Also in the extrusion stages (such as insulation, inner cover, final sheath) according to the conditions of the places used, it is possible to produce with polymers of polyethylene (crosslinked or plain), PVC, halogen free.
There are three ways to shield or screen cables. The most common method is to use aluminum foil tape with a 0.5 flexible tin-coated wire. The second method is to shield the cable using a plain or coated metal braid with a minimum coverage of 85%. There is another method that combines the above two methods using aluminum foil and braid shield with a minimum coverage of 43%.
At the customer’s request, it is possible to amoured the instrument cables in two forms: wire (common) and galvanized wire, which is placed on the inner cover of the cable. The output voltage range of Instrument cables is 500 volts, although it is possible to produce with voltages of 90 and 300 volts.
Abbreviations Symbol for instrument cables
Outdoor cable | A | Identifications of designation |
Installation Cable | J | |
Installation cable for Industrial electronic | RE | |
(PVC) Poly vinyl chloride | Y | Insulation materials |
(XLPE) Cross Linked Polyethylene | 2X | |
(PE) Poly ethylene | 2Y | |
Screen of braided copper wire | C | Screening |
Screen of plastic-coated metallic foil+ Drain wire +polyester tape | (st) | |
PVC | Y | Sheath material |
(PE) Poly ethylene | 2Y | |
Halogen free | HX | |
(PVC) Poly vinyl chloride heat resistant | Yw | |
Steel wire braid | (z) | Type of armour |
Steel tape armour | B | |
Pair in metal foil | Pimf | Type of stranding elements |
Triple in metal foil | Timf | |
Quad in metal foil | Vimf |
Abbreviations Letter for instrument cables
Copper conductor | CU |
Tinned copper conductor | TCU |
Individual screen | ISCR |
Overall screen | OCSR |
Mica glass tape | MGT |
Aluminum foil | AL Foil |
Stranded tinned copper | Drain Wire |
Polyester Tape | Pet |
Crosslink Polyethylene | XLPE |
Steel tape armour | STA |
Steel wire armour | SWA |
SWB | |
Aluminum tape armour | ATA |
Aluminum wire armour | AWA |
Halogen free granule | LSFOH |
Polyvinyl chloride | PVC |
The technical specifications of instrument cables are as follows:
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