| Chapa | Wone Store |
| Namba ya Modeli | breaker wa mizigo wa kiwango kimoja wa kupimia umbo wa magneeti na kutumia vacuu |
| volts maalum | 12kV |
| Mkato wa viwango | 2000A |
| Kukutana kasi ya mwisho kwa current ya majanga | 25kA |
| Siri | MS5 |
Seria ya circuit breakers ya MS5-12-630/20-XX ni switchgear yenye nje ya vitu vya kutumika kwa kutumia mekanizmo za mshale wa magneeti semi-hard. Inatumika katika mitandao ya umeme AC ya thuluthi na kiwango cha voliti 12KV na taraka 50-60Hz, ikifanya kazi ya kuzuia na kudhibiti. Inafaa sana kwa matumizi mengi na amri ya hivi punde au kuvunja mara nyingi current za short-circuit. Seria hii ya circuit breakers inajumuisha circuit breaker na moduli wa drive.
Mfumo wa circuit breaker
Kila thuluthi ana mekanizmo moja, ambayo inaelekezwa kulingana na mstari na vacuum interrupter. Vitu visisili viwili vya excitation vilivyoelekezwa parallel. Mekanizmo ya thuluthi tatu huweza kufanya kwa kisawa kwa kutumia mstari wa synchronous na kutoa ishara ya chaguo msingi wa auxiliary switch.
Vacuum interrupter unatumia bellows nje, na bellows zinazozalishwa kwa kutumia ujazo wa stainless steel. Umbali wa kufuli contacts ni 8mm na overtravel ni 2mm. Contacts zimeundwa kwa kutumia mfano wa magnetic field longitudinal.
Spring ya contact pressure inayoko insulating rod ili kuhakikisha ushirikiano muhimu kati ya moving na static contacts ya VI na kwamba actions zinazohusiana zinafuata maagizo ya operational characteristic.
Insulating frame imeundwa kwa kutumia SMC, inayofungua na kudumisha upper na lower terminals, operating insulating rods, flexible connections, vacuum interrupters na components mengine, inafanya kazi ya insulation na support.
Tumaini
Inapatikana kwa air insulated switchgear.
Mipangilio ya teknolojia
Namba |
Jina |
Namba |
MS5-25 |
MS4-06 |
1 |
Voliti iliyotathmini |
kV |
12 |
12 |
2 |
Current iliyotathmini |
A |
2000 |
2000 |
3 |
Power frequency withstand voltage iliyotathmini |
kV |
42 |
42 |
4 |
Impulse withstand voltage iliyotathmini |
kV |
85 |
85 |
5 |
Rated short circuit breaking current |
kA |
25 |
31.5 |
6 |
Peak withstand current iliyotathmini |
kA |
63 |
80 |
7 |
Short-circuit withstand current iliyotathmini |
kA |
25 |
31.5 |
8 |
Muda wa short circuit |
s |
4 |
4 |
9 |
Taraka iliyotathmini |
Hz |
50 |
50 |
10 |
Umbali wa center wa thuluthi |
mm |
-- |
-- |
11 |
Contact distance |
mm |
8±0.5 |
8±0.5 |
12 |
Over travel |
mm |
2±0.5 |
2±0.5 |
13 |
Cycle iliyotathmini |
- |
O-0.3s-CO-15s-CO |
|
14 |
Inherent closing time (don’t include DM time) |
ms |
< 25 |
< 25 |
15 |
Different time of closing operation |
ms |
-- |
-- |
16 |
Bouncing time |
ms |
≤2 |
≤2 |
17 |
Inherent opening time (don’t include DM time) |
ms |
5±0.5 |
5±0.5 |
18 |
Different time of opening operation |
ms |
-- |
-- |
19 |
Mechanical operations (CO-cycles) |
Times |
50000 |
50000 |
20 |
Rated short-circuit-breaking current time |
Times |
50 |
50 |
21 |
Number of auxiliary switches |
pcs |
3NO+2NC |
|
22 |
Weight |
kg |
17 |
17 |
Ukubwa
