Eaton PRL3X3490B30C2S Panelboard - UL 67, 400A 3P/4W
Part Number: PRL3X3490B30C2S
Quick Summary
Eaton Pow-R-Xpress PRL3X panelboard is a high-density power distribution solution for interior applications in commercial and light industrial facilities. It streamlines wiring and reduces install time by consolidating a 400A capacity into a compact interior assembly. Engineers often wrestle with cramped spaces, complex wiring, and lengthy commissioning; this panelboard addresses those challenges with a top-feeding design and copper bus that simplify terminations and maintenance. The unit is NEMA compliant and UL 67 listed, reinforcing safety and reliability in demanding environments. By aligning with the Pow-R-Xpress program and standardizing components, you gain faster project turnover and better lifecycle cost control while meeting stringent code requirements.
Product Information
Extended Description
PRL3X3490B30C2S Eaton: EATON POW-R-XPRESS PRL3X INTERIOR ASSY; 480/277V 3P 4W 400A CUAG BUS MCB PD3 30CKT SUBCHS SE
Product Name
Eaton Pow-R-Xpress PRL3X panelboard
Catalog Number
PRL3X3490B30C2S
UPC
786689815547
Product Length/Depth
78 in
Product Height
5.75 in
Product Width
12 in
Product Weight
120 lb
Compliances
NEMA Compliant
Certifications
UL 67
Bus material
Copper
Feed type
Top
Material
COPPER
Phase
Three-phase
Type
PRL3X INTERIOR
Amperage Rating
400A
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
Three-phase, 400A panelboard with copper bus delivers high-density distribution in a compact footprint. This combination reduces cabinet counts and minimizes voltage drop across feeders, improving protection coordination and electrical reliability. In data centers and large-load lighting installations, engineers can run fewer mains feeders while meeting peak demand. Top-feed design simplifies incoming connections and shortens wiring routes. The streamlined termination paths cut installation time and minimize field wiring errors, translating to lower labor costs and faster commissioning. In retrofit projects, the interior assembly format makes new equipment align with existing room layouts without major structural changes. UL 67 listed and NEMA compliant, the PRL3X3490B30C2S gives oversight-ready safety and regulatory qualification. This reduces the risk of non-compliance during audits and expedites approvals for commercial, hospital, and industrial facilities. For teams coordinating with safety and facilities managers, the certifications provide a clear, auditable standard. Footprint and weight are engineered for serviceability and logistics: 78 in long, 12 in wide, 5.75 in high, and about 120 lb. The interior module accommodates 30+ circuit accommodations with MCB PD3, 30CKT SUBCHS SE, and supports orderly cable management. A copper bus design improves conductivity and reliability under continuous operation. Compatibility with the Pow-R-Xpress program and quick selector resources accelerates spec-to-install transitions. Engineers can leverage the reference guides to align part selections across sites, ensuring consistency and reducing SKU proliferation. This ecosystem supports faster procurement, standardized installation practices, and easier maintenance over the system lifecycle.
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FAQs
Plan for a 78 inch long interior panel space with standard access to the top feed. Ensure room for 12 inch width and 5.75 inch height, plus clearance for 120 pound weight and future expansion up to 30+ circuits. Use copper bus terminations for lower resistance, and reference the Pow-R-Xpress quick selector guides to streamline part selection and wiring topology.
Yes. The panelboard is rated for 480/277V, three-phase four-wire distribution, with a 400A amperage rating and copper bus. Its interior assembly is designed to accommodate these system parameters while maintaining NEMA compliance and UL 67 listing for safety and reliability in commercial and light-industrial environments.
The PRL3X3490B30C2S is UL 67 listed and NEMA compliant. UL 67 verifies suitability for panelboard service in general distribution applications, while NEMA compliance aligns with standard electrical enclosure performance and protection ratings. Together, these certifications reduce audit risk, support code compliance, and simplify project approvals for facilities managers.
Top-feed connections simplify incoming supply routing and reduce routing complexity inside the panel. This design minimizes sharp bends and crowded ducts, lowering the chance of wiring errors and facilitating faster commissioning. For retrofit and new-build projects, top-feed layouts translate to cleaner terminations and easier future maintenance, improving overall reliability and reducing labor hours during installation.
Eaton provides Pow-R-Xpress quick selector reference guides and program brochures to standardize part selection across sites. Use the quick selector references to map circuits, confirm compatibility with 480/277V systems, and align with the Pow-R-Xpress interior panel assemblies. These resources support faster procurement, consistent installation practices, and easier lifecycle maintenance.