Leoni Cables manufacturing facility

Precision Cable Engineering for Mission-Critical Industrial Connectivity

IEC & UL dual-certified industrial cables and wiring systems — specified by engineers in 58 countries for power distribution, automation, and infrastructure projects.

58 Countries Served
12M+ Meters Cable/Year
8 Certifications
20+ Years Experience

Industrial Cable & Wiring Solutions

From power distribution cables rated to 35 kV to precision instrumentation harnesses, every product is engineered to meet IEC and UL performance requirements.

Industrial power cables

Industrial Cables

XLPE and PVC insulated power cables rated 0.6/1 kV to 35 kV. IEC 60502 and UL 1072 compliant.

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Cable tray systems

Cable Trays & Raceways

Ladder, perforated, and wire mesh trays in galvanized steel and aluminum. NEMA VE 1 rated.

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Cable glands and connectors

Cable Glands & Connectors

Nickel-plated brass and stainless steel glands rated IP68. ATEX and IECEx options available.

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680+ Engineers & Staff
<0.03% Field Failure Rate
5M+ Assemblies Per Year
ISO 17025 Accredited Lab

Why Engineers Specify Leoni Cables

Measurable performance, verified compliance, and application-specific engineering — the foundation of every product we deliver.

Engineered for Zero Downtime

Every cable undergoes 100% electrical continuity testing and accelerated aging validation to IEC 60811, ensuring field failure rates below 0.03%.

Multi-Standard Global Compliance

Dual-certified to IEC and UL standards across our full product range, eliminating specification conflicts for multinational projects.

Fire Safety by Design

IEC 60332 flame retardant and IEC 61034 low-smoke cable constructions for life-safety applications in tunnels, data centers, and offshore platforms.

Application-Specific Engineering

In-house design team delivers custom cable solutions — from high-flex robotic cables to EMC-shielded instrumentation harnesses — in as few as 15 business days.

ISO 17025 Accredited Testing

Our accredited laboratory performs dielectric strength, insulation resistance, and mechanical endurance testing traceable to national metrology standards.

Rapid Technical Support

Dedicated application engineers provide specification assistance, cable sizing calculations, and installation guidance with 24-hour response SLA.

Industries We Serve

Application-proven cable solutions deployed in the most demanding industrial environments worldwide.

Industrial Manufacturing

Industrial Manufacturing

Data Centers

Data Centers

Oil & Gas

Oil & Gas

Rail Transit

Rail Transit

Renewable Energy

Renewable Energy

Building Infrastructure

Building Infrastructure

Technical Insights

Engineering knowledge, application notes, and compliance updates from our cable technology team.

Application Note

Selecting Fire-Rated Cables for Tunnel Applications per IEC 60332

A technical guide to flame propagation, smoke density, and halogen-free requirements for transit infrastructure cabling.

Standards Update

IEC 60502-1 Amendment 2: What Changes for MV Cable Specifications

Key revisions to medium-voltage cable testing protocols and their impact on procurement specifications.

Design Guide

EMC Shielding Effectiveness: Braid vs. Foil vs. Combination Constructions

Comparative analysis of shielding options for instrumentation cables in electrically noisy industrial environments.

Need a Cable Specification?

Our application engineers are ready to assist with cable selection, custom design, or technical documentation for your project.