Eaton R1122 HC Bussed gutter & termination cabinets - UL Listed
Part Number: R1122 HC
Quick Summary
Eaton B-Line series bussed gutter and termination cabinets provide bus-ready power distribution for industrial panels and switchgear rooms. Facility teams face space constraints, cabling complexity, and maintenance bottlenecks; these cabinets simplify routing and accelerate project timelines. UL Listed and NEMA 3R-rated protections ensure reliable operation in diverse environments, while a 400 A bus rating and 10 kAIC interrupt capability support high-demand circuits. Built for surface-mount installations with galvanized steel and ANSI 61 gray finish, the solution combines rugged durability with easy serviceability, helping engineering teams meet safety standards while reducing installation and ongoing maintenance costs. This design also supports scalable configurations for evolving power distribution needs.
Product Information
Extended Description
R1122 HC Eaton: Eaton B-Line series bussed gutter and termination cabinets, 400 A, 3R, 10 kAIC, #4 - 600 MCM, 4 positions, 5/16" mounting holes for load lugs, Galvanized steel, 1Ø/3W, (2) 1/0-250 MCM cables, NEMA type 3R, 3Ø/4W, Surface mount
Product Name
Eaton B-Line series bussed gutter and termination cabinets
Catalog Number
R1122 HC
UPC
782051570830
Product Length/Depth
6 in
Product Height
13 in
Product Width
28.375 in
Product Weight
43 lb
Certifications
UL Listed
Interrupt rating
10 kAIC
Bus rating
400 A
Material
Galvanized steel
Finish
ANSI 61 gray paint
Enclosure material
Aluminum bussing
Number of wires
3
Mounting method
Surface mount
Line lug size
#4 - 600 MCM
Load lug size
5/16"
Degree of protection
3R
Feature: High current capability and protection. Benefit: Supports critical feeders with a 400 A bus rating and 10 kAIC interrupt capacity, reducing the need for oversized upstream gear and improving short-circuit safety. Application: Ideal for industrial power distribution in panels and switchgear rooms where reliability and fast protection are essential. Feature: NEMA 3R/NEMA-rated enclosure versatility. Benefit: Delivers outdoor-friendly, weather-resistant performance without sacrificing indoor reliability, enabling multi-environment deployment. Application: Suitable for plant floors, service areas, and exterior installations where environmental exposure occurs. Feature: Flexible conductor and lug compatibility. Benefit: Handles #4 - 600 MCM line lugs and 5/16" load lugs with room for (2) 1/0-250 MCM cables, simplifying wire management and reducing field alterations. Application: Streamlines wiring for large-diameter feeders and bus bars. Feature: Robust materials and finish. Benefit: Galvanized steel construction with ANSI 61 gray paint delivers corrosion resistance and long service life, minimizing maintenance costs. Application: Enclosures subject to moisture, dust, and varying temperatures. Feature: Compact, surface-mount design. Benefit: 6 in depth, 28.375 in width, 13 in height, and 43 lb weight enable quick installation and easier handling during retrofit or new-build projects. Application: Space-constrained rooms and retrofit projects where mounting flexibility matters. Feature: System compatibility and serviceability. Benefit: Part of Eaton B-Line series with documented accessories and installation practices, ensuring consistent performance and ease of expansion. Application: Integrates with broader low-voltage distribution layouts and modular bus gutter systems.
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FAQs
The R1122 HC is designed for surface-mount installations in industrial environments, including switchgear rooms and service areas. Its NEMA 3R rating supports indoor and outdoor use, while the 400 A bus and 10 kAIC interrupt rating handle demanding feeders. The cabinet accepts large conductors and provides organized, accessible terminations for reliable maintenance.
This cabinet features a 400 A bus rating and a 10 kAIC interrupt rating, enabling safe fault current handling for typical industrial feeders. It supports 1Ø/3W and 3Ø/4W configurations, and accommodates substantial conductor sizes with approved line lug and load lug specifications for flexible system design.
The unit provides line lug sizing of #4 - 600 MCM and load lug sizing of 5/16 inches. It also accommodates up to two cables of 1/0-250 MCM, making it suitable for large feeders and bus bar connections while maintaining organized, scalable wiring within a compact footprint.
The R1122 HC is UL Listed and built as a NEMA 3R-rated enclosure. These certifications support compliance for safe operation in a variety of environments, including outdoor installations, while ensuring reliability and quality in critical power distribution applications.
This cabinet delivers faster install and easier maintenance through its surface-mount design, standardized fittings, and rugged galvanized steel construction with ANSI 61 gray finish. Its high current capacity, compact footprint, and compatibility with B-Line gutter systems reduce overall system costs, space requirements, and commissioning time for industrial power distribution.