Loading Port:Tianjin
Payment Terms:TT OR LC
Min Order Qty:100 m
Supply Capability:100000 m/month
The PVC insulated power cable and fire resistant cable are suitable for fixed laying in power transmission and distribution lines with A.C.50HZ and voltage of up to and including 6KV.
1.Performance Characteristics：
the long-period allowable operation temperature of conductor shall not be higher than 70℃.
Conductor maximun short circuit(not more than 5 seconds)temperature shall not be higher than 160℃.
The cable is not limited by drop in level when being laid, and the environment temperature shall not be more than 0℃.
Perfect cheminal stability, resistant against acids, alkalis, grease and organic solvents, and falme retardance.
Light weight, perfect bending properties, installed and maintained easily and conveniently.
Voltage rating: 0.6/KV、3.6/6KV.
Conductors: copper or aluminum.
Number of cable cores: one core (single core), two cores (double cores), three cores, four cores (Fore Equal-section-area cores or three equal-section-area cores and one smaller section area neutral core), five cores (Five equal- section-area cores or three equal-section-area cores and two smaller section area neutral core), we provide armoured type for the cables stated above.
Outer sheath: PVC or PE
Our company has been carrying out chinese national standard GB12706 and GB12666.6 (equivalent to IEC60502 and IEC60331) for PVC insulated power cable and fire resistant cable needed by domestic customer, and for foreigner customers we can manufacture in accordance with BS, DIN and other countries” standard. In addition, we can design and manufature PVC insulated power cable with special characterics according to needs of customers.
2. Technical Requirements
1. Description
| Cu core | Al core | Description of cable |
| VV NH–VV | VLV HN–VLV | Cu（Al）core PVC-insulated PVC-sheathed power cable Cu（Al）core PVC-insulated PVC-sheathed fire resistant cable |
| VY NH–VY | VLY NH–VLY | Cu（Al）core PVC-insulated PE-sheathed power cable Cu（Al）core PVC-insulated PE-sheathed fire resistant cable |
| VV22 NH–VV22 | VLV22 NH–VLV22 | Cu（Al）core PVC-insulated steel-tape-armoured PVC-sheathed power cable Cu（Al）core PVC-insulated steel-tape-armoured PVC-sheathed fire resistant cable |
| VV23 NH–VV23 | VLV23 NH–VLV23 | Cu（Al）core PVC-insulated steel-tape-armoured PE-sheathed power cable Cu（Al）core PVC-insulated steel-tape-armoured PE-sheathed fire resistant cable |
| VV32 NH–VV32 | VLV32 NH–VLV32 | Cu（Al）core PVC-insulated steel-tape-armoured PE-sheathed power cable Cu（Al）core PVC-insulated steel-tape-armoured PE-sheathed fire resistant cable |
| VV33 NH–VV32 | VLV33 NH–VLV33 | Cu（Al）core PVC-insulated fine steel-wire-armoured PE-sheathed power cable Cu（Al）core PVC-insulated fine steel-wire-armoured PE-sheathed fire resistant cable |
| VV42 NH–VV42 | VLV42 NH–VLV42 | Cu（Al）core PVC-insulated thick steel-wire-armoured PVC-sheathed power cable Cu（Al）core PVC-insulated thick steel-twire-armoured PVC-sheathed fire resistant cable |
| VV43 NH–VV43 | VLV43 NH–VLV43 | Cu（Al）core PVC-insulated thick steel-wire-armoured PE-sheathed power cable Cu（Al）core PVC-insulated thick steel-twire-armoured PE-sheathed fire resistant cable |
2. Nominal Cross-Section Area of Conductor Core
| Main core | 1 | 1.5 | 2.5 | 4 | 6 | 10 | 16 | 25 | 35 | 50 | 70 | 95 | 120 | 150 | 185 | 240 | 300 |
| 3+1 Neutral core | - | - | 1.5 | 2.5 | 4 | 6 | 10 | 16 | 16 | 25 | 35 | 50 | 70 | 70 | 95 | 120 | 150 |
| 3+2 Neutral core | - | - | 1.5 | 2.5 | 4 | 6 | 10 | 16 | 16 | 25 | 35 | 50 | 70 | 70 | 95 | 120 | 150 |
| 4+1 Neutral core | - | - | 1.5 | 2.5 | 4 | 6 | 10 | 16 | 16 | 25 | 35 | 50 | 70 | 70 | 95 | 120 | 150 |
3. Nominal thickness of insulation
Nominal Section Area KV Voltage | 1 | 1.5 | 2.5 | 4 | 6 | 10 | 16 | 25 | 35 | 50 | 70 | 95 | 120 | 150 | 185 | 240 | 300 | 400 | 500 | 630 | 800 | 1000 |
| 0.6/1 | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | 1 | 1.2 | 1.2 | 1.4 | 1.4 | 1.6 | 1.6 | 1.8 | 2.0 | 2.2 | 2.4 | 2.6 | 2.8 | 2.8 | 2.8 | 3.0 |
| 3.6/6 | - | - | - | - | - | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 |
4. DC Resistance of Conductor
| Nominal Section Area (mm2) | D.C Resistace not More than (Ω/km) | Nominal Section Area (mm2) | D.C Resistace not More than (Ω/km) | Nominal Section Area (mm2) | D.C Resistace not More than (Ω/km) | Nominal Section Area (mm2) | D.C Resistace not More than (Ω/km) | ||||
| CU | AL | CU | AL | CU | AL | CU | AL | ||||
| 1.5 2.5 4 6 10 16 | 12.1 7.41 4.61 3.08 1.83 1.15 | 18.1 12.1 7.41 4.61 3.08 1.91 | 25 35 50 70 90 120 | 0.727 0.524 0.387 0.268 0.193 0.153 | 1.20 0.868 0.641 0.443 0.320 0.253 | 150 185 240 300 400 500 | 0.124 0.0991 0.0754 0.0601 0.0407 0.0366 | 0.206 0.163 0.125 0.100 0.0778 0.0605 | 630 800 1000 | 0.0283 0.0221 0.0176 | 0.0469 0.0369 0.0291 |
5.Insulation Resistance
Ω•cm 0.6/1KV 3.6/6KV
Volume Resistivity
20℃ Min. 1013 1014
70℃ Min. 1013 1011
B、MΩ•km
Insulation Resistance Constant
3、the cable 's capacity
Recommened Continuous Current Capacity(A) of Two-Core PVC Insulated Cable&Fire Resistant Cable.
| Type | VV VLV VY VLY VV22(23) VLV22(23) VV32(33) VLV32(33) VV42(43) VLV4243)NH-VV NH-VLV NH-VY NH-VLY NH- VV22(23)NH- VLV22(23)NH- VLV32(33)NH- VLV32(33) | ||||||||||
| Laying | In Air | In Soil(k•m/w) | |||||||||
| Pw | PD Water Move | ||||||||||
| 1.0 | 2.5 | 3.0 | 3.5 | ||||||||
| (KV) Valtage | Section Area(mm2) | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
| 0.6/1 | 1.5 2.5 4 6 10 16 25 35 50 70 95 120 150 185 | 17 23 31 38 53 71 90 110 135 165 210 245 280 320 | 18 24 32 42 55 70 86 105 130 165 190 215 250 | 26 34 44 56 76 100 125 155 185 230 375 310 350 395 | 26 35 45 59 77 100 120 145 175 210 245 275 301 | * 100 120 150 180 215 260 295 330 375 | * 75 95 115 135 165 205 230 255 295 | * 95 120 150 175 215 255 295 330 370 | * 76 95 115 135 165 200 115 250 290 | * 95 120 150 175 210 255 290 325 365 | * 76 95 115 135 165 200 225 250 285 |
| 3.6/6 | 10 16 25 35 50 70 95 120 150 | 53 69 95 115 135 165 205 235 265 | 41 55 73 88 105 130 160 180 210 | 68 89 120 145 170 210 250 290 325 | 52 68 95 115 130 160 195 225 250 | * 250 285 320 | * 195 220 250 | * 250 285 320 | * 195 220 250 | * 250 285 320 | * 195 220 250 |
| Operating Temperature | 70 | ||||||||||
| Envioronment Temperature | 40 | 25 | |||||||||
Note：Pw-Coefficient of thermal resistance of soil when no water move.
The continuous current capacity of(3+1)-cord,(3+2)-core and five-core cables can be selected according to than of three-cores cables.
Pw-Coefficient of thermal resistance of soil when no water move makes soil dry.
*-The surface temperature of cables is not above 50℃，no water move.
