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Screened telephone cable TPPepZBbShp



Telephone cable with continuous polyethylene insulation of cores, with a screen made of alumopolymer tape, in a polyethylene sheath, armored with steel tapes, with an outer protective hose made of polyethylene, with a hydrophobic filling for laying in soils of all categories that are not characterized by increased corrosive activity in relation to steel armor, not subject to permafrost deformation and in conditions of high humidity.

    Required cable section

    Number in meters

    Conductor – made of copper soft round wire.
    Insulation – in TPPepZBbShp cables – solid polyethylene.
    Twisted pair:
    Elementary five – or ten paired bundles.
    Top 50- or 100-pair beams.
    Twisted core.
    Aggregate filling the free space of the core with a hydrophobic aggregate.
    Belt insulation – polyamide, polyethylene or polyethylene terephthalate tapes.
    A layer of a hydrophobic filler – top belt insulation.
    Screen – alumopolymer tape, tinned copper contact wire is laid under the screen.
    Sheath – polyethylene.
    Protective cover – type BbSHp.

    Decipher the “TPPepZBbShp” wire as follows:
    – Telephone

    P – Polyethylene insulation
    P – Polyethylene sheath
    ep – Screen made of aluminopolymer tape
    Z – Hydrophobic aggregate
    B – Armor of two steel belts
    b – Without a pillow, which is the inner part of the protective cover, imposed under the armor in order to protect the element underneath from corrosion and mechanical damage by strips or wires of the armor
    SHp – Protective cover in the form of a pressed-out polyethylene hose


    Designed for operation in local primary communication networks with a rated voltage of remote power supply up to 225 or 145 V AC with a frequency of 50 Hz or voltages up to 315 and 200 V DC, respectively. For laying in soils of all categories (except for mechanized – in rocky soils), not subject to permafrost deformations, in conditions of high humidity.
    Cables are used in conditions not characterized by increased external electromagnetic influence. When laying, installing and operating cables, it is not allowed to get moisture or soil electrolytes under the cable sheath through its ends. It is not allowed to feed into the core or apply on the outer surface of the cables substances harmful to its insulation and sheath. A unique indicator of the product is the following data corresponding to the standards: core insulation – high-pressure polyethylene, screen – aluminum-polyethylene tape, armor (armor) – steel tapes, sheath – light-stabilized LDPE. It should also be said that the required building length is set when ordering and a service life of at least 25 years is indicated by the manufacturer. This cable can be pulled in UHL conditions, placement category 1, 2, within permissible temperature ranges from -50 ° C to 50 ° C.


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