Eaton P3BLD3450N Circuit Breaker Plug-in - UL 857
Part Number: P3BLD3450N
Quick Summary
Eaton Pow-R-Way III circuit breaker plug-in unit provides reliable protection for busway power distribution. This unit enables quick installation and simplifies maintenance in crowded electrical cabinets and switchgear halls. In industrial environments, safety and uptime hinge on robust interrupt ratings and certified components; the P3BLD3450N delivers 450A with 65 kAIC at 240V, plus a 600V rating and 100% neutral. Compliant with NEMA, CSA, IEEE, and ANSI standards, it helps meet stringent regulatory requirements. By combining a plug enclosure design with a 3-pole, 4-wire configuration, it reduces field wiring complexity and supports scalable power distribution, boosting overall equipment efficiency and reducing total cost of ownership.
Product Information
Extended Description
P3BLD3450N Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Busway, 3-pole, 4-wire, LD, Plug enclosure, 600V, Breaker, L Fame (125-600 A), 450A, 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, 25 kAIC at 600 Vac, 100% Neutral, 50% Integral or Housing Ground
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BLD3450N
UPC
782116623631
Product Length/Depth
19.65 in
Product Height
41.91 in
Product Width
10.15 in
Product Weight
75 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Compliances
NEMA Compliant
Certifications
CSA Certified IEEE Certified UL 857 ANSI
Circuit Breaker Frame
L
Design
Pow-R-Way III
Grounding Options
50% Integral/Housing
Number Of Poles
Three-pole
Number of wires
Four-wire
Type
Breaker
Amperage Rating
450A
Interrupt rating
65 kAIC at 240 Vac, 35 kAIC at 480 Vac, 25 kAIC at 600 Vac
Neutral Options
100%
Voltage rating
600 V
Application
Busway
Product Category
Plug enclosure
Feature: Three-pole, four-wire design in a plug-in unit. Business Impact: simplifies wiring and ensures balanced distribution across phases, reducing installation time and mistakes. Application: ideal for busway sections where compact footprint and reliable protection are required. Feature: High interrupt ratings—65 kAIC at 240V, 35 kAIC at 480V, 25 kAIC at 600V. Business Impact: enhances system safety during faults and minimizes downstream damage, lowering downtime costs. Application: critical in manufacturing lines and data centers with high fault current potential. Feature: 600V voltage rating with 100% neutral and 50% integral/housing grounding. Business Impact: improves protective coordination and grounding reliability while simplifying panel layouts. Application: suitable for diverse industrial environments where grounding strategies vary. Feature: Clean, busway-friendly enclosure design with plug-in access. Business Impact: reduces service time for replacement and upgrades, improving maintenance efficiency and uptime. Application: scalable power distribution in turnkey electrical rooms. Feature: Compliance with NEMA, UL 857, CSA, IEEE, and ANSI standards. Business Impact: streamlines procurement and inspection processes, reducing compliance risk. Application: preferred choice for regulated facilities in manufacturing, energy, and automation sectors.
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FAQs
Install the P3BLD3450N in an Eaton Pow-R-Way III busway enclosure using the three-pole, four-wire configuration. Ensure space for the 19.65 in depth, 41.91 in height, and 10.15 in width. Confirm grounding options (50% integral/housing) and the 600 V rating. Use a compatible busway section and follow NEMA and ANSI guidelines to minimize arc-flash risk and simplify field wiring.
The unit is rated for 450 A with interrupt ratings of 65 kAIC at 240 V, 35 kAIC at 480 V, and 25 kAIC at 600 V. It features a 600 V voltage rating, 100% neutral, and 50% integral or housing grounding. It is a three-pole, four-wire device designed for busway protection with a plug enclosure and Pow-R-Way III design.
Yes. With a 450 A rating and high interrupt capabilities, this unit provides robust fault protection in high-load facilities. Its NEMA compliance, UL 857 certification, and IEEE/ANSI certifications support reliable operation in demanding industrial settings while enabling scalable power distribution in busway systems.
The product is NEMA compliant and certified to CSA, IEEE, UL 857, and ANSI standards, ensuring safety, performance, and regulatory compliance for industrial power distribution and busway applications.
The plug-in design reduces replacement time and field wiring complexity, lowering downtime during maintenance. With a 1-year warranty (or 18 months from shipment, per Eaton policy) and a manageable 75 lb weight, technicians can swap units quickly, improving uptime and potentially lowering total cost of ownership in continuous operation facilities.