Manufacture of accessories for electrical and communications installations

Redes Trenzadas Aislantes (Retrensa) is a company dedicated to the manufacture of accessories for electrical and communications installations.

Since our foundation in 1984, we have specialized in the manufacture of plastic-coated steel supports and clamps, in addition to the supply of other complementary products.

We provide our personalized products and services on demand in the following sectors:





  • Plasticized supports and clamps
  • Fiber optic cable accessories
  • Supports and clamps in synthetic material
  • Hardware, staples and other line accessories
  • Stainless steel cable ties
  • Lifeline pins
  • Caps
  • Tacos
  • Hooks
  • Steel cable
  • Tensioners
  • Preformed

Quality Certificates

Portada del catálogo de productos de Retrensa.