Operating characteristics
1.Cable laying temperature: ≥0°C
2.Cable conductor long-term allowable working temperature:≤90°C
3.Higest working temperature of cable in case of short circuit (the
longest lasting time is not over 5s): 250°C
4.Minimum allowable bending radius: Single core cable: 20D mm;
multi-core cable: 15D mm Note: D is actual outer diameter of the
cable
Conductors
The conductors shall be either of Class 1 or Class 2 of plain or
metal-coated annealed copper or of plain aluminium or aluminium
alloy, or of Class 5 of plain or metal-coated copper in accordance
with IEC 60228.
Insulation
XLPE material and thickness shall be as per IEC 60502-1, rated for
90℃ continuous operation
Armour
Aluminum/galvanized steel/steel wires applied helically over the
Inner Covering as per IEC 60502-1, or double aluminum/steel tapes
and copper/tinned copper wire can also be manufactured upon
request.
Outer Sheath
Outer sheath shall be of extruded PVC Type ST1/ST2 as per IEC
60502-1, Polyethylene type ST3/ST7, Halogen free compound ST8,
Polychloroprene, chlorosulfonated polyethylene or similar polymers,
type SE1 are also available on request.
Fire Performance of Cable Sheaths
Cables can be supplied with special flame retardant PVC outer
sheath to comply with the flame test requirements of IEC
60332-3-22, IEC 60332-3-23 and IEC 60332-3-24, Halogen Free
material comply to IEC60754-1/2 and IEC 60684-2.
Standard
Basic design to IEC 60502-1, IEC 60228,BS EN 60228
China: GB/T 12706.2-2008
Other standards such as BS7870,DIN and ICEA upon request
Fire Resistant Cable Technical parameter
| Nom. Cross-section of conductor | Insulation Thickness | Sheath | Approx. | Approx | Max. D.C. Resistance of Conductor (20°C) | Test Voltage | Current Rating |
| mm2 | mm | Thickness | O.D. | Weight | Ω/km | A.C |
| | mm | mm | kg/km | | kV/5min | In air(A) | In soil(A) |
| 4×1.5 | 0.7 | 1.8 | 14.4 | 241 | 12.1 | 3.5 | 20 | 27 |
| 4×2.5 | 0.7 | 1.8 | 15.4 | 295 | 7.41 | 3.5 | 26 | 35 |
| 4×4 | 0.7 | 1.8 | 16.5 | 369 | 4.61 | 3.5 | 34 | 45 |
| 4×6 | 0.7 | 1.8 | 17.8 | 463 | 3.08 | 3.5 | 43 | 57 |
| 4×10 | 0.7 | 1.8 | 20.9 | 667 | 1.83 | 3.5 | 60 | 77 |
| 4×16 | 0.7 | 1.8 | 23.4 | 930 | 1.15 | 3.5 | 83 | 105 |
| 4×25 | 0.9 | 1.8 | 27.1 | 1351 | 0.727 | 3.5 | 105 | 125 |
| 4×35 | 0.9 | 1.8 | 29.5 | 1772 | 0.524 | 3.5 | 125 | 155 |
| 4×50 | 1 | 1.9 | 38.4 | 2380 | 0.387 | 3.5 | 160 | 185 |
| 4×70 | 1.1 | 2 | 43.2 | 3302 | 0.268 | 3.5 | 200 | 225 |
| 4×95 | 1.1 | 2.2 | 47.3 | 4330 | 0.193 | 3.5 | 245 | 270 |
| 4×120 | 1.2 | 2.3 | 52.5 | 5374 | 0.153 | 3.5 | 285 | 310 |
| 4×150 | 1.4 | 2.5 | 58.3 | 6655 | 0.124 | 3.5 | 325 | 345 |
| 4×185 | 1.6 | 2.7 | 64.7 | 8246 | 0.0991 | 3.5 | 375 | 390 |
| 4×240 | 1.7 | 2.9 | 73.1 | 10569 | 0.0754 | 3.5 | 440 | 450 |
| 4×2.5+1×1.5 | 0.7 | 1.8 | 16.5 | 313 | 7.41 | 3.5 | 26 | 35 |
| 4×4+1×2.5 | 0.7 | 1.8 | 17.7 | 424 | 4.61 | 3.5 | 34 | 45 |
| 4×6+1×4 | 0.7 | 1.8 | 19.1 | 535 | 3.08 | 3.5 | 43 | 57 |
| 4×10+1×6 | 0.7 | 1.8 | 22.1 | 760 | 1.83 | 3.5 | 60 | 77 |
| 4×16+1×10 | 0.7 | 1.8 | 25.1 | 1071 | 1.15 | 3.5 | 83 | 105 |
| 4×25+1×16 | 0.7 | 1.8 | 29 | 1556 | 0.727 | 3.5 | 105 | 125 |
| 4×35+1×16 | 0.9 | 1.9 | 31.4 | 1976 | 0.524 | 3.5 | 125 | 155 |
| 4×50+1×25 | 1 | 2.1 | 36 | 2689 | 0.387 | 3.5 | 160 | 185 |
| 4×70+1×35 | 1.1 | 2.2 | 41.1 | 3719 | 0.268 | 3.5 | 200 | 225 |
| 4×95+1×50 | 1.1 | 2.4 | 46.3 | 4903 | 0.193 | 3.5 | 245 | 270 |
| 4×120+1×70 | 1.2 | 2.5 | 51 | 6165 | 0.153 | 3.5 | 285 | 310 |
| 4×150+1×70 | 1.4 | 2.7 | 55.8 | 7431 | 0.124 | 3.5 | 325 | 345 |
| 4×185+1×95 | 1.6 | 2.9 | 62.1 | 9192 | 0.0991 | 3.5 | 375 | 390 |
| 4×240+1×120 | 1.7 | 3.1 | 68.8 | 11860 | 0.0754 | 3.5 | 440 | 450 |
Productors show
About us
We, Zhenglan Cable Technology Co., Ltd, are manufacturer of cable
and wire with over 20years' experience.
Our factory workshop taking up about 60000SQM is located in Wuzhi
County, Jiaozuo city, Henan province, in the middle of China.
Our main products are
- overhead transmission line use bare conductor(ACSR, AAC, AAAC etc)
- 1-35kv overhead transmission line use insulated conductor
- power distribution use 0.6/1kv, 1.8/3kv PVC/XLPE/PE insulated
LV(low voltage) power cable armored or unarmored
- power distribution use 3.6/6kv, 6/10kv,8.7/10kv, 8.7/15kv, 12/20kv,
21/35kv, 26/35kv XLPE insulated MV(medium voltage) power cable
armored or unarmored;
- 300/300V, 300/500V, 450/750V cotrol cable, house wire
