Eaton TWBS3054 Thru-Wall Barrier - For marine applications

Part Number: TWBS3054
Manufacturer
Eaton
Part number
TWBS3054

Quick Summary

The Eaton TWBS3054 Thru-Wall Barrier sealing block assembly provides rugged, field-ready sealing for through-wall openings in marine-rated enclosures, protecting critical cable and conduit runs. End users often battle elastomeric seals that degrade in harsh environments, causing leaks, maintenance headaches, and downtime. UL certifications for firestop devices in the US and Canada and area classifications for Ordinary/Non-Hazardous locations support regulatory compliance and safer operation. With five openings, three frame spaces, elastomeric material, and a footprint of 11.38 by 7.25 by 3.25 inches, TWBS3054 enables efficient installation and reliable marine sealing. Designed to integrate with the TW series, it simplifies procurement and reduces on-site adjustments, delivering measurable value for cable and conduit sealing programs.

Product Information

Extended Description

TWBS3054 Eaton: Eaton Crouse-Hinds series Thru-Wall Barrier TWB sealing block assembly, Elastomeric, 3 frame spaces required, 5 openings in block, Opening size range: 1.000-1.250", For marine applications
Product Name
Eaton Crouse-Hinds series Thru-Wall Barrier TWB sealing block assembly
Catalog Number
TWBS3054
UPC
782274277264
Product Length/Depth
11.38 in
Product Height
3.25 in
Product Width
7.25 in
Product Weight
13 lb
Area classification
Ordinary/Non-Hazardous Locations
Opening size range
1.000-1.250"
Number of openings in block
5
Number of frame spaces required
3
Material
Elastomeric
Type
For marine applications
Feature: five openings in the block and three frame spaces. Business Impact: enables sealing multiple cables with a single assembly, reducing spare parts, procurement time, and field labor. Application: ideal for through-wall penetrations in marine and industrial enclosures. Feature: elastomeric material. Business Impact: delivers resilient, moisture-resistant seals that withstand vibration and chemical exposure, shortening maintenance cycles. Application: harsh marine environments and equipment rooms with dynamic conditions. Feature: opening size range 1.000-1.250 inches. Business Impact: accommodates common cable and conduit entries, minimizing need for adapters and extra fittings. Application: standard through-wall penetrations in switchgear and control cabinets. Feature: overall dimensions 11.38 in L Ă— 7.25 in W Ă— 3.25 in H and weight of 13 lb. Business Impact: manageable weight and footprint support easier handling, installation, and retrofits in constrained spaces. Application: cabinet fabrication and shipboard installations where space is limited. Feature: area classification Ordinary/Non-Hazardous Locations and UL firestop certifications. Business Impact: supports compliance and safer operation in general locations, reducing risk during audits. Application: marine and non-hazardous industrial environments, including retrofit projects with firestop expectations. Overall, TWBS3054 combines compatibility with TW series components, streamlined procurement, and reliable sealing performance to lower total cost of ownership and improve project timelines for marine and industrial deployments.

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FAQs

TWBS3054 supports five openings in a single sealing block and requires three frame spaces for proper mounting. The design centralizes multiple penetrations into one elastomeric assembly, reducing the number of separate seals and simplifying installation when using the TW series framework.
The opening size range is 1.000 to 1.250 inches. The block measures 11.38 inches in length, 7.25 inches in width, and 3.25 inches in height, with an approximate weight of 13 pounds, enabling manageable handling during installation.
Yes. TWBS3054 is designed for marine applications and carries area classification for Ordinary/Non-Hazardous Locations, along with UL firestop certifications, making it appropriate for non-hazardous environments and retrofit projects in marine enclosures.
TWBS3054 references UL certifications for firestop devices in the US and Canada and supports Ordinary/Non-Hazardous location classifications. Documentation is available via UL certification pages and Eaton’s catalog and specification sheets referenced in the product data.
Installation guidance is supported by Eaton’s IF 1020 instruction sheet for TWBS sealing blocks and the TWBS3054 specification sheet, along with the Crouse-Hinds catalog page. These resources help with correct block selection, mounting, and penetrations in marine or industrial cabinets.