Joint closure NC-450 OPGW has been developed for using with OPGWs (OPtical Ground Wires) for jointing max. 48 fibres. The closure can be used as a direct and branching joint closure for OPGWs and as for terminating OPGWs at the end pole to non-metallic duct or buried cables.


  • Butt joint type closure
  • Can be installed to a steel or wooden pole
  • Provides pressure-tight protection for optical fibres and splices
  • Suits for different type of OPGW constructions
    • Simple and installer-friendly construction
    • Short stripping lengths of the cables
  • No need for guiding fibres to separate splice trays
  • Is delivered as a pre-assembled kit including all the necessary materials except fibre protection sleeves
  • Fibre splices are placed to the rubber holders that can be fastened freely to the fixed splice tray
  • Each holder has space for 12 fibre protection sleeves
  • Capacity for 48 fibres
  • Cable inlets:
    • 3 inlets for OPGWs with inner dia. 16 mm
    • 1 inlet for duct/buried cable with inner dia. 23 mm
  • Size: 450 x Ø 115 mm
  • Material: acid-proof stainless steel
  • Tightness: IP 67
  • The tightness of every closure is tested in the factory


  • Heat-shrinkable sleeves for all cable inlets
  • Heat-shrinkable end-plugs for non-used cable inlets, 2 pcs
  • Steel ties for steel and aluminium wires of OPGWs, 12 pcs
  • Installation kit for the fibres of OPGWs
  • Holder for 12 fibre protection sleeves, 4 pcs
  • Earthing connector for 16 mm2 earthing electrode
  • Pack of silica gel moisture absorbent
Product STK* Nestor code

Joint closure NC-450 OPGW

7284539 LV2236


*Clicking on these numbers will take you to the product page on the Finnish STK service.