20-24kV
Indoor fix type VCB
Product parameters:
· Indoor switchgear installation
· Three phase three wire
· Rated voltage: 20kV, 22kV, 24kV
· Rated current: 630-4000A
· Short-circuit breaking current: 20-40kA
· Short-circuit closing current(peak): 50-100kA
· Installation type: Fix type
· Standard: IEC, ANSI, GB
· Type name: UNVS1-22, ZN63-24, VS1-24
General
UNVS1-12 (ZN63) series indoor vacuum circuit breaker is a three-phase AC 50-60Hz, rated voltage of 20kV, 22kV, and 24kV indoor switchgear, control and protection for industrial and mining enterprises, power plants and substations , electrical facilities , and for frequent operation place .Adopting VET operating mechanism and circuit breaker integrated , design can be used as a fixed installation unit can also be equipped with special advance mechanism , the com position of handcart unit used. Some of the main circuit can use the whole solid seal post, in order to achieve smaller circuit breakers, high reliability , maintenance—free, can be equipped with UN-P28-12(GZS) and other handcart switch cabinet in the home can also be used with fixed XGN switchgear.
Standard
All UNISUN Electric breaker are in conformity with IEC standards, and recommendations IEC60694、IEC6227-100. Breakers in conformity with specific country standards can also be supplied. (IEEE, GB).
Specification data sheet
|
Rated voltage |
kV |
12 |
24 |
36 |
40.5 |
|||
|
Rated frequency |
Hz |
50 -60 |
50 – 60 |
50 – 60 |
50 – 60 |
|||
|
Rated normal current |
A |
630…4000 |
630.25 |
630…3150 |
630…3150 |
|||
|
Rated short-circuit breaking current |
kA |
16.31.5 |
40 |
50 |
63 |
16.31.5 |
16.4 |
16.4 |
|
Rated short-circuit making current |
kA |
40.8 |
100 |
1254) |
158 |
40.8 |
40.1 |
40.1 |
|
Rated duration of short- circuit4) |
s |
3 |
3 |
3 |
3 |
3 |
3 |
4 |
|
Fixed- / withdrawable Version |
• / • |
• / • |
• / • |
•/ – |
• / • |
• / • |
• / • |
|
|
Max. overall dimensions (fixed Version)
|
mm p H a b c |
150-275 205-310 450-700 424 461-5996) |
210-275 310 570-700 424 5996) |
210-275 310 600-750 459 6088) |
275 310 750 459 677 |
210-275 310 570-700 424 631-661 |
280/360 328 8957)/1000 555/6867) 1575 |
280/360 328 8957)/1000 555/6867) 1575 |
|
Weight |
kg |
73-105 |
94-180 |
147-260 |
265 |
100-110 |
290-365 |
290-365 |
|
Embedded Pole |
• |
• |
• |
• |
• |
• |
||
|
Assembled Pole |
• |
• |
• |
|||||
- Products can be customized by customer requirements, above data is standard data, customized data please contact us.
Overall dimension
- Products can be customized by customer requirements, above dimension may change, correct dimension please contact us.
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