Eaton PRL4X3190B18C2 Panelboard - UL 67
Part Number: PRL4X3190B18C2
Quick Summary
Pow-R-Xpress PRL4X panelboard provides scalable power distribution for commercial electrical rooms. Engineers often struggle with bulky interiors, slow field upgrades, and limited fault isolation. This unit carries UL 67 certification, UL-listed interior assembly, and adheres to industry safety standards for panel assemblies. Its copper bus, top-feed design, and 1200A rating enable compact installation, easier maintenance, and modular expansion. By aligning with standard Eaton quick-selector resources, it shortens deployment times and reduces lifecycle costs, helping maintenance teams minimize downtime. The product supports 480/277V three-phase four-wire systems and offers a reliable foundation for future-proof electrical infrastructure, while still integrating with existing switchgear and subpanels. This panelboard adds value across commercial, light industrial, and data-center support environments.
Product Information
Extended Description
PRL4X3190B18C2 Eaton: EATON POW-R-XPRESS PRL4X INTERIOR ASSY; 480/277V 3P 4W 1200A CUAG BUS MCB PD5 PXR20 ALSI 18CKT SUBCHS
Product Name
Eaton Pow-R-Xpress PRL4X panelboard
Catalog Number
PRL4X3190B18C2
UPC
786689814441
Product Length/Depth
68.75 in
Product Height
8 in
Product Width
22 in
Product Weight
350 lb
Certifications
UL 67
Bus material
Copper
Feed type
Top
Material
COPPER
Phase
Three-phase
Type
PRL4X INTERIOR
Amperage Rating
1200A
Pow-R-Xpress quick selector reference guide
Pow-R-Xpress quick selector reference guide
Pow-R-Xpress quick selector reference guide
Pow-R-Line Xpert family overview
Feature: 1200A amperage rating with copper bus enables high-load distribution and reduced voltage drop, supporting large commercial and light industrial workloads. Impact: Improves reliability and efficiency, minimizing overheating risk and maintenance intervals. Application: Ideal for main distribution or subfeed points in office complexes or manufacturing floors. Feature: Top-feed design and 480/277V 3P 4W capability streamline installation and maximize closet or room footprint efficiency. Impact: Frees valuable space and simplifies wiring routes, reducing installation time and labor costs. Application: Suitable for new builds and retrofit projects in data centers and retail spaces. Feature: PRL4X interior with ALSI 18CKT SUBCHS and PD5 PXR20 compatible MCBs provides modular expansion and customized circuit partitioning. Impact: Enables scalable capacity growth without full panel replacement. Application: Useful where future load growth is anticipated, such as tenant spaces or growing manufacturing lines. Feature: Copper bus material and UL 67 certification deliver robust safety and long-term durability. Impact: Lowers maintenance risk and improves compliance with electrical safety programs. Application: Essential in regulated environments like healthcare facilities or critical-use industrial settings. Feature: Large exterior footprint and precise dimensions (68.75 in L × 22 in W × 8 in H) with a 350 lb weight support stable installations and predictable enclosure planning. Impact: Simplifies space planning, reduces field-fit surprises, and aids in rack or cabinet integrations. Application: Applicable to retrofit projects and new panelhouse installations in mechanical rooms and electrical closets. Insight: Eaton’s Pow-R-Xpress quick-selector resources streamline part selection and configuration, helping engineers accelerate project timelines and reduce total cost of ownership. This context matters when coordinating with procurement and field engineers for rapid equipment deployment.
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FAQs
The PRL4X3190B18C2 panelboard supports 480/277V, three-phase, four-wire systems with a 1200A rating and copper bus. It uses a top-feed configuration and is designed for commercial electrical rooms requiring scalable distribution with modular interior options (18-circuit sub-chassis). This makes it suitable for new builds, expansions, and retrofit projects where space and service continuity are critical.
The unit carries UL 67 certification, confirming safety and performance compliance for panelboard interior assemblies. This designation helps ensure regulatory alignment, risk reduction during commissioning, and easier acceptance by electrical inspectors in commercial and industrial facilities.
Yes. With a 1200A rating, 480/277V operation, and modular 18-circuit sub-chassis, the PRL4X panelboard is well-suited for commercial spaces such as office buildings and retail centers as well as light industrial environments where reliable, scalable power distribution and future expansion are required.
The copper bus and robust interior design reduce oxidation risk and simplify fault isolation, contributing to lower maintenance needs. Its modular interior supports future circuit additions without full replacement, minimizing downtime and extending the panel’s service life in evolving facilities.
By leveraging top-feed configuration, modular interior architecture, and Eaton quick-selector resources, the PRL4X reduces field wiring complexity and project lead times. The result is faster commissioning, lower labor costs, and streamlined upgrades or repurposing of electrical rooms over the panel’s lifetime.