Instrumentation Cables—Mica Tapped, XLPE Insulated, Individual &Overall Screened, Wire Armoured LSZH Sheathed Cables(CU/GMT/XLPE/IOSCR/SWA/LSZH)
CU/GMT/XLPE/IOSCR/SWA/LSZH instrumentation cables are engineered for precise signal and control transmission in environments with high electrical noise and strict safety requirements. The mica tape layer protects the copper conductor during fire exposure, while XLPE insulation ensures stable electrical characteristics and heat resistance.
Individual screening of each circuit, combined with an overall screen, provides superior protection against electromagnetic interference, enabling accurate and stable signal performance. Steel wire armour enhances mechanical durability and protects the cable from external damage. The LSZH sheath limits smoke emission and corrosive gases, making the cable suitable for enclosed and public installations. This robust design makes the cable ideal for complex industrial applications requiring both signal integrity and safety compliance.
- Standard BS EN 50288-7, IEC 60502-1 (General)
Construction
Technical Specifications
Quality Control
Application
Construction
Mica Tapped, XLPE Insulated, Individual &Overall Screened, Wire Armoured LSZH Sheathed Cables
Conductor
Instrumentation cable shall have an annealed plain copper conductor or a tinned copper conductor. Depending upon cable application, conductor can be solid (Class-1), Stranded (Class-2), or flexible (Class-5) type as defined in BS EN / IEC 60228
Insulation
Instrumentation cable shall have PVC, XLPE, or HR-PVC insulation. Insulation material shall be selected based on the maximum operating temperature. PVC insulation is suitable for a continuous operating temperature of 70°C, whereas XLPE or HR-PVC is suitable for a continuous operating temperature of 90°C. Fire-rated / fire resistance instrumentation cables shall have Glass Mica Tape layer below insulation & shall have XLPE insulation.
Individual and Overall Screen
The screen is made of aluminum, mylar tape, + ATC drain wire. Aluminum mylar tape is made of aluminum with a thin layer of polyester. It helps in minimizing the crosstalk and prevents shorting.
Armour
Steel wire armour is applied to cables to shield against mechanical stresses and ensure that the core of the cable remains protected.
Inner and Outer Sheath
The sheath can be made of PVC, Polyethylene, or LSZH
Technical Specifications
Instrumentation Cables—Mica Tapped, XLPE Insulated, Individual &Overall Screened, Wire Armoured LSZH Sheathed Cables(CU/GMT/XLPE/IOSCR/SWA/LSZH)
Instrumentation Cables Main Specifications
Instrumentation Cables—Mica Tapped, XLPE Insulated, Individual &Overall Screened, Wire Armoured LSZH Sheathed Cables(CU/GMT/XLPE/IOSCR/SWA/LSZH)
| Conductor Size | Max. Conductor DC Resistance at 20°C for Plain Copper |
Max. Conductor DC Resistance at 20°C for Tinned Copper |
||
| Solid, Class - 1 & Stranded, Class - 2 |
Flexible, Class-5 | Solid, Class - 1 & Stranded, Class - 2 |
Flexible, Class-5 | |
| [mm2] | [Ω/km] | [Ω/km] | [Ω/km] | [Ω/km] |
| 0.50 | 36.72 | 39.78 | 37.434 | 40.902 |
| 0.75 | 24.99 | 26.52 | 25.296 | 27.234 |
| 1.00 | 18.462 | 19.89 | 18.564 | 20.4 |
| 1.50 | 12.342 | 13.566 | 12.444 | 13.974 |
| 2.50 | 7.5582 | 8.1396 | 7.7112 | 8.3742 |
| Conductor Size | Insulation Thickness | |||
| 90V | 300V | 500V | 1000V | |
| [mm2] | [mm] | [mm] | [mm] | [mm] |
| 0.50 | 0.20 | 0.26 | 0.44 | 0.70 |
| 0.75 | 0.20 | 0.26 | 0.44 | 0.70 |
| 1.00 | 0.26 | 0.26 | 0.44 | 0.70 |
| 1.50 | 0.30 | 0.35 | 0.44 | 0.70 |
| 2.50 | - | - | 0.53 | 0.70 |
| Conductor Size | Mutual Capacitance | Max. Continuous Operating Temperature | Inductance to Resistance Ratio (L/R) |
||
| XLPE | PVC | XLPE or HR - PVC | PVC | ||
| [mm2] | [nF/km] | [nF/km] | [°C] | [°C] | [μH/Ω] |
| 0.50 | 150 | 250 | 90 | 70 | < 25 |
| 0.75 | 150 | 250 | 90 | 70 | < 25 |
| 1.00 | 150 | 250 | 90 | 70 | < 25 |
| 1.50 | 150 | 250 | 90 | 70 | < 40 |
| 2.50 | 150 | 250 | 90 | 70 | < 60 |
| Number of Pair | Cable OD | Cable Weight | Drum Length | ||||||||
| 0.5mm² | 0.75mm² | 1.0mm² | 1.5mm² | 2.5mm² | 0.5mm² | 0.75mm² | 1.0mm² | 1.5mm² | 2.5mm² | ||
| [Nos] | [mm] | [mm] | [mm] | [mm] | [mm] | [kg/km] | [kg/km] | [kg/km] | [kg/km] | [kg/km] | [m] |
| 2 | 18.0 | 18.5 | 19.5 | 20.5 | 23.0 | 440 | 475 | 505 | 570 | 690 | 1000 |
| 5 | 22.0 | 23.0 | 24.0 | 26.0 | 30.0 | 665 | 730 | 780 | 895 | 1255 | 1000 |
| 10 | 31.0 | 32.5 | 33.5 | 36.0 | 41.5 | 1205 | 1340 | 1450 | 1670 | 2300 | 1000 |
| 20 | 39.0 | 41.0 | 1840 | 2065 | 500 | ||||||
| Number of Triad | Cable OD | Cable Weight | Drum Length | ||||||||
| 0.5mm² | 0.75mm² | 1.0mm² | 1.5mm² | 2.5mm² | 0.5mm² | 0.75mm² | 1.0mm² | 1.5mm² | 2.5mm² | ||
| [Nos] | [mm] | [mm] | [mm] | [mm] | [mm] | [kg/km] | [kg/km] | [kg/km] | [kg/km] | [kg/km] | [m] |
| 2 | 19.5 | 20.5 | 21.5 | 22.5 | 26.0 | 505 | 570 | 610 | 675 | 950 | 1000 |
| 5 | 24.5 | 25.5 | 27.0 | 29.5 | 33.0 | 785 | 875 | 965 | 1240 | 1550 | 1000 |
| 10 | 34.0 | 36.0 | 37.5 | 1465 | 1630 | 1795 | 2070 | 500 | |||
| Number of Quad | Cable OD | Cable Weight | Drum Length | ||||||||
| 0.5mm² | 0.75mm² | 1.0mm² | 1.5mm² | 2.5mm² | 0.5mm² | 0.75mm² | 1.0mm² | 1.5mm² | 2.5mm² | ||
| [Nos] | [mm] | [mm] | [mm] | [mm] | [mm] | [kg/km] | [kg/km] | [kg/km] | [kg/km] | [kg/km] | [m] |
| 2 | 22.0 | 23.5 | 24.0 | 26.0 | 30.0 | 620 | 675 | 720 | 830 | 1160 | 1000 |
| 5 | 28.0 | 30.0 | 31.5 | 33.5 | 38.0 | 960 | 1225 | 1335 | 1535 | 1925 | 1000 |
| 10 | 39.5 | 41.5 | 1790 | 2015 | 500 | ||||||
Note: Cable OD and Cable weight are subject to change based on the latest manufacturing practice.
Quality Control
Instrumentation Cables—Mica Tapped, XLPE Insulated, Individual &Overall Screened, Wire Armoured LSZH Sheathed Cables(CU/GMT/XLPE/IOSCR/SWA/LSZH)
Raw Material Test
Raw Material Test ensures consistent quality of CU/GMT/XLPE/IOSCR/SWA/LSZH instrumentation cables from the source. Copper conductors are evaluated for electrical conductivity, mechanical strength, and surface quality. Mica tape is tested for fire resistance performance. XLPE insulation materials undergo thermal aging and mechanical testing. Screening components are inspected for conductivity and coverage uniformity. Steel wire armour is checked for tensile strength, and LSZH sheath materials are tested for flame retardancy, smoke emission, and halogen-free characteristics. Only materials meeting all specifications proceed to manufacturing.
Process inspection
Process Inspection controls quality throughout the production of CU/GMT/XLPE/IOSCR/SWA/LSZH instrumentation cables. Conductor preparation, mica taping, and insulation extrusion are carefully monitored. Individual and overall screening processes are inspected to ensure proper coverage and electrical continuity. Armouring and LSZH sheathing are checked for structural integrity and dimensional accuracy. Continuous inspections and in-process testing maintain consistent quality across all production stages.
Finished Product
Finished Product Testing confirms the safety and reliability of CU/GMT/XLPE/IOSCR/SWA/LSZH instrumentation cables. Electrical tests verify resistance and insulation performance. Fire resistance tests validate circuit integrity under flame conditions. Mechanical tests assess flexibility, armour durability, and impact resistance. LSZH smoke and toxicity tests ensure safety compliance. Visual inspection confirms workmanship and marking accuracy before shipment.
Application
These instrumentation cables are suitable for refineries, offshore platforms, power generation facilities, metro systems, tunnels, and industrial automation systems requiring high signal integrity and fire safety.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
Product Packaging
Wires and Cables packaging (1)
Wires and Cables packaging (2)
Wires and Cables packaging (3)
Wires and Cables packaging (4)
Wires and Cables packaging (5)
Wires and Cables packaging (6)
Wires and Cables packaging (7)
Wires and Cables packaging (8)
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What are the advantages of power cables and overhead lines?(1) Reliable operation, because it is installed in a hidden place such as underground, it is less damaged by external forces, has less chance of failure, and the power supply is safe, and it will not cause harm to people; (2) The maintenance workload is small and frequent inspections are not required; (3) No need to erect towers; (4) Help improve power factor.
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Which aspects should be considered when choosing the cross section of a power cable?(1) The long-term allowable working current of the cable; (2) Thermal stability once short circuited; (3) The voltage drop on the line cannot exceed the allowable working range.
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What are the measures for cable fire prevention?(1) Use flame-retardant cables; (2) Use fireproof cable tray; (3) Use fireproof paint; (4) Fire partition walls and fire baffles are installed at cable tunnels, mezzanine exits, etc.; (5) Overhead cables should avoid oil pipelines and explosion-proof doors, otherwise local pipes or heat insulation and fire prevention measures should be taken.
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What should be paid attention to during the transportation and handling of cables?(1) During transportation, loading and unloading, cables and cable reels should not be damaged. It is strictly forbidden to push the cable reels directly from the vehicle. Generally, cables should not be transported and stored flat. (2) Before transporting or rolling the cable reel, ensure that the cable reel is firm, the cable is wound tightly, the oil pipe between the oil-filled cable and the pressure oil tank should be fixed without damage, the pressure oil tank should be firm, and the pressure indication should meet the requirements.
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What inspections should be carried out for the acceptance of cable lines?(1) The cable specifications should meet the regulations, the arrangement should be neat, no damage, and the signs should be complete, correct and clear; (2) The fixed bending radius of the cable, the related distance and the wiring of the metal sheath of the single-core power cable should meet the requirements; (3) The cable terminal and the middle head should not leak oil, and the installation should be firm. The oil pressure of the oil-filled cable and the meter setting should meet the requirements; (4) Good grounding; (5) The color of the cable terminal is correct, and the metal parts such as the bracket are completely painted; (6) There should be no debris in the cable trench, tunnel, and bridge, and the cover should be complete.
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