Fiber Cables

LSZH INDOOR OUTDOOR ARMORED CENTRAL TUBE OPTIC CABLE

Designed for universal indoor and outdoor installations, this armored central tube fiber cable features LSZH B2ca jacket and robust protection against rodents, UV, and water ingress. Ideal for high-performance and safety-critical environments.

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Description

The K2 KONEKT LSZH Indoor-Outdoor Armored Central Tube Optical Fiber Cable is engineered for maximum protection and flexibility in environments requiring both flame-retardant indoor routing and harsh outdoor durability.
This cable features a central PBT tube filled with thixotropic gel, housing up to 24 optical fibers. It is reinforced with fiberglass yarns and dry swelling material, wrapped in corrugated steel armor for mechanical and rodent resistance.
The outer jacket is made from UV-resistant black LSZH (RAL9005) material and rated B2ca under EN50575 for superior fire performance.

Key features include:

  • Central PBT tube with thixotropic gel
  • Glass yarn and dry water-blocking layer
  • Corrugated steel armor for rodent and impact protection
  • LSZH outer sheath (RAL9005), UV-resistant
  • Fiber types: OS2, OM3, OM4
  • B2ca fire rating (CPR EN50575)
  • ISO/IEC 11801-1:2017, IEC 60794 compliant
  • Up to 24 FO capacity
  • Identification per IEC 304 with black-striped colors from 13–24
  • Typical applications: backbone cabling, data centers, riser shafts, tunnels

General Features

* Fiber types: OS2 (G652D), OM3, OM4

* Central tube construction with water-blocking gel

* Fiberglass reinforcement + dry swelling tape

* Corrugated steel armor

* LSZH B2ca outer sheath, UV-resistant

* Color: RAL9005 Black

* CPR Classification: B2ca (EN50575)

* Fire-rated for indoor/outdoor use

* Marked with fiber type, count, and certification code

* Application: Indoor riser, outdoor duct, tray, direct burial

* Standards: ISO/IEC 11801-1:2017, IEC 60794

Dimensions

* Outer Diameter: 7.5 mm (2–24 FO)

* Cable Weight:

     *  6 FO: 92 kg/km

     *  8 FO: 93 kg/km

     *  12 FO: 95 kg/km

     *  24 FO: 99 kg/km

* Tensile Strength:

     *  Long Term: 1600 N

     *  Short Term: 2700 N

* Crush Resistance:

     *  Long Term: 2000 N

     *  Short Term: 2700 N

* Packaging: 4000 m / drum

* Marking: Fiber type + count + “B2ca Certified SGS 21WWYYxxxxxxM”

* Optical Specs (OS2):

     *  Attenuation @1310 nm: ≤0.36 dB/km

     *  Attenuation @1550 nm: ≤0.22 dB/km

     *  PMD: ≤0.2 ps/km^0.5

     *  Macro-bend @1550/1625 nm: ≤0.05 dB

Datasheet

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