NEMA 7 y 4x ELECTRICAL SUPPLIES FOR HAZARDOUS LOCATIONS
Industrial-grade NEMA 7 & 4X solutions engineered for explosive atmospheres and extreme corrosive environments. Safety, compliance, and reliability for global energy projects.
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Tecna: NEMA 7 & 4x products
Tecnoweld: Grounding & Lightning Protection
TECNA ICE: Asset Integrity Management & Tech Services
Regulatory Compliance
Certified products and services meeting the highest industry standards: UL, NEMA, NEC, API, AMPP (NACE), and ISO 9001, among others.
Specialized Technical Support
Each TECNA Group company features a team of expert engineers providing hands-on technical guidance for every project phase.
Proven Track Record
Over 45 years of experience and 1,000+ successful projects across the Americas. Trusted vendor for industry leaders such as Ecopetrol and major global energy firms.
Top-Tier Engineering Highlights
Field-proven solutions certified for the most demanding hazardous and corrosive environments across the Americas.
Explosion-Proof Junction Boxes (NEMA 7)
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UL-Certified for Class I, Div 1 & 2, Groups B, C, and D.
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Copper-free aluminum alloy for superior corrosion resistance.
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Precision NPT tapered threads for flame-tight joint integrity.
Heavy-Duty Hazardous Location Control Stations
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Customizable configurations with push buttons, pilot lights, and selector switches.
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NEMA 4X / 7 / 9 rated for indoor and outdoor industrial use.
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Rugged mechanical design for high-frequency operational endurance.
Exothermic Welding (Moldes)
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Creates permanent, high-conductivity molecular bonds.
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Unmatched durability: connections will not loosen or corrode over time.
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Exceeds IEEE 837 requirements for substation grounding applications.
Explosion-Proof Sealing Fittings (Conduit Seals)
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Restricts the passage of gases, vapors, or flames through conduit systems.
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UL-Listed for use in vertical or horizontal installations.
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Large opening design for easy compound packing and pouring.
Explosion-Proof Distribution Panelboards
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Custom-built for Class I, Div 1 & 2 hazardous locations.
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Integrated NEMA 7 protection for circuit breakers and internal components.
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Factory-sealed options available to reduce installation time and costs.
GPS Current Interrupter
Designed with specialized Latin American engineering for demanding CIS, DCVG, ON/OFF, and related inspections.
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Autonomous Cycling up to 36 hours
- Smart Thermal Protection
- Compatible with Leading Brands
A Comprehensive Industrial Ecosystem
Through Tecnoweld and TECNA-ICE, we provide specialized solutions in exothermic welding and asset integrity, ensuring a 360° approach to safety and reliability.
TECNA-ICE: Asset Integrity & Smart Technology
TECNA-ICE integrates cutting-edge technology with decades of field experience to protect your most valuable assets and securty process. We specialize in the design and implementation of Asset Integrity Management (AIM) systems, ensuring that your infrastructure operates safely, efficiently, and in full compliance with global environmental and safety regulations.
Tecnoweld: Permanent Grounding Superiority
High-conductivity exothermic welding, connectors and other products designed to ensure lifetime electrical integrity for grounding systems in industrial and energy infrastructure.
Trust Backed by Major Energy Projects
We are an approved vendor for Ecopetrol and global leaders in the Oil & Gas and Energy sectors across the Americas.
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Approved Global Vendor: Official supplier for Ecopetrol Group and major international energy corporations.
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45+ Years of Proven Tenure: A legacy of reliability and engineering excellence since 1979.
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Premium Material Supply: High-performance NEMA 7 & 4X enclosures, exothermic welding, graphite molds, and specialized connectors.
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Specialized Field Expertise: Comprehensive solutions in Asset Integrity Management, Cathodic Protection (services & supplies), and NDT Inspections.
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Pan-American Footprint: A solid track record of successful project execution throughout Colombia, the LATAM region and USA.
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Ready to Secure Your Project?
Get in touch with our technical experts today for a customized quote or professional guidance on your next hazardous location project.