |
|||||