Tsoela pele ho ntlafatsa le ho feta, ho netefatsa hore thepa e boleng bo holimo ho latela litlhoko tsa 'maraka le tsa bareki. Mokhatlo oa rona o na le ts'ebetso ea netefatso ea boleng bo holimo e se e thehiloe bakeng sa thekiso e theko e tlaase ea CJW1 Series Intelligent Universal Circuit Breakers Acb, Re amohela metsoalle e tsoang lefats'eng lohle ka tieo ho sebelisana le rona motheong oa melemo ea nako e telele ea kopanelo.
tswela pele ho ntlafatsa le ho feta, ho netefatsa hore thepa e boleng bo hodimo ho ya ka ditlhoko tsa mmaraka le tsa moreki. Mokgatlo wa rona o na le mekgwa ya netefatso ya boleng bo hodimo e seng e thehilwe bakeng saChina MCCB le Seqhomane sa Potoloho, Re lumela hore likamano tse ntle tsa khoebo li tla lebisa melemong le ntlafatsong bakeng sa mahlakore ka bobeli. Hona joale re thehile likamano tsa tšebelisano-'moho tsa nako e telele le tse atlehileng le bareki ba bangata ka kholiseho ea bona lits'ebeletsong tsa rona tse ikhethileng le botšepehing ba rona ho etseng khoebo. Re boetse re thabela botumo bo phahameng ka ts'ebetso ea rona e ntle. Ts'ebetso e betere mohlomong e tla lebelloa e le molao-motheo oa rona oa botšepehi. Boinehelo le ho Tsitsisa li tla lula li le teng joalo ka mehla.
| Tafole ea hajoale e lekantsoe 1 | ||||||||
| E lekantsoe foreimi ea hona joale Inm A | Tekanyo ea hona joale ea ln A | |||||||
| 2000 | (400)630,800,1000,1250,1600,2000 | |||||||
| 3200 | 2000,2500,2900,3200 | |||||||
| 4000 | 3200,3600,4000 | |||||||
| 6300 | 4000,5000,6300 | |||||||
Bokgoni ba ho roba potoloho e kgutshwane bo lekantsweng le ho mamella nako e kgutshwane ha di-breaker, sebaka sa ho roba ke "lefela" (kaha bokantle ba breaker ha bo na arcing.) Tafole ya 2
| E lekantsoe foreimi ea hona joale Inm A | 2000 | 3200 | 4000 | 6300 | ||||
| Bokhoni ba ho roba potoloho e kgutshwane bo lekantsweng lcu(kA)O-CO | 400V | 80 | 80 | 100 | 120 | |||
| 690V | 50 | 50 | 75 | 85 | ||||
| E lekantsoe bokhoni ba ho roba potoloho e khuts'oane nx lcu(KA)/COS∅ | 400V | 176/0.2 | 176/0.2 | 220/0.2 | 264/0.2 | |||
| 690V | 105/0.25 | 105/0.25 | 165/0.2 | 187/0.2 | ||||
| E lekantsoe ka nako e khuts'oane ea ho mamella lcw lcs(kA)O-CO-CO | 400V | 50 | 50 | 80 | 100 | |||
| 690V | 40 | 40 | 65 | 75 | ||||
| E lekantsoe ka nako e khuts'oane ea ho mamella lcw (kA)———”+0.4s,O-CO | 400V | 50 | 50 | 65/80(MCR) | 85/100(MCR) | |||
| 690V | 40 | 40 | 50/65(MCR) | 65/75(MCR) | ||||
| Tlhokomeliso: Terata ea ho kenya le ea ho ntša lia tšoana bakeng sa ho robeha ha bokhoni. | ||||||||
Matla a ho timetsa a phahameng ka ho fetisisa ke 360W bakeng sa li-breaker, 'me mochesong o fapaneng, le hona joale e tšoarellang e lekantsoe e tla fetoha. Tafole ea 3
| Sebaka se potolohileng mocheso℃ | Lekanyeditswe hona jwale | |||||||
| 400A | 630A | 800A | 1000A | 1250A | 1600A | 2000A | ||
| 40 | 400A | 630A | 800A | 1000A | 1250A | 1600A | 2000A | |
| 50 | 400A | 630A | 800A | 1000A | 1250A | 1550A | 1900A | |
| 60 | 400A | 630A | 800A | 1000A | 1250A | 1550A | 1800A | |
Tšireletso ea molaoli ea bohlale holim'a hona joale le mesebetsi. Sebaka le phoso. Tafole ea 4
| Tieho e telele | Tieho e khutšoanyane | Hang-hang | Phoso e senyehileng | |||||
| lr1 | lr2 | Phoso | lr3 | Phoso | lr4 | Phoso | ||
| (0.4-1)Ka hare | (0.4-15)Ka hare | ± 10% | ln-50kA(Inm=2000A) ln-75kA(Inm=3200A) | ± 15% | lnm=2000~3200A (0.2-0.8)Ka hare (1200A,160A) | ± 10% | ||
| Tlhokomeliso: Haeba e na le tšireletso ea mehato e meraro ka nako e le 'ngoe, sebaka se ke ke sa tšela. | ||||||||
Tieho e telele hodima tshebetso ya hajwale ya nako e fapaneng I2TL, =(1.51lr1)2tL, mme nako ya yona ya ketso(1.02-2.0) Ir1, e na le phoso ya nako ke ±15%. Tafole ya 5
| 1.05Ir1 | 1.3Ir1 | 1.5Ir1 Nako ea ho beha S | 15 | 30 | 60 | 120 | 240 | 480 |
| >2hno ketso | Ketso ea lihora tse 1 | Nako ea ho Beha ea 2.0Ir S | 8.4 | 16.9 | 33.7 | 67.5 | 135 | 270 |
Tsoela pele ho ntlafatsa le ho feta, ho netefatsa hore thepa e boleng bo holimo ho latela litlhoko tsa 'maraka le tsa bareki. Mokhatlo oa rona o na le ts'ebetso ea netefatso ea boleng bo holimo e se e thehiloe bakeng sa thekiso e theko e tlaase ea CJW1 Series Intelligent Universal Circuit Breakers Acb, Re amohela metsoalle e tsoang lefats'eng lohle ka tieo ho sebelisana le rona motheong oa melemo ea nako e telele ea kopanelo.
Theko e tlaaseChina MCCB le Seqhomane sa Potoloho, Re lumela hore likamano tse ntle tsa khoebo li tla lebisa melemong le ntlafatsong bakeng sa mahlakore ka bobeli. Hona joale re thehile likamano tsa tšebelisano-'moho tsa nako e telele le tse atlehileng le bareki ba bangata ka kholiseho ea bona lits'ebeletsong tsa rona tse ikhethileng le botšepehing ba rona ho etseng khoebo. Re boetse re thabela botumo bo phahameng ka ts'ebetso ea rona e ntle. Ts'ebetso e betere mohlomong e tla lebelloa e le molao-motheo oa rona oa botšepehi. Boinehelo le ho Tsitsisa li tla lula li le teng joalo ka mehla.