Eaton R1123 HDD Enclosures & Gutter - UL Listed
Part Number: R1123 HDD
Quick Summary
Eaton R1123 HDD bussed gutter and termination cabinets are designed for compact, surface-mount electrical distribution in industrial control panels. This solution addresses space constraints, lug sizing, and high fault-current protection common in modern facilities. UL Listed safety certification, NEMA type 3R enclosure protection, and ANSI 61 gray finish ensure reliable performance in damp or outdoor environments. With a 600 A bus rating and 10 kAIC interrupt rating, it supports large feeders while maintaining stringent safety margins. The design also integrates versatile lug options and standardized components to streamline procurement and installation. By combining durable galvanized steel construction with practical mounting and wiring provisions, it delivers predictable uptime and lower lifecycle costs for your electrical infrastructure.
Product Information
Extended Description
R1123 HDD Eaton: Eaton B-Line series bussed gutter and termination cabinets, 600 A, 3R, 10 kAIC, #4 - 600 MCM, 6 positions, 5/16" mounting holes for load lugs, Galvanized steel, 3Ø/4W, (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
R1123 HDD
UPC
782051571011
Product Length/Depth
6 in
Product Height
22 in
Product Width
42.75 in
Product Weight
78 lb
Certifications
UL Listed
Interrupt rating
10 kAIC
Bus rating
600 A
Material
Galvanized steel
Finish
ANSI 61 gray paint
Enclosure material
Aluminum bussing
Number of wires
4
Mounting method
Surface mount
Line lug size
#4 - 600 MCM
Load lug size
5/16"
Degree of protection
3R
Feature → Business Impact → Application: High current capability with a 600 A bus rating and 10 kAIC interrupt rating enables you to feed large feeders directly from the cabinet, reducing the need for multiple subpanels and simplifying protection coordination in industrial facilities. This translates to faster commissioning, lower equipment footprint, and improved uptime in manufacturing lines that demand robust fault protection. Application: main distribution in machine halls, feeders for process lines, and service entrances that require reliable high-current performance. Feature → Business Impact → Application: NEMA type 3R protection and UL Listed certification provide dependable performance in outdoor or damp environments, lowering external enclosure risks and easing regulatory compliance. Industry teams benefit from documented safety and simplified audits while maintaining project timelines. Application: outdoor installations, loading docks, and weather-exposed electrical closets.Feature → Business Impact → Application: Versatile lug sizing supports #4 - 600 MCM line lugs and 5/16" load lugs, enabling direct connections to heavy feeders without adapters. This reduces installation steps, potential contact resistance, and field wiring errors. Application: heavy-duty feeders to motors, panels, and distribution blocks with mixed conductor sizes.Feature → Business Impact → Application: 4 wires across 6 positions offer scalable distribution within a compact footprint, enabling organized, multi-feed layouts while minimizing cabinet count. This improves wire routing, reduces cross-connections, and accelerates maintenance checks. Application: multi-point distribution in control panels and switchgear assemblies.Feature → Business Impact → Application: Surface-mount installation simplifies retrofits and new builds by allowing fast attachment to walls or structures without floor supports, reducing site labor and downtime. Application: retrofit projects in existing plants and new installations in equipment rooms where floor space is limited. Feature → Business Impact → Application: Durable galvanized steel with ANSI 61 gray finish provides corrosion resistance and a professional, maintenance-friendly appearance, lowering long-term maintenance costs and repaint cycles. Application: industrial environments subject to dust, humidity, or chemical exposure, such as packaging, metals, and food processing facilities.
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FAQs
The R1123 HDD is designed for surface mounting and requires wall or structural mounting with appropriate clearance for wiring. Plan for space to accommodate 42.75 in width, 22 in height, and 6 in depth, plus room for lug terminations and service access. Use the 5/16 inch load lug holes and ensure lug assemblies meet #4 - 600 MCM line sizes. Verify NEMA 3R exposure and comply with UL Listed installation standards.
Key specs include a 600 A bus rating and a 10 kAIC interrupt rating, with a 3R enclosure protection rating. The unit supports a 4-wire configuration across 6 positions, and is compatible with heavy feeders using line lugs sized from #4 to 600 MCM, plus 5/16 inch load lugs. It is UL Listed and designed for durable service in industrial environments.
Yes. The cabinet is designed with NEMA type 3R protection and UL Listed safety standards, making it suitable for outdoor and damp indoor environments. The ANSI 61 gray finish provides additional corrosion resistance, helping it withstand challenging conditions common in manufacturing floors and exterior electrical rooms.
The R1123 HDD consolidates multiple feeds into a single, robust cabinet, reducing cabinet count and wiring complexity. Its heavy-duty lug options and durable galvanized steel construction lower maintenance cycles and replacement needs. UL Listing and 3R protection simplify compliance and audits, accelerating project timelines and delivering predictable uptime.
The cabinet supports line lugs from #4 to 600 MCM and load lug sizes of 5/16 inch. It accommodates two cables in the 1/0 to 250 MCM range and provides four wire connections across six positions, enabling flexible, high-current distribution with minimal adapters or field modification.