China VD4 jara igbale Circuit-breakers jẹ awọn ẹrọ fun fifi sori ẹrọ switchgear inu ile.Jọwọ kan si ROCKWILL fun awọn ibeere fifi sori ẹrọ pataki.VD4-R jara alabọde foliteji igbale Circuit breakers pẹlu ita ẹrọ siseto fun abe ile fifi sori ẹya awọn lọtọ polu ikole ilana.Ọpá kọọkan ni ile idalọwọduro igbale eyiti o fi sinu resini nigbati o jẹ apẹrẹ silinda ọpẹ si ilana iṣelọpọ pataki kan.Ọna ikole yii ṣe aabo fun oludaduro igbale lati mọnamọna, idoti ati isunmi.
Ẹrọ iṣẹ jẹ iru agbara ti a fipamọ laisi irin-ajo pẹlu ṣiṣi ominira ati pipade laibikita iṣe oniṣẹ.Awọn ọna ẹrọ ti wa ni o gbajumo ni lilo ni gbogbo VD4-R jara Circuit-breakers pẹlu iwaju Iṣakoso.
Alupa-piparọ le jẹ iṣakoso latọna jijin nigbati o ba ni ibamu pẹlu awọn ẹya ẹrọ itanna igbẹhin (gearmotor, ṣiṣi ati itusilẹ pipade).
Awọn ọna ẹrọ, awọn ọpá mẹta ati awọn sensọ lọwọlọwọ (ti o ba pese) ti fi sori ẹrọ lori fireemu irin laisi awọn kẹkẹ.Ikọle naa jẹ iwapọ paapaa, ti o lagbara ati iwuwo to lopin.
VD4-R jara Circuit-breakers pẹlu ita ẹrọ ise sise ni aye-gun edidi awọn ẹrọ titẹ.(Standards IEC 62271-100)
Igbale Circuit-fifọ | ** 4/R 12 | ** 4/R 17 | ** 4/R 24 | |||||||
Awọn ajohunše | * | * | * | |||||||
Foliteji won won | Ur (kV) | 12 | 17.5 | 24 | ||||||
Ti won won idabobo foliteji | Wa(kV) | 12 | 17.5 | 24 | ||||||
Duro foliteji ni 50Hz | Ud(kV) | 28 | 38 | 50 | ||||||
Impulse withstand foliteji | Oke(kV) | 75 | 95 | 125 | ||||||
Iwọn igbohunsafẹfẹ | fr(Hz) | 50-60 | 50-60 | 50-60 | ||||||
Ti won won gbona lọwọlọwọ | Ir(A) | 630 | 800 | 1250 | 630 | 800 | 1250 | 630 | 800 | 1250 |
Ti won won ojuse fifọ agbara (Symmetrical ti won won kukuru-Circuit lọwọlọwọ) | 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 | / | / | / | ||
Iduroṣinṣin akoko kukuru (awọn iṣẹju 3) | 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 | / | / | / | ||
Ṣiṣe agbara | 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 | |||||
Ṣiṣe agbara | * | * | * | |||||||
Nsii akoko | ms | 40...60 | 40...60 | 40...60 | ||||||
Arcing akoko | ms | 10...15 | 10...15 | 10...15 | ||||||
Lapapọ akoko isinmi | ms | 50...75 | 50...75 | 50...75 | ||||||
Akoko ipari | ms | 30...60 | 30...60 | 30...60 | ||||||
Koodu | Awọn ẹya ti o wa | |||||||||
Bọtini titiipa pipade | ** 4circuit-breakers pẹlu ita ẹrọ siseto wa ninu awọn ẹya wọnyi: | |||||||||
Atọka ṣiṣi/pipade | ||||||||||
Ti tu silẹ | Ijinna aarin P=()mm | Ti o wa titi | yiyọ kuro | |||||||
counter isẹ | 210 | 210 | ||||||||
Imudani gbigba agbara pẹlu ọwọ | 230 | 230 | ||||||||
Ṣiṣii bọtini titẹ | 250 | 250 | ||||||||
Idaabobo yii | 275 | 275 | ||||||||
Ifijiṣẹ ebute apoti | 300 | 300 | ||||||||
Amunawa lọwọlọwọ | 310 | 310 | ||||||||
Polo |