| Muhimmiya | Wone Store |
| Model NO. | Gwọ́n-ụ́kwụ́ nke ọ̀sàn nke na-enye ike maka ọ́sàn magneetik weevakọ́ọ́ bụ̀rụ̀kọ́ọ́ |
| Rated Voltage | 12kV |
| Raitidu kọ̀ọ̀kan | 630A |
| Rated short-circuit breaking current | 25kA |
| Siri | MS |
An MS2-12-630/20-XX series circuit breakers ni switchgear na gida da ake amfani da mekanismi mai yin aiki a kan material semi-hard magnetic. Ana amfani da ita a cikin hanyoyin karamin kashi uku na AC da inganci 12KV da maƙaranta 50-60Hz, domin ya zama wurin da take taimaka da aiki da kontrol. Yana da muhimmanci wajen aiki da damar daɗi ko kuma haɗuwar rarrabe masu wahala. Wannan series ta fiye-tsunfe ta shafi wannan fiye-tsunfe da sabbin magana.
Tsarin fiye-tsunfe
Har zuwa babban da ake amfani da mekanismi mai yin aiki, wanda ake saka perpendicularly da axis da vacuum interrupter. Duk suka fadada suka shirya parallel. Mekanisman abubuwan zuwa sun samun aiki daidai a kan shaft daidai da kuma samun alamar yadda ake yi aiki a kan switch na taimakawa.
Vacuum interrupter ya sami bellows na gaba, kuma bellows an yi a kan stainless steel lamination welding process. Distance na biyu masu contact shine 8mm kuma overtravel shine 2mm. Masu contact an yi a kan principles na longitudinal magnetic field arc extinguishing.
Contact pressure spring a kan insulating rod don in taimaka da amincewa da aikin contact daban-daban da static contact na VI da kuma ainihin aiki na tsafta da operational characteristic requirements.
Insulating frame an yi a kan SMC, wanda ke ciwo upper and lower terminals, operating insulating rods, flexible connections, vacuum interrupters da sauransu, domin ya zama insulation da support.
Aikinsu
Yana da muhimmanci wajen air insulated switchgear, wajen zama tsari na selection, phase selection, bypass da sauransu.
Technology parameters
No. |
Item |
Unit |
MS4-21 |
MS4-22 |
1 |
Rated voltage |
kV |
12 |
12 |
2 |
Rated current |
A |
630 |
630 |
3 |
Rated power frequency withstand voltage |
kV |
42 |
42 |
4 |
Rated impulse withstand voltage |
kV |
85 |
85 |
5 |
Rated short circuit breaking current |
kA |
20 |
25 |
6 |
Rated peak withstand current |
kA |
50 |
63 |
7 |
Rated short-circuit withstand current |
kA |
20 |
25 |
8 |
Duration of short circuit |
s |
4 |
4 |
9 |
Rated frequency |
Hz |
50 |
50 |
10 |
Phase center distance |
mm |
200 |
200 |
11 |
Contact distance |
mm |
8±0.5 |
8±0.5 |
12 |
Over travel |
mm |
2±0.5 |
±0.5 |
13 |
Rated operation cycle |
- |
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 |
≤2 |
≤2 |
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 |
≤2 |
≤2 |
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 |
13 |
13 |
Note：Aluminum heat sinks need to be added.
Dimension
