China VD4 series vacuum circuit-breakers ke lisebelisoa tsa ho kenya li-switchgear tse ka hare.Ka kopo ikopanye le ROCKWILL bakeng sa litlhoko tse khethehileng tsa ho kenya.VD4-R letoto la li-voltage medium vacuum circuit breaker tse nang le mochini o sebetsang oa lateral bakeng sa ho kenya ka tlung li na le mokhoa o arohaneng oa kaho ea lipalo.Palo e 'ngoe le e' ngoe e na le sesebelisoa sa vacuum se kenngoeng ka har'a resin ha silinda e bōptjoa ka lebaka la ts'ebetso e khethehileng ea tlhahiso.Mokhoa ona oa ho aha o sireletsa sesireletsi sa vacuum hore se se ke sa tšoha, silafatso le condensation.
VCB VS1 12kV 630A Indoor High-voltage Vacuit Circuit Breaker:
Sebaka sa lipakeng: 210mm
Mofuta oa kariki
Mokhoa oa ho sebetsa habeli oa selemo
Sebaka se sebetsang: (haholo-holo libakeng tse hlokang ho sebetsa khafetsa)
1.taolo le ts'ireletso ea lisebelisoa tsa motlakase indastering.
2.likhoebo tsa merafo.
3.limela tsa motlakase.
4.liteishene tse nyenyane.
E ka ts'oaroa ka har'a khabinete ea switch kapa ea kenngoa kariking ea letsoho.
Ts'ebetso e tsitsitseng le ho kenya habonolo.
Vacuum Circuit Breaker Melemo
1.Mohaho o bonolo.
2. Adapt ultra low resistance type vacuum interrupter.
3.Adapt optimization le mokhoa oa ho sebetsa oa selemo oa modular.
4.E loketse liketsahalo tse nang le ts'ebetso khafetsa.
5.Tlhokomelo ea mahala le bophelo bo bolelele ba tšebeletso.
6.Ts'ebetso e phahameng e ka tšeptjoang.
Maemo a Tikoloho
Mocheso oa tikoloho: -40°C~+40°C (ka tlase ho 35°C nakong ea lihora tse 24)
Mongobo o itseng: ≤95% (karolelano ea letsatsi le letsatsi) kapa ≤90% (karolelano ea khoeli le khoeli)
Boima: ≤ 1000m
Vacuum-circuit-breaker | **4/R 12 | **4/R 17 | **4/R 24 | |||||||
Litekanyetso | * | * | * | |||||||
Matla a lekantsoeng | Ur(kV) | 12 | 17.5 | 24 | ||||||
Tekanyetso ea motlakase oa insulation | Us(kV) | 12 | 17.5 | 24 | ||||||
E mamella voltage ho 50Hz | Ud(kV) | 28 | 38 | 50 | ||||||
Tšusumetso e mamella voltage | Holimo(kV) | 75 | 95 | 125 | ||||||
E lekantsoe khafetsa | fr(Hz) | 50-60 | 50-60 | 50-60 | ||||||
E lekantsoe mocheso oa motlakase | Ir(A) | 630 | 800 | 1250 | 630 | 800 | 1250 | 630 | 800 | 1250 |
Rated duty breaking capacity (symmetrical rated short-circuit current) | Isc(kA) | 12.5 | / | / | 12.5 | / | / | 12.5 | / | / |
16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | ||
20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | ||
25 | 25 | 25 | 25 | 25 | 25 | / | / | / | ||
Nako e khuts'oane ea ho mamella hona joale(3s) | Ik(kA) | 12.5 | / | / | 12.5 | / | / | 12.5 | / | / |
16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | ||
20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | ||
25 | 25 | 25 | 25 | 25 | 25 | / | / | / | ||
Ho etsa bokgoni | Ip(kA) | 31.5 | / | / | 31.5 | / | / | 31.5 | / | / |
40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | ||
50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | ||
63 | 63 | 63 | 63 | 63 | 63 | |||||
Ho etsa bokgoni | * | * | * | |||||||
Nako ea ho bula | ms | 40...60 | 40...60 | 40...60 | ||||||
Arcing nako | ms | 10...15 | 10...15 | 10...15 | ||||||
Kakaretso ea nako ea khefu | ms | 50...75 | 50...75 | 50...75 | ||||||
Nako ea ho koala | ms | 30...60 | 30...60 | 30...60 | ||||||
Khoutu | Liphetolelo tse fumanehang | |||||||||
Konopo ea ho koala | **4 li-circuit-breaker tse nang le mochini o sebetsang oa lateral lia fumaneha liphetolelo tse latelang: | |||||||||
Sesupo se bulehileng/se koetsoeng | ||||||||||
E tlositsoe | Sebaka-bohareng P=()mm | E tsitsitse | E tlosehang | |||||||
Counter ea ts'ebetso | 210 | 210 | ||||||||
Sehele sa ho tjhaja ka bowena | 230 | 230 | ||||||||
Ho bula konopo | 250 | 250 | ||||||||
Relay ea tšireletso | 275 | 275 | ||||||||
Lebokose la ho tsamaisa thepa | 300 | 300 | ||||||||
Transformer ea hona joale | 310 | 310 | ||||||||
Polo |