Quality, service and reliability

Since 1998 KOZ Products BV has developed and grown steadily and its cable clamps and cable blocks are now applied in more than 60 countries worldwide. Their cable clamps and cable blocks were designed specifically to provide the best way of fitting low, medium and high voltage cables. They are also fit for mounting tubes and (hydraulic) pipes.

The range of the KOZ Products BV cable clamps and cable blocks goes from Ø 11 mm up to Ø 160 mm.

KOZ Products BV specializes in the design, manufacturing and distribution of new and innovative cable clamps and cable blocks.

cable clamps and cable blocks


The single cable clamp is suitable for fitting single- and multiple-conductor for low- medium and high voltage cables (and hydraulic pipes).


The trefoil cable clamp is suitable for fitting 3 single- and multiple-conductor for low- medium and high voltage cables (and hydraulic pipes).


The universal cable clamp is suitable for fitting a number of single- and multiple-conductor for low- medium and high voltage cables (and hydraulic pipes) alongside or in layers.


Custom made cable clamps and blocks or other technical solutions which we realize by working closely with you as our customer.

Online brochures

General overview of all KOZ® cable clamps and blocks tested in accordance  with the latest international standard.

(Installation) Videos

Video impression of KOZ® cable clamps and cable blocks and installation videos for multiple possibilities.

Cable clamps and blocks for high short-circuit currents

KOZ Products BV cable clamps and cable blocks are designed and manufactured to meet the highest possible requirements, and to withstand high short-circuit currents.

Therefore, they are perfect for use at locations where short-circuit-proof features are preferable. Short-circuit tests have been done by KEMA High Laboratory in The Netherlands and by Schneider under supervision of SGS Belgium.

NEN-EN-IEC 61914:2016 specifies requirements and tests for cable cleats and intermediate restraints used for securing cable in electrical installations.

KOZ Products is certified to the latest standards of NEN-EN-IEC 61914:2016.

ISO 9001: 2015, this standard specifies the requirements for the quality management system (QMS) of an organization. This standard requires documented procedures that are aimed at continuous improvement. This standard is therefore based on a process approach.

KOZ Products is ISO 9001:2015 certified.

SGS Belgium N.V. is the world’s leading inspection, verification, testing and certification company. They are recognized as the global benchmark for quality and integrity.

SGS was the organization that provided KOZ Products B.V. with the Certificate of Conformity for the NEN-EN-IEC 61914:2016.

Underwriters Laboratories (UL) is a global independent safety science company with more than a century of expertise innovating safety solutions.

Our products are UL certified, if you follow the below link you can consult these products accordingly.


Lloyds Register Nederland is an engineering, technical and business services organization providing compliance, risk and technical consultancy for the Marine market.

KOZ Products has achieved the Type Approval Certificate of Lloyds for the Marine and offshore market.

KEMA Labs (als known as DNV-GL) accredited testing and certification of equipment for transmission and distribution of electricity.

KEMA has performed many test (including a short circuit current test) for KOZ Products B.V. according the NEN-EN-IEC 61914:2016.

Schneider Electric is a global specialist in energy management and automation with operations in more than 100 countries.

Schneider Electric is involved with the testing of short circuit currents on our cleat and blocks.


KOZ Cable clamps and blocks are certified according to the international standard NEN-EN-IEC 61914:2016.

To receive the Certificate of Conformity NEN-EN-IEC 61914:2016, KOZ Products passed all the following tests with positive results:

  • salt water spray test
  • impact test
  • light accelerated ageing test – voltage test
  • lateral load test at +120°C
  • axial load test at +120°C
  • sliding load test with and without rubber inlays
  • needle flame test
  • test maximum temperature for permanent application +120°C
  • test minimum temperature for permanent application -80°C
  • test for resistance to electromechanical force in single, trefoil and flat formation

Extra benefits to use KOZ cable clamps and cable blocks

  • Resistant to oils, greases, frost, heat, UV, ozone, salt water, salts, moisture, acids, aggressive chemicals and nuclear radiation.
  • Non oxidizing / non corrosive.
  • Non magnetic / non conductive.
  • V-0 (UL94) self-extinguishing, Halogen-free.
  • Permanent application from -80˚C to +120˚C. Short-term heating of up to +220˚C.
  • No sharp edges.
  • Lifetime warranty.
  • Easy assembly.
  • Delivery from stock.
  • Available worldwide.
  • Custom made fastening material is also available.
  • Certified in accordance with the NEN-EN-IEC 61914:2016 international standard.
Oil Refinery, Chemical & Petrochemical plant


Terlindenhofstraat 36
2170 Merksem
VAT BE0434.519.220

Phone: +32 3 644 54 55
Email: [email protected]