Eaton R1072 HCC Enclosures - UL Listed 400A/10kAIC
Part Number: R1072 HCC
Quick Summary
R1072 HCC is Eaton B-Line series bussed gutter and termination cabinet for 400 A distribution in industrial facilities. Installing these cabinets addresses cable clutter and safety during maintenance by consolidating bus bars and connections in a single, accessible enclosure. UL Listed, NEMA 3R rated, and galvanized steel with ANSI 61 gray paint ensure dependable performance in harsh environments. With a 400 A bus rating and 10 kAIC interrupt rating, the R1072 HCC supports 3Ø/4W feeds, while the integrated lug sizes (#4 - 600 MCM line lugs and 5/16" load lugs) streamline wiring. For engineers and procurement teams, it delivers reliable, scalable power distribution with faster installation and lower total cost.
Product Information
Extended Description
R1072 HCC Eaton: Eaton B-Line series bussed gutter and termination cabinets, 400 A, 3R, 10 kAIC, #4 - 600 MCM, 5/16" mounting holes for load lugs, Galvanized steel, 3Ø/4W, (2) 1/0-250 MCM cables, NEMA type 3R, 3Ø/4W, 72" surface mount
Product Name
Eaton B-Line series bussed gutter and termination cabinets
Catalog Number
R1072 HCC
UPC
782051182552
Product Length/Depth
6 in
Product Height
22 in
Product Width
72 in
Product Weight
171 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
4
Mounting method
Surface mount
Line lug size
#4 - 600 MCM
Load lug size
5/16"
Degree of protection
3R
Feature: 400 A bus rating and 10 kAIC interrupt rating provide robust fault clearance and reliable distribution for 3Ø/4W feeders. Business impact: reduces protective coordination complexity and minimizes downtime during faults. Application: ideal for main feeders in manufacturing plants and industrial facilities. Feature: NEMA 3R weather-rated enclosure with galvanized steel and ANSI 61 gray finish. Business impact: enhanced corrosion resistance and durability in outdoor or damp indoor environments. Application: suitable for exterior equipment rooms and service entrances. Feature: Large footprint with 72 in width, 22 in height, and 6 in depth, surface-mounted. Business impact: facilitates easy integration into standard mechanical layouts and faster installation. Application: common in control rooms and equipment shelters. Feature: Cable terminations support line lug size #4–600 MCM and load lug size 5/16 in, plus capacity for two 1/0–250 MCM cables. Business impact: high-capacity, flexible wiring reduces splices and simplifies upgrades. Application: scalable feeders for evolving load profiles. Feature: 3Ø/4W configuration with UL Listed and NEMA 3R compliance. Business impact: regulatory alignment and safer operation in harsh environments. Application: reliable distribution for commercial/industrial power systems.
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FAQs
To install the R1072 HCC, align the surface-mount holes with the mounting surface, then secure with appropriate fasteners. Connect feeds using the line lug size #4–600 MCM and load lug size 5/16 in, and accommodate up to two 1/0–250 MCM cables. Confirm UL Listed and NEMA 3R compliance before energizing to ensure safe, compliant operation.
Key specifications include a 400 A bus rating and a 10 kAIC interrupt rating, supporting 3Ø/4W loads. The cabinet is constructed from galvanized steel with an ANSI 61 gray finish and a NEMA 3R enclosure protection level, delivering weather resistance. This combination minimizes short-circuit risk and supports reliable fault clearing in industrial plant feeders.
The R1072 HCC is ideal for main feed cabinets and group metering in control rooms, outdoor equipment shelters, and industrial facilities requiring durable bus gutters. Its 72 in width, 22 in height, and 6 in depth fit standard footprints while offering ample space for lugs and cables. Suitable for 400 A distribution and 3Ø/4W configurations.
Certified UL Listed and rated NEMA 3R, the R1072 HCC complies with common electrical codes for low-voltage distribution. The unit uses galvanized steel with an ANSI 61 gray finish, improving corrosion resistance in harsh environments. These certifications support safer operation and easier regulatory acceptance.
The cabinet reduces installation time by consolidating bus gutters and termination points, lowering field splices and wiring complexity. Its durable galvanized steel construction minimizes maintenance needs and downtime, while the 400 A/10 kAIC capabilities support scalable, long-term growth without frequent replacements. This translates to lower lifecycle costs and better uptime.