Eaton Pow-R-Xpress PRL2X Unass...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$284.19
Eaton Pow-R-Xpress PRL2X Unassembled Interior Panelboard, Three-Phase 480Y/277V

Eaton Pow-R-Xpress PRL2X Unassembled Interior Panelboard, Three-Phase 480Y/277V

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Model: PRL2X3100X30A
$284.19

In Stock (leaves warehouse same day if ordered before 3pm ET)

$284.19
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Eaton Pow-R-Xpress PRL2X Unassembled Interior Panelboard, Three-Phase 480Y/277V

The Eaton Pow-R-Xpress PRL2X Interior Panelboard is an unassembled panelboard built for three-phase 480Y/277V commercial and industrial power distribution. Configurations span 100A to 600A with a maximum of 42 poles, in a choice of Aluminum or Copper bus, giving contractors flexibility to size the panelboard to the job. Backed by UL 67 certification and durable bus construction, the PRL2X delivers dependable, code-compliant performance in a compact, space-efficient profile.

Key Features

  • Flexible Amperage Range: Available in 100A, 225A, 400A, and 600A configurations to match branch circuit demand.
  • Branch Circuit Capacity: Configurations up to 42 poles accommodate extensive branch circuit requirements for complex electrical systems.
  • Bus Material Options: Choice of Aluminum Bus or Copper Bus for dependable conductivity and long-term reliability.
  • Three-Phase 480Y/277V Configuration: Optimized for commercial three-phase voltage systems and motor operation.
  • Durable Bus Construction: Ensures dependable conductivity, corrosion resistance, and long-term reliability in demanding environments.
  • Compact Design: Space-efficient profile maximizes installation flexibility while maintaining full electrical capacity.
  • Unassembled Configuration: Allows customized circuit breaker selection and field assembly to match specific application requirements.
  • UL 67 Listed: Meets rigorous safety standards for panelboards, ensuring code compliance and professional installation confidence.

Certifications & Compliance

  • UL 67 Listed

Technical Specifications

  • Series: Eaton Pow-R-Xpress
  • Product Details: PRL2X Interior Panelboard
  • Voltage Configuration: Three-Phase 480Y/277V
  • Amperage Range: 100A - 600A
  • Maximum Poles: Up to 42
  • Bus Material: Aluminum or Copper
  • Certifications: UL 67

Typical Applications

  • Commercial Office Buildings
  • Industrial Manufacturing Facilities
  • Retail and Shopping Centers
  • Healthcare and Medical Facilities
  • Educational Institutions
  • Data Centers and Technology Facilities

Why Eaton?

Eaton Pow-R-Xpress panelboards combine decades of electrical expertise with rigorous UL 67 certification standards. Precision engineering and durable bus construction in Aluminum or Copper ensure dependable performance in demanding three-phase 480Y/277V commercial environments, while the unassembled format gives installers the flexibility to configure circuit breakers to match diverse project requirements.

Manufacturer Resources

Product Specs

Product Type:
Panelboard Interior
Series:
Pow-R-Xpress
Voltage Rating:
480Y/277V
Configuration:
Three-Phase
Amperage Rating:
100A-600A
Listing:
UL Listed
Department:
Electrical
Product Group:
Power Distribution
Product Subgroup:
Panelboards & Load Centers
Certifications:
UL 67

Eaton PRL2X3100X30A – Frequently Asked Questions

1) Will the Eaton PRL2X panelboard work on a 208Y/120V system?
No. The Pow-R-Xpress PRL2X interior is built for 480Y/277V three-phase distribution only. If the service is 208Y/120V, this is the wrong interior and you need Eaton's 208V panelboard line instead. Getting this wrong is not a field-correctable mistake, so match the interior to the system voltage on the one-line before ordering.
2) What does "unassembled interior" mean on the Eaton PRL2X panelboard, and what else do I need to order?
An unassembled interior is the bus, mounting straps and chassis only. It is not a complete panel: you add the branch breakers and the enclosure box and front separately, then assemble in the field. That is the point of the format, since you pick the breaker mix per circuit rather than take a factory-fixed arrangement. Budget the box, front and every branch device as separate line items on the order.
3) How many circuits can an Eaton PRL2X interior carry?
Pole counts run 18, 30 and 42 depending on how the interior is configured. At 100A you can take 18, 30 or 42 poles; at 225A, 400A and 600A the interiors are 42-pole. If you need more than 42 poles on one feed, you are into two panels, not one PRL2X interior.
4) Should I spec aluminum bus or copper bus in the PRL2X panelboard?
Both are offered across the whole PRL2X range, and the choice is usually driven by the spec section rather than by performance. Many institutional and healthcare specifications call out copper bus explicitly; where the drawings are silent, aluminum is the common commercial choice. Every amperage here has both, except the 600A interiors, which are copper bus. Order codes end in A for aluminum and C for copper, so PRL2X3225X42A is the 225A 42-pole aluminum interior and PRL2X3225X42C the copper.
5) What amperage PRL2X interior do I need for my feeder?
The interior is sized to the feeder, and the PRL2X comes in 100A, 225A, 400A and 600A mains ratings. Pick the rating at or above the calculated feeder load, not the sum of branch breaker handles, and confirm the upstream overcurrent device does not exceed the interior rating. Note the smaller pole counts only exist at 100A, so a 42-pole lighting panel at 277V lands on a 225A or larger interior.
6) Is the Eaton PRL2X panelboard UL listed for a commercial job?
The PRL2X is UL 67 listed, which is the panelboard standard inspectors look for on a commercial or institutional install. That covers the panelboard itself; branch breakers and the enclosure carry their own listings, so keep the assembly to listed Eaton components for the panel to remain compliant as built.
7) Can I use a PRL2X interior to feed 277V lighting and 480V three-phase equipment from the same panel?
Yes, that is what a 480Y/277V wye interior is for. Line-to-neutral gives you 277V for the lighting branch circuits and line-to-line gives 480V three-phase for motors and mechanical equipment off the same bus. You need the neutral for the 277V loads, so make sure the enclosure and box you pair it with includes a neutral assembly.
8) I'm standardizing panels across a facility. Can I use the PRL2X across every panel in the building?
Only for the 480Y/277V distribution. The PRL2X interior covers that side from 100A through 600A and up to 42 poles, so lighting panels and mechanical panels on the 480V system can all be the same series with the same breaker family and the same spares. Downstream 208Y/120V receptacle panels fed from step-down transformers are a different voltage class and take a different interior.
9) What is the exact Eaton part number for a 400A 42-pole PRL2X with copper bus?
PRL2X3400X42C is the 400A, 42-pole copper bus interior. The number reads straight through: PRL2X, 3 for three-phase, the amperage, X, the pole count, then A or C for aluminum or copper. So PRL2X3100X18A is 100A 18-pole aluminum and PRL2X3600X42C is the 600A 42-pole copper interior.
10) Can I drop a PRL2X interior into an existing panel box during a retrofit?
Treat that as a measured decision, not an assumption. The interior mounts to the box it was designed for, so a retrofit only works when the existing box, gutter space and mounting pattern match. On a renovation the usual path is replacing box, front and interior together, which also lets you go from an 18 or 30 pole layout up to 42 poles if the circuit count has grown. Verify the existing enclosure against the interior you are ordering before you cut anything loose.
How fast can I get the Eaton PRL2X3100X30A delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Eaton PRL2X3100X30A come with a warranty?
Absolutely. The Eaton PRL2X3100X30A is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Eaton PRL2X3100X30A?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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