Eaton R1126 HD Enclosures & Electrical Infrastructure - 10 kAIC
Part Number: R1126 HD
Quick Summary
R1126 HD enclosures provide a robust bussed gutter and termination cabinet solution for electrical distribution in industrial and commercial settings. For engineers and procurement teams, space constraints and installation downtime are persistent pains, and selecting the right enclosure can cut both risk and cost. UL Listed with an ANSI 61 gray finish and NEMA type 3R protection, these cabinets are built to endure demanding environments. Designed for surface-mount installations with a 600 A bus rating and a 10 kAIC interrupt rating, they enable scalable, reliable power distribution while simplifying wiring, maintenance, and compliance documentation. They also support versatile configurations, including 1Ø/3W and 3Ø/4W applications, for broader compatibility across metering and control schemes.
Product Information
Extended Description
R1126 HD Eaton: Eaton B-Line series bussed gutter and termination cabinets, 600 A, 3R, 10 kAIC, #4 - 600 MCM, 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
R1126 HD
UPC
782051571110
Product Length/Depth
6 in
Product Height
22 in
Product Width
85.625 in
Product Weight
187 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
3
Mounting method
Surface mount
Line lug size
#4 - 600 MCM
Load lug size
5/16"
Degree of protection
3R
Galvanized steel construction with ANSI 61 gray paint delivers long-term corrosion resistance and reduced maintenance costs, translating to lower total cost of ownership in harsh manufacturing and outdoor environments. The 600 A bus rating paired with a 10 kAIC interrupt rating provides robust fault protection and reduces the need for mid-project rewiring or gear upgrades, accelerating project timelines and improving uptime for feeder and meter cabinets. Surface-mount installation simplifies retrofits and new builds alike, enabling faster payroll-friendly field work while preserving space in crowded electrical rooms; line lug size of #4 - 600 MCM and load lug size of 5/16" support heavy, high-capacity conductors with secure, code-compliant terminations. Built-in 3R protection and UL Listed certification reinforce safety and regulatory compliance, decreasing escalation costs and speeding approvals. Compatibility with 1Ø/3W and 3Ø/4W configurations provides flexibility for utilities, data centers, and industrial facilities, reducing the need for multiple enclosure families. Real-world installation insight shows reduced field wiring errors due to clearly defined lug and bus arrangements and a standardized, modular approach to metering and distribution.
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FAQs
The R1126 HD is designed for surface-mount installation, offering a straightforward deployment on walls or mounting surfaces. This method reduces footprint, simplifies wiring access, and speeds up commissioning in crowded electrical rooms or outdoor sites where NEMA 3R protection is advantageous.
Key specs include a 600 A bus rating and a 10 kAIC interrupt rating, enabling safe operation under normal load and high fault currents. The enclosure supports 1Ø/3W and 3Ø/4W configurations, aligning with typical feeder and meter panel needs in commercial and industrial installations.
Line lug size is #4 - 600 MCM, while load lug size is 5/16 inch. The model supports 3 wires with 1Ø/3W or 3Ø/4W arrangements, making it suitable for multiple distribution and metering schemes while maintaining secure, code-compliant terminations.
Yes, the enclosure is UL Listed and features NEMA 3R-rated protection, suitable for outdoor or semi-exposed installations where weather resistance and corrosion protection are required. The ANSI 61 gray finish further supports durable outdoor performance with reduced maintenance needs.
Ideal for industrial facilities, commercial buildings, and utility metering panels, the R1126 HD supports metering cabinets, group metering, and distribution panels requiring robust bus barriers, reliable fault protection, and durable finishes in challenging environments.