Siv tau rau txhua hom kev teeb tsa ruaj khov. Haum rau kev siv rau hauv cov kav dej, cov khib thiab cov ntaiv nrog rau kev faus hauv av yam tsis muaj kev tiv thaiv ntxiv. Nws kuj tseem siv rau hauv kev lag luam, kev nyob thiab kev lag luam.
Siv tau rau txhua hom kev teeb tsa ruaj khov. Haum rau kev siv rau hauv cov kav dej, cov khib thiab cov ntaiv nrog rau kev faus hauv av yam tsis muaj kev tiv thaiv ntxiv. Nws kuj tseem siv rau hauv kev lag luam, kev nyob thiab kev lag luam.
Cov xov hlau uas muaj conductivity siab, Chav Kawm 1 Solid conductor, Chav Kawm 2 stranded tooj liab lossis txhuas conductors, insulated thiab xim coded nrog XLPE. Cov tub ntxhais insulated yog twisted thiab puv nrog PVC bedding kom muab lub cable ib puag ncig tiav. Nws yog armored nrog galvanized steel wires. Daim ntawv thov xav tau kev tiv thaiv mechanical robust tiv thaiv kev puas tsuaj lub cev thiab cov xwm txheej ib puag ncig hnyav. Kev tiv thaiv kawg yog nruj nreem bonded, nrog Flame Retardant PVC.
SANS1507-4
Qhov kub siab tshaj plaws ntawm tus neeg xyuas pib:Nominal Ua Haujlwm 90 ℃.
luv luv Circuit Court:(Tshaj plaws rau 5 vib nas this) 250 ℃.
Qhov ntsuas hluav taws xob:0.6/1kV.
Kub ntawm kev tso:Hauv huab cua 25 ℃, Hauv av 15 ℃
Rau kev tso:ib lub tub ntxhais, daim duab peb sab tso rau peb lub cables.
Qhov tob ntawm kev tso rau hauv kev ncaj qha:100cm.
Coefficient ntawm thermal resistivity ntawm av:100 ℃ .cm/w.
Xim ntawm lub sheath:dub nrog kab liab.
Ntim:500m txhua lub nruas lossis lwm qhov ntev kuj muaj nyob rau ntawm qhov kev thov.
Cov xov hlau no tuaj yeem tso tau yam tsis muaj kev txwv kev poob, thiab qhov kub ib puag ncig yuav tsum tsis pub qis dua 0 ℃. cov xov hlau ib lub tub ntxhais, cov hlau nplaum armored yuav tsum tsuas yog siv rau cov kab ncaj qha.
| Loj | Tus Neeg Coj | Kev rwb thaiv tsev | Daim kab xev qhwv | Cov ntaub pua chaw pw sab hauv | Cov cuab yeej ua rog | Lub hnab tshos | ||||||||||||
| XLPE | Tsis-Woven | PVC | Cov xov hlau galvanized | PVC | ||||||||||||||
| No | Qhov Siab ntawm Cov Duab | Qhov Dav ntawm Cov Duab | Tsawg kawg | Qhov Siab ntawm Cov Duab | Qhov Dav ntawm Cov Duab | Txheej | Qhov tuab | Dia | Qhov tuab | Min. | Dia | No | Dia | Dia | Qhov tuab | Min. | Dia | |
| 4 × 25 | 1 | 5.24 | 7.4 | 0.71 | 7.04 | 9.2 | 2 | 0.2 | 15.89 | 1.2 | 0.92 | 18.29 | 35 ± 2 | 1.6 | 21.49 | 1.7 | 1.16 | 24.89 |
| 4 × 35 | 1 | 6.2 | 8.7 | 0.71 | 8.0 | 10.5 | 2 | 0.2 | 17.84 | 1.2 | 0.92 | 20.24 | 39±2 | 1.6 | 23.44 | 1.8 | 1.24 | 27.04 |
| 4 × 50 | 1 | 7.2 | 10.12 | 0.80 | 9.2 | 12.12 | 2 | 0.2 | 20.4 | 1.2 | 0.92 | 22.8 | 35 ± 2 | 2.0 | 26.8 | 2.0 | 1.40 | 30.8 |
| 4 × 70 | 1 | 8.7 | 12.12 | 0.89 | 10.9 | 14.32 | 2 | 0.2 | 23.84 | 1.4 | 1.09 | 26.64 | 41 ± 2 | 2.0 | 30.64 | 2.0 | 1.40 | 34.64 |
| 4 × 95 | 1 | 10.26 | 14.33 | 0.89 | 12.46 | 16.53 | 2 | 0.2 | 27.12 | 1.4 | 1.09 | 29.92 | 46 ± 2 | 2.0 | 33.92 | 2.2 | 1.56 | 38.32 |
| 4 × 120 | 1 | 11.55 | 16.12 | 0.98 | 13.95 | 18.52 | 2 | 0.2 | 30.15 | 1.6 | 1.26 | 33.35 | 41 ± 2 | 2.5 | 38.35 | 2.4 | 1.72 | 43.15 |
| 4 × 150 | 1 | 12.81 | 17.88 | 1.16 | 15.61 | 20.68 | 2 | 0.2 | 33.64 | 1.6 | 1.26 | 36.84 | 46 ± 2 | 2.5 | 41.84 | 2.4 | 1.72 | 46.64 |
| 4 × 185 | 1 | 14.36 | 20.03 | 1.34 | 17.56 | 23.23 | 2 | 0.2 | 37.75 | 1.6 | 1.26 | 40.95 | 51 ± 2 | 2.5 | 45.95 | 2.6 | 1.88 | 51.15 |
| 4 × 240 | 1 | 16.49 | 22.96 | 1.43 | 19.89 | 26.36 | 2 | 0.2 | 42.59 | 1.6 | 1.26 | 45.79 | 56±2 | 2.5 | 50.79 | 2.8 | 2.04 | 56.39 |
| 4 × 300 | 1 | 18.48 | 25.7 | 1.52 | 22.08 | 29.3 | 2 | 0.2 | 47.17 | 1.6 | 1.26 | 50.37 | 62 ± 2 | 2.5 | 55.37 | 3.0 | 2.20 | 61.37 |
| Loj | Tus Neeg Coj | Kev rwb thaiv tsev | Daim kab xev qhwv | Cov ntaub pua chaw pw sab hauv | Cov cuab yeej ua rog | Lub hnab tshos | ||||||||||||
| Ib txoj hlua xwb | Qhov Siab ntawm Cov Duab | XLPE | Tsis-Woven | PVC | Cov xov hlau galvanized | PVC | ||||||||||||
| Tsis yog. | Dia | Qhov tuab | feeb. | Qhov Siab ntawm Cov Duab | Txheej | Qhov tuab | Dia | Qhov tuab | Min. | Dia | No | Dia | Dia | Qhov tuab | Min. | Dia | ||
| 4 × 25 | 7 | 2.14 | 5.99 | 0.9 | 0.71 | 7.79 | 2 | 0.2 | 17.49 | 1.2 | 0.92 | 19.89 | 1.6 | 38 ± 2 | 23.09 | 1.7 | 1.16 | 26.49 |
| 4 × 35 | 7 | 2.52 | 7.06 | 0.9 | 0.71 | 8.86 | 2 | 0.2 | 19.67 | 1.2 | 0.92 | 22.07 | 1.6 | 42 ± 2 | 25.27 | 1.8 | 1.24 | 28.87 |
| 4 × 50 | 10 | 2.52 | 8.22 | 1.0 | 0.80 | 10.22 | 2 | 0.2 | 22.57 | 1.2 | 0.92 | 24.97 | 2.0 | 39±2 | 28.97 | 2.0 | 1.40 | 32.97 |
| 4 × 70 | 14 | 2.52 | 9.9 | 1.1 | 0.89 | 12.1 | 2 | 0.2 | 26.38 | 1.4 | 1.09 | 29.18 | 2.0 | 45 ± 2 | 33.18 | 2.0 | 1.40 | 37.18 |
| 4 × 95 | 19 | 2.52 | 11.65 | 1.1 | 0.89 | 13.85 | 2 | 0.2 | 30.05 | 1.4 | 1.09 | 32.85 | 2.0 | 50 ± 2 | 36.85 | 2.2 | 1.56 | 41.25 |
| 4 × 120 | 24 | 2.52 | 13.12 | 1.2 | 0.98 | 15.52 | 2 | 0.2 | 33.45 | 1.6 | 1.26 | 36.65 | 2.5 | 45 ± 2 | 41.65 | 2.4 | 1.72 | 46.45 |
| 4 × 150 | 30 | 2.52 | 14.54 | 1.4 | 1.16 | 17.34 | 2 | 0.2 | 37.28 | 1.6 | 1.26 | 40.48 | 2.5 | 51 ± 2 | 45.48 | 2.4 | 1.72 | 50.28 |
| 4 × 185 | 37 | 2.52 | 16.3 | 1.6 | 1.34 | 19.5 | 2 | 0.2 | 41.83 | 1.6 | 1.26 | 45.03 | 2.5 | 55 ± 2 | 50.03 | 2.6 | 1.88 | 55.23 |
| 4 × 240 | 37 | 2.88 | 18.67 | 1.7 | 1.43 | 22.07 | 2 | 0.2 | 47.17 | 1.6 | 1.26 | 50.37 | 2.5 | 62 ± 2 | 55.37 | 2.8 | 2.04 | 60.97 |
| 4 × 300 | 37 | 3.23 | 20.88 | 1.8 | 1.52 | 24.48 | 2 | 0.2 | 52.21 | 1.6 | 1.26 | 55.41 | 2.5 | 69 ± 2 | 60.41 | 3.0 | 2.20 | 66.41 |
| Loj | Chav Kawm | Tus Neeg Coj | Kev rwb thaiv tsev | Daim kab xev qhwv | Cov ntaub pua chaw pw sab hauv | Cov cuab yeej ua rog | Lub hnab tshos | |||||||||||
| Ib txoj hlua xwb | Qhov Siab ntawm Cov Duab | XLPE | Tsis-Woven | PVC | ECC | SWA | Dia | PVC | ||||||||||
| Tsis yog. | Dia | Min. | Qhov Siab ntawm Cov Duab | Txheej | Qhov tuab | Dia | Min. | Dia | Tsis yog. | Dia | Tsis yog. | Dia | feeb. | Dia | ||||
| 4 × 25 | 2 | 7 | 2.14 | 5.99 | 0.71 | 7.79 | 2 | 0.2 | 17.49 | 0.92 | 19.89 | 5 | 1.25 | 43 ± 2 | 1.25 | 22.39 | 1.16 | 25.79 |
| 4 × 35 | 2 | 7 | 2.52 | 7.06 | 0.71 | 8.86 | 2 | 0.2 | 19.67 | 0.92 | 22.07 | 5 | 1.25 | 48 ± 2 | 1.25 | 24.57 | 1.24 | 28.17 |
| 4 × 50 | 2 | 10 | 2.52 | 8.22 | 0.80 | 10.22 | 2 | 0.2 | 22.57 | 0.92 | 24.97 | 9 | 1.6 | 39±2 | 1.6 | 28.17 | 1.40 | 32.17 |
| 4 × 70 | 2 | 14 | 2.52 | 9.9 | 0.89 | 12.1 | 2 | 0.2 | 26.38 | 1.09 | 29.18 | 9 | 2.0 | 36 ± 2 | 2.0 | 33.18 | 1.40 | 37.18 |
| 4 × 95 | 2 | 19 | 2.52 | 11.65 | 0.89 | 13.85 | 2 | 0.2 | 30.05 | 1.09 | 32.85 | 12 | 2.0 | 38 ± 2 | 2.0 | 36.85 | 1.56 | 41.25 |
| 4 × 120 | 2 | 24 | 2.52 | 13.12 | 0.98 | 15.52 | 2 | 0.2 | 33.45 | 1.26 | 36.65 | 8 | 2.5 | 37±2 | 2.5 | 41.65 | 1.72 | 46.45 |
| 4 × 150 | 2 | 30 | 2.52 | 14.54 | 1.16 | 17.34 | 2 | 0.2 | 37.28 | 1.26 | 40.48 | 10 | 2.5 | 40 ± 2 | 2.5 | 45.48 | 1.72 | 50.28 |
| 4 × 185 | 2 | 37 | 2.52 | 16.3 | 1.34 | 19.5 | 2 | 0.2 | 41.83 | 1.26 | 45.03 | 15 | 2.5 | 40 ± 2 | 2.5 | 50.03 | 1.88 | 55.23 |
| 4 × 240 | 2 | 37 | 2.88 | 18.67 | 1.43 | 22.07 | 2 | 0.2 | 47.17 | 1.26 | 50.37 | 15 | 2.5 | 47±2 | 2.5 | 55.37 | 2.04 | 60.97 |
| 4 × 300 | 2 | 37 | 3.23 | 20.88 | 1.52 | 24.48 | 2 | 0.2 | 52.21 | 1.26 | 55.41 | 20 | 2.5 | 48 ± 2 | 2.5 | 60.41 | 2.20 | 66.41 |

