CONTROL / SCREENED CABLES

Flexible control cables for fixed or mobile installations.

TOPFLEX VV-F H05VV-F

Flexible cable for connecting small electrical appliances.

TOPFLEX VV-F H05VV-F cable has been specially designed for connecting small home appliances such as vacuum cleaners, washing machines, refrigerators, etc. It is recommended for household installations and can also be used for light mobile services. These cables are also suitable for fixed applications in furniture, wall partitions, and in hollow spaces of prefabricated building parts.

FLEXTEL 110 ES05VV-F

Flexible multi-conductor control cable for mobile use.

FLEXTEL 110 ES05VV-F is a flexible cable for mobile service. Suitable for the connection of machinery parts used in manufacturing, including machine tools. Suitable for indoor use. Its installation is recommended in fixed ducts.

FLEXTEL 140 H05VV5-F

Flexible oil resistant control cable, for mobile use.

FLEXTEL 140 H05VV5-F is a cable for signalling and control systems. It is especially suitable for connecting industrial equipment and machine tools. Due to its properties, it is recommended for robotics and light mobile services. Its special vinilic outer sheath compound is particularly resistant to mineral oils and other chemical agents. It can be installed in either dry or humid environments.

FLEXTEL 200 VV-K

Flexible 0,6/1kV control cable.

FLEXTEL 200 VV-K cable is suitable for fixed installations with complex layouts where flexible cables are required. It is also ideal for connecting motors or frequency converters. The characteristics of the outer sheath material make this cable extremely versatile as it provides a high level of protection in all types of environments.

TOXFREE ZH Z1Z1-K (AS)

Flexible and halogen free (LSHF) power cable for public places.

Toxfree® ZH Z1Z1-K (AS) is a LSHF safety cable. In the event of fire, it does not emit toxic gases, nor does it give off corrosive gases, avoiding any possible damage to people or electronic equipment. For these reasons it is highly recommended for use in public places such as: hospitals, schools, museums, airports, bus terminals, shopping malls, offices, laboratories, etc.

SCREENFLEX 110 LiYCY VC4V-K & 200 VC4V-K

Flexible screened PVC cable, for safe signal transmission.

SCREENFLEX 110 LiYCY VC4V-K & 200 VC4V-K is a screened control cable. It is used in all types of signal transmission connections where the voltage induced by an exterior electromagnetic field may affect the signal transmitted. Its most common applications are: control circuits, electronic equipment connections, computer systems, etc.

TOXFREE ZH Z1C4Z1-K (AS)

Halogen free (LSZH) screened power cable.

TOXFREE ZH Z1C4Z1-K AS is a screened LSZH safety cable. In case of fire, it does not emit toxic or corrosive gases, thereby protecting public health and avoiding any possible damage to electronic equipment. For this reason, its use is highly recommended for public places and for all installations where it is necessary avoid to electric interference of nearby circuits.

TOPDRIVE VFD (EMC) ROZ1-K (AS) 0,6/1 kV

Flexible EMC LSZH screened cable for Variable Frequency Drive motors (VFD cables) and installation on ships and vessels.

TOPDRIVE VFD (EMC) ROZ1-K (AS) 0,6/1kV cable has been specially designed for Variable Frequency Drive Motors and installations where it is necessary to limit the effects of electromagnetic interference (EMI). This is a flexible cable for fixed installations, for variable speed motors or pumps.

TOPDRIVE VFD (EMC) ROZ1-K (AS) 1,8/3 kV

3kV flexible EMC LSZH screened cable for Variable Frequency Drive motors (VFD cables).

TOPDRIVE VFD (EMC) ROZ1-K (AS) 1,8/3kV cable has been specially designed for Variable Frequency Drive Motors and installations where it is necessary to limit the effects of electromagnetic interference (EMI).

TOPDATA VHOV-K (PAR-POS) & VOV-K (POS) 300/500 V

Flexible instrumentation screened cable.

TOPDATA VHOV-K (PAR-POS) and VOV-K (POS) is a flexible screened cable for signalling and control on industrial machinery facilities. The overall screen (VOV-K) and individual and overall screen (VHOV-K) make them especially suitable for areas where electrical noise protection is required.

Top Cable, a global supplier to the world’s control cables and screened cables.

At Top Cable we have a wide range of control cables and screened cables for optimum mechanical protection designed and produced by our team of experts. Control cables and screed cables are to keep external electromagnetic energy from getting into the cable and corrupting the data travelling down it.

 

FREQUENTLY ASKED QUESTIONS (FAQ) ON CONTROL CABLES AND SCREENED CABLES

How can the user know that a product is correct for applications under the CPR?

The following elements are necessary for the user:

  • Knowledge on the Euroclass requested by any national regulations for the defined building/construction works.
  • Label which shows the CE marking with accompanying information related to the certification.
  • Declaration of Performance from the supplier.

What are control cables?

Control cables are multi-conductor cables that carry electrical signals used to monitor or control electrical power systems and their associated processes, such as: current transformers, potential transformers, relays, switches, measuring equipment, among others. Control cables are the lifeline of automated systems, drag chains, instrumentation, and applications of similar nature.

What types of control cables are used for industrial automation?

Control cables are flexible industrial cables used in machinery supply, automation, motor, robotics and control applications. At Top Cable we manufacture and commercialize a full portfolio of flexible control cables, including: LiYCY & LiYY cables, YY cable, SY cables.
Types of control cables:

  • LiYCY cable: Flexible screened PVC cable, for safe signal transmission. Suitable for control and measurement applications in industrial machinery.
  • LiYY cable: Unscreened and unshielded cable for light duty in dry and humid environments.
  • YY cable (YSLY) : Versatile unscreened or unshielded cable suitable for most situations where there is only light mechanical stress.
  • SY cable (YSLYSY) : Flexible shielded cable with galvanised steel wire braid for additional mechanical protection.

What are the applications of Control cables?

Control cables are used in applications for automation and instrumentation: power distribution, production centres, assembly lines, automated systems, control, regulation and measurement of technical devices, robotics, and suchlike.

What are the technical specifications of Control cables?

The technical specifications of control cables would depend basically on the area of use and application. The common technical specifications of control cables such as H05VV-F, H05VV5-F, VV-K, LiYCY VC4V-K are:

  • Voltage Specifications: 300 V to 600 V.
  • Thermal performance: temperature Limits – from -40ºC to +70ºC.
  • Chemical & Oil performance: excellent resistance.
  • Cable diameter: From sizes starting from 2×0,75 mm2 to 60G2,5 mm2.

What are the advantages of Control cables?

The advantages of control cables manufactured and distributed by Top Cable include: lightweight and flexibility, chemical & oil resistance, mechanical efficiency, best anti-interference functioning, use in either dry or humid environments, and compliance with the most stringent quality assurance and quality control processes.

What is the fire performance of Screenflex® LiYCY control cable according to CPR?

Screenflex® LiYCY is rated CPR Cca -s2, d1, a3 (grey fire non-propagation outer sheath) or CPR Eca (black outer sheath), according to EN 50575. More info on European Construction Products Regulations can be found here.

Are all VFD cables the same? What advantages does TOPDRIVE® ROZ1-K cable have over other R0Z1-K cables?

Top Cable’ s TOPDRIVE® ROZ1-K cable design is the one with the highest performance, favouring earth leakage and avoiding the effect of voltage peaks:

  • Flexible copper conductor (class 5), which gives the cable maximum flexibility.
  • Arrangement of conductors and earth three plus three (3C+3G) to avoid current leakage through earth.
  • Cross-linked polyethylene insulation (XLPE) with performance far superior to PVC.
  • Double aluminium-polyester screen that offers 100% shielding and thus prevents the emission of electromagnetic waves from our cable to the rest of the equipment.
  • Tinned copper mesh, with anti-corrosion features and better installation.
  • Halogen-free outer sheath (LSHF) with the highest CPR classification (Cca – s1ca, d1, a1) with low emission of fumes and corrosive gases in case of fire to protect people and equipment.

This is why Top Cable’s TOPDRIVE® R0Z1-K cable is recommended by leading manufacturers of variable frequency drives and also by GAMBICA, the British Capital Goods Association.

Why is it recommended to use XLP cables (as opposed to PVC) to power VFD motors?

To avoid voltage peaks, we should use a cable with XLPE insulation (90ºC) instead of one with PVC insulation (70ºC). In addition, the dielectric coefficient of XLPE (2.3) is much lower than that of PVC (7.4), which also reduces the capacitive effect and therefore the magnitude of the reflected waves.

Can I install an unshielded cable to power motors with VFD drives?

A cable with an inadequate shield (or no shield) can act as an antenna and be a source of radiated emissions. RV, RV-K, or RZ1-K cables do not guarantee electromagnetic compatibility and impedance matching, and are therefore not suitable for powering VFD motors.
Similarly, it is not advisable to install single core cables, even if they are shielded, as it is necessary to compensate for inductions and respect the symmetrical configuration of the 3C+3G phases.

What features does the TOPDRIVE® ROZ1-K cable offer against fire?

  • Flame non-propagation according to UNE-EN 60332-1 / IEC 60332-1.
  • Fire non-propagation according to UNE-EN 60332-3 / IEC 60332-3 and EN 50399.
  • CPR reaction to fire: Cca-s1a, d1, a1, according to EN 50575.
  • Halogen-free according to UNE-EN 60754-1 / IEC 60754-1.
  • Low emission of corrosive gases according to UNE-EN 60754-2 / IEC 60754-2.
  • Low smoke emission according to UNE-EN 61034 / IEC 61034: Light transmittance > 80%.

How does a variable frequency drive (VFD) work?

A Variable Frequency Drive (VFD) is a system for controlling the rotational speed of an alternating current (AC) motor by controlling the power frequency supplied to the motor.
An electric motor rotates its rotor according to the parameters achieved by the voltage and frequency of the electrical power supplied to the motor. Internationally, there are different mains voltages, such as 400 V (three-phase), 380 V (three-phase), etc., and frequencies of 50 or 60 Hertz. By varying the voltage and/or frequency, the performance of the motor, including the speed, varies. It is usually difficult to change the voltage or frequency without auxiliary equipment.

To vary the voltage and frequency effectively, a variable frequency drive is used. Normal power is supplied to the VFD and the output of the VFD is fed to the electric motor. The VFD has controls that can be adjusted to control the speed of the motor.

A VFD provides precise control of the speed and torque of an AC motor through pulse width modulation (PWM). In a VFD system, it is critical to choose the right cable for best performance, maximum energy efficiency and long life.

What is the difference between screened and non-screened cables?

Screened (or shielded) cables are insulated with a metal foil or braid that provides additional protection against interference. Non-screened cables do not have this insulation, therefore are not recommended for locations where interference may exist.

How do electric cables handle electromagnetic interference (EMI)?

Cables are shielded with materials such as copper or aluminium to reduce the effects of EMI. The shielding acts like a Faraday cage between the cable and the surrounding electromagnetic fields, decreasing the amount of interference that is induced into the cable.

What standards do control and screened cables need to meet?

Control and screened cables must meet several industry standards to ensure safety, performance, and reliability. Some of the key standards they usually meet are IEC Standards, UL Standards, NEC, ISO Standards, BS Standards and RoHS Compliance. More information on these standards can be found here.

What are the shielding effectiveness metrics for screened cables?

Shielding effectiveness (SE) metrics for screened cables are typically measured to evaluate how well the cable can protect against electromagnetic interference (EMI) and radio frequency interference (RFI). Some of the most commonly used metrics are:

  • Frequency Range: SE can vary with frequency, so it’s important to specify the frequency range over which the effectiveness is measured.
  • Return Loss: This metric measures how much of the signal is reflected back towards the source due to impedance mismatches. A higher return loss indicates better performance.
  • Insertion Loss: This measures the loss of signal power resulting from the insertion of the cable into a circuit. It is also expressed in dB and is important for understanding how much of the signal is lost due to the cable itself.
  • Common Mode Rejection Ratio (CMRR): This metric assesses how well the cable can reject noise that is common to both conductors. A higher CMRR indicates better performance in rejecting interference.
  • Grounding and Bonding: The effectiveness of the grounding and bonding of the shield can also impact overall shielding effectiveness. Proper grounding techniques can enhance the performance of the shield.
  • Shielding Material and Construction: The type of material used for the shield (e.g., foil, braid, or a combination) and the construction method (e.g., coverage percentage, thickness) can significantly affect SE.
  • Environmental Factors: Factors such as temperature, humidity, and mechanical stress can also influence the shielding effectiveness over time.

When evaluating screened cables, it’s essential to consider these metrics in the context of the specific application and the types of interference that may be present.

How do control cables manage signal integrity over long distances?

Good quality cable materials reduce resistance and minimize losses, ensuring that signals can travel longer distances without significant degradation. With Top Cable’s cables you can guarantee signal integrity, providing reliable communication even over long distances.

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