Exclusive Trefoil Cable Clamps

Trefoil Cable Clamp
ECT - Exclusive Trefoil Cable Clamp

Trefoil Cable Clamp | Trefoil Clamps for Cables | Electrical Non Metallic Cable Clamps | Non Metallic Cable Clamp

AMROCK has been developing and manufacturing Exclusive range of Trefoil Cable Clamps for mounting of low, medium and high voltage cables with diameters ranging from 27mm to 150mm.

It is required for the mounting of three single- or multi-conductor cables in a triangular configuration.

Benefits :

  • Resistant to oils, fats, frost, heat, UV, ozone, salts, moisture, acid, aggressive chemicals and even nuclear radiation.
  • UV resistant.
  • Halogen-free.
  • Temperature range from -40°C to 120°C.
  • Coloured black
  • Non magnetic / non conductive
  • Available pre-mounted
  • Tailor-made fastening material is also available
  • Non oxidizing / non corrosive.
  • No sharp angles
  • Recyclable
  • Very simple installation.


We provide following sizes in Exclusive Trefoil Clamps. Kindly contact us if specific dimensions are required.

Product code Diameter
ECT 27-38 3 x 27-38
ECT 38-51 3 x 38-51
ECT 51-69 3 x 51-69
ECT 69-90 3 x 69-90
ECT 90-118 3 x 90-118
ECT 118-150 3 x 118-150


  • Flame Retardant
  • High Tensile Strength
  • Resistant to UV, Heat, Acids, Moisture and Radioactive Emissions
  • No Effect on Mechanical Strength over temperature range of - 40 °C to 120 °C


1) Suitable for high voltage single core cables where current rating is high and 3 core cables are not available.
2) Used in Tunnels, Bridges, Power Generation Stations, Sub-Stations, Thermal Power Stations, Switchgear Plants, Industrial Installation, Terminal Kits
3) Used for Indoor or Outdoor for vertical or horizontal running cables inside trenches or on racks / galleries


  • Saves space, both in height and width.
  • Suitable for fixing to any preslotted rung design.
  • Compact and Light Design.
  • Low product price and low installation cost.