Power cable TOXFREE ZH ROZ1-K (AS) VFD EMC

flameproofmulti-strandcopper

This cable has been specially designed for use in installations where it is necessary to limit the effects of Electromagnetic Interference (EMI), also know as Radio Frequency Interference (RFI). The source of this kind of interference may be an object or device that carries changing electrical currents. VFD cables are designed with three phase conductors plus grounding, and have a low smoke emitting and halogen free sheath. They are flexible cables suitable for fixed installations. The new generation of variable-speed drive (VDF) provide a series of advantages to the industry, but at the same time one of their main disadvantages is the emission of electromagnetic interference. In order to limit the extent of this type of electromagnetic interference it is necessary to use equipment and cable with Electromagnetic Compatibility, known as EMC. With regards to cable the necessary EMC is achieved by firstly ensuring a symmetrical distribution of the conductors. Secondly, a special protective screen is added to ensure the required EMC when variation-speed drives are used. This means a longer lifespan for the motor or pump being used. Conductor: Electrolytic copper, class 5 (flexible), based on IEC 60228 Grounding Conductor: From 6 mm2, the grounding conductor is divided into three conductors; the equivalent section of the three protective conductors together is approximately 50% of the section of the phase conductor. Insulation: XLPE The standard identification is the following: 4G ............. grey + brown + black + yellow/green (up to 4 mm2) 3x + 3G ...... grey + brown + black + yellow/green (3 x) (from 6 mm2)