Highlight:
Bare catenary wire system
, Copper electrical conductivity catenary wire system
, Cu fire rated catenary wire
Cable Manufacturer Bare Copper Catenary Wire Electrical Copper Cable
Cable Manufacturer Bare Copper Catenary Wire Electrical Copper Cable
opper catenary wire, also known as trolley wire or overhead line wire, is a specialized type of electrical conductor used in electric railways and tram systems. It serves as the overhead contact wire that provides power to the vehicles running on the tracks.
Copper catenary wire is typically made of high-purity copper due to its excellent electrical conductivity. The wire is designed to carry high currents while minimizing resistive losses. It is manufactured in a cylindrical shape and is available in various diameters to accommodate the specific requirements of the railway system.
The wire is installed overhead, suspended from support structures such as poles or gantries. It spans the length of the railway tracks, forming a continuous pathway for the transfer of electrical energy to the trains or trams. The wire is held taut and positioned at a specific height to ensure proper contact with the current collectors mounted on the vehicles.
Copper catenary wire is widely used in various other departments because of its ideal performance. Here are some others:
- Electric Railways and Tram Systems: Copper catenary wire is extensively used in electric railways and tram systems to supply power to the trains or trams. The wire is installed overhead, suspended from poles or other support structures. The trains or trams have pantographs or other current collectors that establish contact with the copper wire, allowing the transfer of electrical energy to power the vehicles.
- Power Transmission and Distribution: Copper catenary wire is also used in power transmission and distribution systems. In overhead power lines, the copper wire carries high-voltage electricity over long distances from power plants to substations or directly to consumers. The use of copper ensures low electrical resistance, minimizing power losses during transmission.
- Electrical Equipment and Appliances: Copper contact wire is employed in various electrical equipment and appliances. It is commonly found in transformers, motors, generators, and other devices where a reliable electrical connection is crucial. Copper's high conductivity and resistance to corrosion make it an ideal choice for these applications.
Copper Contact Wire Specification:
| Copper stranded wire E-CU |
Nominal
cross
section |
Calculatedcross section |
Number of
wires |
Diameter |
Wire tensile strength |
Resistivity
(20℃)
Ωmm²/m
|
Electric conductivity
(20℃)%
IACS
|
Weight |
Calculated
breaking load |
| Wire |
Conductor |
Before/MPa |
After/MPa |
| E-CU 10 |
10.02 |
7 |
1.35±0.03 |
4.1 |
≥422 |
≥392 |
≤0.01786 |
≥96 |
90 |
4.02 |
| E-CU 16 |
15.89 |
7 |
1.70±0.03 |
5.1 |
≥422 |
≥392 |
≤0.01786 |
≥96 |
143 |
6.37 |
| E-CU 25 |
24.25 |
7 |
2.10±0.03 |
6.3 |
≥422 |
≥392 |
≤0.01786 |
≥96 |
218 |
9.72 |
| E-CU 35 |
34.36 |
7 |
2.50±0.03 |
7.5 |
≥422 |
≥392 |
≤0.01786 |
≥96 |
310 |
13.77 |
| E-CU 50 |
49.48 |
7 |
3.00±0.03 |
9.0 |
≥422 |
≥392 |
≤0.01786 |
≥96 |
446 |
19.84 |
| E-CU 50 |
48.35 |
19 |
1.80±0.03 |
9.0 |
≥422 |
≥392 |
≤0.01786 |
≥96 |
437 |
19.38 |
| E-CU 70 |
65.81 |
19 |
2.10±0.03 |
10.5 |
≥422 |
≥392 |
≤0.01786 |
≥96 |
596 |
26.38 |
| E-CU 95 |
93.27 |
19 |
2.50±0.03 |
12.5 |
≥422 |
≥392 |
≤0.01786 |
≥96 |
845 |
37.39 |
| E-CU 120 |
116.99 |
19 |
2.80±0.03 |
14.0 |
≥422 |
≥392 |
≤0.01786 |
≥96 |
1060 |
48.9 |
| E-CU 150 |
147.11 |
37 |
2.25±0.03 |
15.8 |
≥422 |
≥392 |
≤0.01786 |
≥96 |
1337 |
58.98 |
| E-CU 185 |
181.62 |
37 |
2.50±0.03 |
17.5 |
≥422 |
≥392 |
≤0.01786 |
≥96 |
1649 |
72.81 |
| |
|
|
|
|
|
|
|
|
|
|
| Copper-magnesium alloy stranded wire BZII |
Nominal
cross
section |
Calculatedcross section |
Number of
wires |
Diameter |
Wire tensile strength |
Resistivity
(20℃)
Ωmm²/m
|
Electric conductivity
(20℃)%
IACS
|
Weight |
Calculated
breaking load |
| Wire |
Conductor |
Before/MPa |
After/MPa |
| BZII 10 |
10.02 |
7 |
1.35±0.03 |
4.1 |
≥618 |
≥589 |
≤0.02778 |
≥62 |
90 |
5.88 |
| BZII 16 |
15.89 |
7 |
1.70±0.03 |
5.1 |
≥618 |
≥589 |
≤0.02778 |
≥62 |
143 |
9.33 |
| BZII 25 |
24.25 |
7 |
2.10±0.03 |
6.3 |
≥618 |
≥589 |
≤0.02778 |
≥62 |
218 |
14.24 |
| BZII 35 |
34.36 |
7 |
2.50±0.03 |
7.5 |
≥618 |
≥589 |
≤0.02778 |
≥62 |
310 |
20.17 |
| BZII 50 |
49.48 |
7 |
3.00±0.03 |
9.0 |
≥608 |
≥589 |
≤0.02778 |
≥62 |
446 |
28.58 |
| BZII 50 |
48.35 |
19 |
1.80±0.03 |
9.0 |
≥618 |
≥589 |
≤0.02778 |
≥62 |
437 |
28.39 |
| BZII 70 |
65.81 |
19 |
2.10±0.03 |
10.5 |
≥618 |
≥589 |
≤0.02778 |
≥62 |
596 |
38.64 |
| BZII 95 |
93.27 |
19 |
2.50±0.03 |
12.5 |
≥618 |
≥589 |
≤0.02778 |
≥62 |
845 |
54.76 |
| BZII 120 |
116.99 |
19 |
2.80±0.03 |
14.0 |
≥618 |
≥589 |
≤0.02778 |
≥62 |
1060 |
67.57 |
| BZII 150 |
147.11 |
37 |
2.25±0.03 |
15.8 |
≥618 |
≥589 |
≤0.02778 |
≥62 |
1337 |
86.37 |
| BZII 185 |
181.62 |
37 |
2.50±0.03 |
17.5 |
≥618 |
≥589 |
≤0.02778 |
≥62 |
1649 |
106.63 |
Remark: the outer layer has to be right handed (Z-rotation
Other designs: for example international standards or customer specifications-on request
About us:
Jiangyin Electric Alloy Co., Ltd., formerly known as Jiangyin Electric Alloy Factory, was established on June 12, 1985. It is mainly engaged in the research and development, production, and sales of high-speed rail supporting products. Its main products are copper alloy deep processing products, including railway contact wires, railway load-bearing cables, copper alloy busbars, and other copper components.
Since its establishment, the company has been committed to providing customers with high-quality copper alloy products and services with advanced management systems, strong research and development capabilities, excellent product quality, and comprehensive services.
It has successively cooperated with railway bureaus under the Ministry of Railways, such as Shanghai, Guangzhou, Beijing, Zhengzhou, Chengdu, and other railway bureaus; Locomotive and motor production enterprises of the Ministry of Railways, such as CRRC and national motor and electrical appliance production enterprises, as well as well-known domestic and international enterprises such as Xiangtan Electric, Dongfang Electric, Schneider Electric, Siemens, ABB, GE, etc., have established strategic cooperative relationships and become a licensed supplier of copper and copper alloy stranded wire and contact wire for the China Railway Group Electric Gasification Bureau.
Up to now, Jiangyin Electric Alloy Co., Ltd. has obtained a series of certifications covering ISO9001/IATF16949 quality management, ISO14001 environmental ,management system certification, ISO45001 occupational health and safety management system, China CCC, PCCC,CRCC, CE etc.
Rich design experience in manufacturing, mature reliable production processes, provide the satisfactory products for our customers, has made our business across both at home and abroad.
In the future, the company will actively further expand its business in the field of copper alloy applications and gradually establish long-term and stable cooperative relationships with well-known international and domestic manufacturers.
Support and Services:
We provide technical support and services for copper contact wire, including:
- Providing technical support for the installation and use of copper contact wire.
- Troubleshooting and resolving any technical issues with copper contact wire.
- Providing technical advice on the maintenance of copper contact wire.
- Providing guidance on the selection of copper contact wire.
Packing and Shipping:
Packaging and Shipping:
- Copper contact wire is packaged in high-quality materials to ensure it is delivered to the customer in good condition.
- The copper contact wire is shipped by air or sea according to customer's requirements.
- We offer tracking number once the copper contact wire is shipped.
Your message must be between 20-3,000 characters!
