Shenzhen Chengtiantai Cable Industry Development Co.,Ltd
Chengtiantai Cable （CTT Cable）Since 1983
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Annealed Stranded Copper Conductor,XLPE Insulation,Copper Tape Screened, Core laid up, PVC Innersheathed, Armoured and PVC outer sheathed power cable.
The 3 cores cables are designed for distribution of electrical power with nominal voltage Uo/ U:8.7/15 KV and frequency 50Hz.
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CONSTRUCTION:1. CONDUCTOR – Bare copper class 2 to IEC 60228, round, multiwire stranded and compact 2. CONDUCTOR SCREEN – Inner semi-conducting coating 3. INSULATION – Core insulation of cross-linked polyethylene (XLPE) 4. INSULATION SCREEN – Outer conductive layer extruded and per-manently welded with the core insulation Semi-conducting type 5. METAL SCREEN – copper tapes helically with a minimum thickness of 0,1 mm. 6. FILLER – PP filler 7. WRAPPING TAPE INNER SHEATH – Polyvinyl Chloride ( PVC ) Compound ARMOR WITH – Galvanized Double Steel Tape minimum thickness of 0,1 mm 8. SHEATH – Outer sheath of PVC compound Core identification: – colored tapes under screen. |
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STANDERInternational:IEC60502-2 National:GB/T 12706.1-2008 |
TECHNICAL DATA |
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Temperature range
Operating temperature
Short circuit temperature
Minimum bending radius |
Nominal voltage Operating voltage, 50 Hz Test voltage(V/5 min) Breaking strength: – min. 200% – min. 12,5 N/mm2 |
| No.cores x cross-sec. |
Insulation thickness |
Inner sheath thickness | Sheath thickness Nominal value |
Outer Ø approx. |
weight approx. |
Current ratings in air 30℃ | Current ratings buried 20℃ |
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| mm² | mm | mm | mm | mm | kg / km | A | A |
| 3 x 35 rm | 4.5 | 1.4 | 2.6 | 53 | 3816 | 151 | 184 |
| 3 x 50 rm | 4.5 | 1.5 | 2.7 | 56.2 | 4494 | 181 | 218 |
| 3 x 70 rm | 4.5 | 1.5 | 2.8 | 60 | 5333 | 225 | 267 |
| 3 x 95 rm | 4.5 | 1.6 | 3.0 | 64.1 | 6359 | 273 | 318 |
| 3 x 120 rm | 4.5 | 1.7 | 3.1 | 67.5 | 7338 | 311 | 360 |
| 3 x 150 rm | 4.5 | 1.7 | 3.2 | 71.1 | 8493 | 353 | 404 |
| 3 x 185 rm | 4.5 | 1.8 | 3.3 | 75 | 9824 | 402 | 456 |
| 3 x 240 rm | 4.5 | 1.9 | 3.5 | 80.3 | 11894 | 473 | 531 |
| 3 x 300 rm | 4.5 | 2.0 | 3.7 | 86.9 | 13932 | 540 | 598 |
| 3 x 400 rm | 4.5 | 2.1 | 3.9 | 97 | 18650 | 640 | 692 |
*Dimensions and specifications may be changed without prior notice.
MEDIUM VOLTAGE CABLE TESTING
| Routine tests: | Sample tests: | Type tests: |
| These non-destructive tests are normally carried out on all lengths manufactured. - Conductor resistivity - Spark test on oversheath - Voltage tests on sheath - D.C. voltage test on oversheath |
These potentially destructive tests are normally carried out on every production run. - Examination of conductor and dimensions - Hot set test for XLPE insulation - Insulation and oversheath thickness - Four hour voltage test |
These destructive tests are normally carried out in addition to the above tests on commencement of a particular cable supply to validate its design. - Electrical type tests including bending and heat cycle - Non-electrical type tests including mechanical properties after ageing and tests under fire conditions. |
PACKING AND SHIPPING
Packing: steel wooden drum, other as required ; standard delivery length is 300 m
| Packaging details : |
Delivery : |
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| Steel Wooden Drums | Cable Drum In container | shipped in 15 days after payment |
| CABLE DRUMS | D1=Flange Diameter(mm) | W=Useful Width (mm) | D2=Barrel Diameter(mm) |
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1000 | 700 | 500 |
| 1100 | 700 | 550 | |
| 1200 | 700 | 600 | |
| 1400 | 750 | 710 | |
| 1600 | 900 | 900 | |
| 1800 | 1120 | 1000 | |
| 2400 | 1150 | 1300 |
Delivery Port:
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| Port of Shenzhen | Port of Hongkong | Port of Guangzhou |
Our production in numbers
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● Cable production started 1983 ● Sales in 2016 about 500 million USD ● 100,000 m2 Production area |
● 200 Sets Of Testing Equipment ● 100 Testing Items |
| Certificat | Information | |
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ISO 9001:2008
Quality management systems
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Certificat ISO 9001:2008 - Shenzhen chengtiantai cable industry development Co.Ltd. ; Certified through Guangdong quality Testing CTC Certification Co.Ltd.; Valid until 13 January 2019 |
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ISO 14001:2004
Environmental management systems
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Certificat ISO 14001:2004 - Shenzhen chengtiantai cable industry development Co.Ltd. ; Certified through Guangdong quality Testing CTC Certification Co.Ltd.; Valid until 13 January 2019 |
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OHSAS 18001:2007
Assessment specification for occupational health & safety management systemsenvironmental management systems
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Certificat OHSAS 18001:2007 - Shenzhen chengtiantai cable industry development Co.Ltd. ; Certified through Guangdong quality Testing CTC Certification Co.Ltd.; Valid until 13 January 2019 |
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| 1. copper rod | 2. wire drawing | 3. wire stranding |
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| 4.Triple Extrusion Insulation | 5.Screening Process | 6. outer covering Process |
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| 7. Sheath Marking | 8. Packing | 9. Partial discharge Inspection |
Bird's eye on our manufacturing plant
Manufacturing plant with Lot area:80,000 sq m production area: 100,000 sq m
Medium Voltage power cable shop
Wire drawing workshop
Wire stranding workshop
wire stranding
Medium voltage power cable CCV production line
SIKORA X-ray measurement for CV lines
Cable reel waiting to be shipped out
For prompt quotation / supplies please make sure your inquiries and your orders are
securing the following data :
1 - International or Special Standard. (Alternatively, the precise usage of the cable.)
2 - Rated voltage.
3 - Copper or Aluminium conductors.
4 - Size of each conductor.
5 - Insulation material : XLPE or others.
6 - Number and identification of conductors.
7 - Other requirements.
8 - Packing.
9 - Required delivery time.
10 - Required validity.
If this all seems a litle too technical for you, then why not get in touch with us.
We look forward to assisting you in identifying the best products for your specific application and to answer any questions you might have.
For a period commencing on the date shipped the Goods to Buyer and continuing for a period of 12 months thereafter.