Eaton PRL1X3400B42A Panelboard - UL 67, 400A
Part Number: PRL1X3400B42A
Quick Summary
Eaton Pow-R-Xpress PRL1X panelboard distributes power safely in industrial control panels. Many projects struggle with space constraints and retrofit complexity, making substitutions slow and costly. It carries UL 67 certification for panelboard safety and supports regional compliance considerations including CE-marking and enclosure options where required. By leveraging this interior panelboard, engineers gain faster installation and reduced total cost of ownership through a standardized Pow-R-Xpress approach. The design also aligns with common industrial distribution standards, delivering reliability and ease of service for ongoing operations.
Product Information
Extended Description
PRL1X3400B42A Eaton: EATON PRL1X INTERIOR 120/208 3P 4W 400A MCB & SFB 42 CKT AL,
Product Name
Eaton Pow-R-Xpress PRL1X panelboard
Catalog Number
PRL1X3400B42A
UPC
786689770792
Product Length/Depth
72 in
Product Height
4.25 in
Product Width
8 in
Product Weight
51 lb
Certifications
UL 67
Bus material
Aluminum
Type
PRL1X INTERIOR
Amperage Rating
400A
Eaton's Pow-R-Xpress stocking program
Eaton's Pow-R-Xpress stocking program
Eaton's Pow-R-Xpress stocking program
Pow-R-Line Xpert family overview
Eaton Specification Sheet - PRL1X3400B42A
The PRL1X3400B42A provides a 400A amperage rating with 72 inches of depth, 8 inches of width, and a compact footprint to maximize space in crowded electrical rooms. This enables high-capacity distribution for 120/208V three-phase four-wire systems with aluminum bus material, improving current carrying capability while reducing thermal stress and voltage drop. With 42 circuit capacity, installers can consolidate feeders, streamline wiring, and lower enclosure footprint—translating to faster wiring, fewer connection errors, and easier future expansion. The interior PRL1X type supports modular expansion and straightforward maintenance, minimizing downtime during upgrades. UL 67 certification reinforces compliance and safety, easing audits and regulatory reviews. At 51 pounds, the unit remains manageable on-site, reducing labor costs during installation and replacement. The Pow-R-Xpress compatibility simplifies stocking and sourcing, offering a predictable procurement flow for industrial and commercial projects.
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FAQs
Yes. PRL1X3400B42A is designed as an interior 3P 4W panelboard rated for 120/208 V, with a 400 A capacity and a 42-circuit layout. Its aluminum bus and UL 67 certification support safe integration into standard industrial control panels and compatibility with common field wiring and MCCB configurations.
Key specs include 400 A amperage rating, 42-circuit capacity, interior PRL1X type, 72 in depth, 8 in width, 4.25 in height, aluminum bus material, weight around 51 lb, and UL 67 certification. The catalog number is PRL1X3400B42A and the system voltage is 120/208 V.
Ideal for industrial control panels and commercial power distribution where space is at a premium and high circuit density is required. Its durable aluminum bus and 72 in depth support large installations, while the 42-circuit capacity enables consolidated wiring for complex automation and motor control schemes.
The unit carries UL 67 certification for panelboard safety. Regional compliance considerations may include CE-marking and compatible enclosure options, depending on market requirements and installation location.
The Pow-R-Xpress design and standardized 42-circuit interior streamline stocking and sourcing, reducing lead times and spare parts inventory. Installation is faster due to a modular interior design, and future expansions are simplified, delivering lower total cost of ownership over the panelboard’s lifecycle.