Unex aparellaje eléctrico, S.L.
About
Unex is a Spanish manufacturer founded in 1964 and headquartered in the Barcelona area, specializing in insulating cable management systems for electrical, telecommunications, HVAC, and industrial installations. The company designs, formulates, and manufactures all products in-house using two proprietary polymer compounds: U23X, a high-performance insulating thermoplastic, and U48X, a halogen-free material made from 100% recycled thermoplastic. Unex's flagship Insulating Cable Tray 66 system provides inherent electrical safety by eliminating stray current risks and the need for grounding, while offering corrosion resistance, impact absorption, and UV stability — properties critical for harsh water and wastewater environments. Proven field performance validates these claims: Tray 66 installations at the Llobregat desalination plant in Barcelona (producing 200,000 m³/day of potable water) have shown no structural degradation, corrosion, or loss of insulating capacity after 15 years of exposure to salinity, humidity, chemical agents, UV radiation, and vibration, while installations at the Fairfield wastewater treatment plant in Australia have maintained optimal performance for over 31 years under intense UV exposure and extreme temperatures. Unex products hold Environmental Product Declarations per PEP Ecopassport, are RoHS-compliant and UL-certified. The company operates using 100% renewable energy, holds ISO 14001:2015 certification, and is a member of the Catalan Water Partnership, reinforcing its commitment to sustainable water infrastructure.
Key Products
Proprietary polymer cable tray system providing inherent electrical insulation, corrosion resistance, and UV stability for managing electrical cabling in water treatment and desalination plants
Halogen-free, 100% recycled thermoplastic version of the Tray 66, offering the same insulating properties with enhanced environmental sustainability for green-certified water infrastructure projects
Corrosion-resistant cable conduit and management systems for routing electrical wiring in humid, saline, and chemically aggressive environments typical of water and wastewater treatment facilities
Non-conductive cable clips, brackets, supports, and fastening elements designed to complement the Tray 66 system and maintain electrical isolation throughout cable installations
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