Eaton P3BFDB3040 Breaker - UL 857
Part Number: P3BFDB3040
Quick Summary
Eaton P3BFDB3040 Breaker is a plug‑in circuit breaker for busway systems, protecting power distribution networks. In fast‑paced facilities, space constraints and downtime costs demand quick, reliable protection with easy maintenance. This unit carries UL 857, IEEE Certified, ANSI and CSA Certifications, ensuring safety and interoperability across vendors. As part of Eaton's Pow-R-Way III family, it offers a compact form factor and a three‑pole design that fits tightly into modern busway layouts, reducing installation time. For engineers and procurement teams, the combination of robust electrical ratings with proven certifications translates to lower risk and predictable lifecycle costs in manufacturing lines, data centers, or process facilities.
Product Information
Extended Description
P3BFDB3040 Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Busway, Three-pole, FDB, Plug, Breaker, F Frame (15-225 A), 40A, 18 kAIC at 240 Vac, 14 kAIC at 480 Vac, 14 kAIC at 600 Vac, None, 50% Integral or Housing Ground
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BFDB3040
UPC
786683006019
Product Length/Depth
12.36 in
Product Height
21.2 in
Product Width
5.43 in
Product Weight
25 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
UL 857 IEEE Certified ANSI CSA Certified
Circuit Breaker Frame
F
Design
Pow-R-Way III
Grounding Options
50% Integral/Housing
Number Of Poles
Three-pole
Type
Breaker
Amperage Rating
40A
Interrupt rating
18 kAIC at 240 Vac, 14 kAIC at 480 Vac, 14 kAIC at 600 Vac
Application
Busway
Product Category
Plug
Feature: Three-pole F-frame design. Impact: Balanced protection across all phases reduces miscoordination and nuisance trips. Application: Three-phase busway layouts in manufacturing lines, data centers, and process facilities where compact, reliable protection is essential. Feature: 40A amperage rating with 18 kAIC at 240 Vac and 14 kAIC at 480/600 Vac. Impact: Robust short-circuit protection for mid-sized loads and multi-voltage environments. Application: general purpose feeders in industrial power distribution networks. Feature: 50% Integral/Housing grounding. Impact: Simplified grounding path and reduced wiring complexity on installation. Application: panel boards and busway assemblies where stringent grounding practices are required. Feature: Plug-in unit for Pow-R-Way III busway. Impact: Faster installation and easier field upgrades, cutting commissioning time by hours. Application: retrofits and new installations in factories, warehouses, and critical facilities. Feature: Certifications and compliance. Impact: Demonstrates regulatory compliance and cross‑vendor interoperability. Application: facilities in regulated industries and multinational operations. Feature: Compact dimensions and weight. Impact: Space-efficient fit in crowded cabinets and busway chambers. Application: data centers, production lines, and brownfield upgrades where space is at a premium.
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FAQs
To install, align the plug-in unit with the Pow-R-Way III busway interface, seat and secure it per Eaton’s guidelines, and wire the three poles as shown in the installation diagram. Ensure the grounding path uses the 50% integral/housing grounding option and verify overall busway grounding. This approach minimizes field wiring and supports UL 857 safety requirements.
The P3BFDB3040 provides a 40A amperage rating with an interrupt rating of 18 kAIC at 240 Vac and 14 kAIC at 480 Vac or 600 Vac. It is a three-pole, F-frame breaker designed for reliable protection in mid-range industrial circuits and busway applications, ensuring fast response to short circuits.
Yes. The unit is UL 857 listed and IEEE Certified, with ANSI and CSA certifications, which supports regulatory compliance and cross‑vendor interoperability in diverse facilities. This certification suite helps facilities meet internal and external audits while maintaining consistent protection standards.
Manufacturing floors, data centers, and process facilities with Pow-R-Way III busways benefit the most. The 40A protection, three-pole configuration, and quick plug‑in installation reduce downtime during upgrades or expansions, while compliance certifications ensure regulatory alignment and safer maintenance practices across demanding industrial environments.
The unit carries Eaton’s standard warranty policy: one year from installation or 18 months from shipment, whichever comes first. For service, refer to policy 25-000 for coverage details, including return, replacement, and support through Eaton’s distributor network.