Contact Us

+852 2116 1040

+86 180 1862 7191

sales@caledonian-cables.com

Quick Contact

Hot

  • Fire Resistant Cables
  • EN50288-7 Cables
  • Composite Cables
  • EN50288-7 Cables

Certificate

  • Caledonian
  • Caledonian
  • Caledonian
  • Caledonian

Join the newsletter

Subscribe to get our latest content by email.

    We won't send you spam.

    Unsubscribe at any time.

    G7621 Trackside Communications Cables

    • G7621 Trackside Communications Cables
    • G7621 Trackside Communications Cables

    Application

    The cables are designed for installation in trackside bracket runs and for use in open locations (type1) or in tunnels or underground locations (type2).

    Reference Standards

    • LUL Spec G7621 A2 type 1 (for PVC sheath)
    • LUL Spec G7621 A2 type 2 (for LSZH sheath)

    Cable Construction

    • Core IdentificationConductors: Solid plain copper, 0.63/0.9 mm nominal diameter.
    • Insulation: Cellular polyethylene.
    • Cabling Element: Two insulated conductors are twisted together to form a pair.
    • Core Wrapping: Non-hygroscopic plastic tape with overlapping.
    • Outer Sheath: PVC/LSZH sheath, coloured violet.
    • 1 Pair Cable: Blue / White
    • 3 Pair Cable: Blue / White; Orange / White; Green / White

    Electrical Characteristics at 20℃

    Nominal Conductor Diameter mm 0.63 0.9
    Maximum Conductor Resistance      
    Average Value Ω/km 57.5 28
    Individual Value Ω/km 59 29
    Minimum Insulation Resistance @500 V DC MΩ.km 1500 1500
    Maximum Average Mutual Capacitance nF/km 59 59
    Maximum Average Capacitance Unbalance      
    Pair to Pair pF/460m 100 100
    Pair to Earth pF/460m 1200 1200

    Mechanical and Thermal Properties

    • Minimum Bending Radius: 7.5×OD
    • Temperature Range: -30℃ to +70℃ (during operation); -10℃ +55℃ (during installation)

    Dimensions and Weight

    Cable Code No. of pairs Nominal Thickness of Sheath
    mm
    Nominal Overall Diameter
    mm
    Nominal Weight
    kg/km
    0.63mm Conductor, 1.15mm Insulated Wire
    RS7621A2/T1-02YY-1P0.63 1 2.5 7.0 60
    RS7621A2/T1-02YY-3P0.63 3 2.5 9.0 90
    0.9mm Conductor, 1.5mm Insulated Wire
    RS7621A2/T1-02YY-1P0.9 1 2.5 8.0 70
    RS7621A2/T1-02YY-3P0.9 3 2.5 10.0 120
    Contact Us

    Add the link of current page.

    Clear

    Submit

    Instant Messaging

    WhatsApp :

    +852 6230 0392

    Skype :

    Caledonian Cables

    live:1cb87739a29fb08c

    Wechat :
    The personal information you enter is only used to reply to your message, It will not be leaked or used for other purposes.