Unified ETA-4 Enclosed Rail

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Features and Benefits

Unified® Industries ETA-4 Enclosed Aluminum Rail Systems are ideal for all lightweight applications. ETA-4 is economically and ergonomically superior to standard steel bridge crane and monorail systems.

Load Trolleys with High-Performance Bearings Nylon glass-reinforced wheels with sealed precision ball bearings.
Dielectric Insulation Trolleys and components can be dielectrically insulated to enhance safety in electrically sensitive environments by preventing electrical conductivity through the trolley system.
Modular Component Compatibility Compatible with a wide range of Unified Industries components like festooning kits, end trucks, and hangers.

ETA-4 Components

Browse all Unified ETA-4 compatible components by clicking a component image.

Specifications

The Unified ETA-4 Enclosed Rail System features precision-engineered aluminum extrusion for optimal strength-to-weight performance in light to medium-duty applications. Its modular design enables flexible system configurations while ensuring uniform load distribution and reduced deflection. Ideal for ergonomic workstation cranes and overhead handling systems, the ETA-4 delivers smooth, reliable operation in high-cycle environments.

Documents

Brochures & Catalogs

[Brochure] Unified Bridge Cranes and Safety Trolleys Brochure - English

Manuals & Supplements

[O&M Manual] Unified ETA Installation Manual - English [O&M Manual] ETA-4 Rail Systems Operations Manual - English [Engineering Manual] ETA System Parts Manual - English

Product & Data Sheets

[Product Sheet] Unified ETA-4 Old Profile Load Chart - English [Product Sheet] ETA-4 Metric Rated Load Chart [Product Sheet] Unified Industries ETA Inspection Maintenance Checklist - English [Product Sheet] ETA-4 Load Chart

FAQs

What is the maximum load capacity of the ETA-4 rail?

The ETA-4 is designed for light to medium-duty applications, with load capacities depending on span and configuration. Load charts are available in both imperial and metric units to guide proper system design.

Can the ETA-4 system be customized for specific layouts?

Yes, the ETA-4 features a modular design that supports custom configurations, making it ideal for adapting to unique workstation or facility layouts.

What types of trolleys are compatible with the ETA-4 rail?

The system supports load trolleys with nylon glass-reinforced wheels and sealed precision bearings, offering smooth, quiet operation. Optional dielectric insulation is also available for electrically sensitive environments.

Is the ETA-4 suitable for high-cycle industrial environments?

Absolutely. The ETA-4 is engineered for reliable, long-term performance in high-cycle applications, especially where ergonomics and low maintenance are priorities.

What are the installation requirements for ceiling mounting?

The ETA-4 is designed for ceiling-mounted applications and includes a variety of mounting hardware and hanger options to accommodate different structural conditions. Installation manuals and support documentation are available from CMCO

Unified ETA-4 Enclosed Rail