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Multi core shielded cable is a special type of cable with multiple insulated conductors and shielding layers for signal or power transmission. The definition, structural composition, and application of Multi core shielded cables can be explained from the following aspects:
1.Definition of Multi core shielded cable: A Multi core shielded cable is a cable with multiple insulated conductors and a shielding layer for signal or power transmission in different environments. It can be used in various fields such as data transmission, communication, and control systems.
2.Structural composition of Multi core shielded cable: A Multi core shielded cable usually consists of the following parts:
Conductors of Multi core shielded cable: Multi core shielded cables usually have multiple insulated conductors, each insulated with independent insulating material. Different conductors can transmit different signals or power.
Shielding layer of Multi core shielded cable: Each conductor of the Multi core shielded cable has an independent shielding layer to reduce interference and noise. The shielding layer is usually composed of aluminum foil, copper foil, or braided shielding material.
Outer sheath of Multi core shielded cable: The outer layer of the Multi core shielded cable is the outer sheath, which protects the conductors and shielding layer from damage caused by the external environment. The outer sheath is usually made of materials such as electron beam cross-linked polyolefin, polyvinyl chloride (PVC), or polyethylene (PE).
Conductor: Class 5 multi-strand tinned copper, in accordance with IEC60228/VDE 0295 standard.
Insulation: Electron beam cross-linked polyolefin.
3.Mechanical and thermal performance of Multi core shielded cable:
Minimum bending radius: 4xOD (fixed installation); 6xOD (mobile installation)
Temperature range: -55℃ ~+155℃ (fixed installation); -40℃ ~+120℃ (mobile installation)
Short-circuit temperature: +280℃
4.What is multi-core cable used for?
Applications of Multi core shielded cable: Multi core shielded cables are widely used in various fields, including but not limited to the following:
Data transmission: Multi core shielded cables can be used in network communication systems such as Local Area Networks (LANs) and Wide Area Networks (WANs) to transmit data signals.
Control system: Multi core shielded cables can be used in various control systems, such as robot control, automation equipment, and industrial process control.
Power transmission: Multi core shielded cables can also be used in power transmission systems to transmit AC or DC power signals.
5.Standards and Testing for Multi core Shielded Cables
This Multi core shielded cable complies with IEC 60332-1 and EN 50265-2-1 standards, which involve flame propagation testing for single cables and wires, respectively. Additionally, it meets the EN 50266-2 standard, which pertains to flame propagation testing for bundled cables and wires.
6.What is the difference between single core and multi core cable?
Comparison between EMC Multi core Shielded Cables and Single-core Shielded Cables:
Structural Differences
Multi core Shielded Cable: Consists of multiple insulated conductors and a shielding layer for signal or power transmission in different environments. Its structure is relatively complex but provides better electromagnetic shielding and reduces electromagnetic interference.
Single-core Shielded Cable: Also known as a single-core flame-retardant shielded cable, it mainly consists of a conductor, insulation layer, tinned copper mesh or aluminum foil shielding layer, and outer sheath. Its structure is relatively simple yet provides good electromagnetic shielding performance.
Application Scenarios
Multi core Shielded Cable: Suitable for various fields such as data transmission, communication, and control systems, especially in situations where multiple signals need to be transmitted simultaneously or where high electromagnetic compatibility is required.
Single-core Shielded Cable: Primarily used for transmitting control signals and high-speed data, excelling in scenarios requiring high shielding effectiveness and low transmission impedance.
Shielding Effectiveness
Both cables feature a shielding layer that effectively blocks external electromagnetic interference and electromagnetic wave interference. However, due to its more complex structure, the Multi core shielded cable may provide stronger shielding effectiveness in certain situations.
Ease of Use
Multi core Shielded Cable: Contains multiple conductors, allowing for the simultaneous transmission of multiple signals and reducing wiring complexity. However, its connection and installation may be relatively complex.
Single-core Shielded Cable: Relatively simple to connect and install, suitable for transmitting single signals. It has an advantage in situations where simplified wiring and installation are needed.
Cost Considerations
Typically, Multi core shielded cables may have a higher cost due to their complex structure and increased material usage compared to single-core shielded cables. However, the specific cost also depends on factors such as cable specifications, branding, and market supply and demand.
TST CABLES‘ single-core shielded cables and Multi core shielded cables are high-performance, widely used cable products in various industries like rail transit, shipping, wind power, nuclear power, aviation, military, healthcare, and oil and gas. In practical applications, it’s essential to select appropriate specifications, brands, and models based on the specific needs of the scenario. At the same time, while ensuring transmission quality and anti-interference ability, emphasis should also be placed on product quality and reliability to guarantee application effectiveness and stability. If you have any questions or requirements regarding single-core shielded cables, Multi core shielded cables, or cables resistant to radiation and electromagnetic interference, please feel free to email TST CABLES.
