Eaton P3BFWF3040GN Circuit Breaker Plug-in Unit - UL 857, 40 kAIC
Part Number: P3BFWF3040GN
Quick Summary
The Eaton Pow-R-Way III circuit breaker plug-in unit provides reliable overcurrent protection for busway installations. For engineers and procurement teams, downtime and mismatched protection ratings can derail projects; this unit simplifies selection with a clear 40A rating and 40 kAIC interrupt at 220–240V. It carries ANSI/IEEE certification, UL 857, CSA certifications, and NEMA compliance, giving you confidence in safety and regulatory alignment. The plug-in design supports quick replacements and streamlined commissioning, reducing maintenance windows and field labor. With three poles and a compact footprint, it fits modular busway runs while delivering robust protection and predictable performance across industrial environments. This makes it a practical, future-ready choice for evolving facilities.
Product Information
Extended Description
P3BFWF3040GN Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Busway, Three-pole, FWF, Plug, Breaker, F Frame (15-225 A), 40A, 40 kAIC at 220-240 Vac, 100% Neutral, 50% Internal Ground
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BFWF3040GN
UPC
782116629022
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
ANSI IEEE Certified UL 857 CSA Certified
Circuit Breaker Frame
F
Design
Pow-R-Way III
Grounding Options
50% Internal
Number Of Poles
Three-pole
Type
Breaker
Amperage Rating
40A
Interrupt rating
40 kAIC at 220-240 Vac
Neutral Options
100%
Application
Busway
Product Category
Plug
Feature: Plug-in three-pole design for Eaton Pow-R-Way III busway systems. Benefit: Simplified maintenance and quick field replacement reduce downtime and service costs in busy facilities. Application: Ideal for modular busway distributions in manufacturing, data centers, and process plants. Feature: 40A amperage rating with 40 kAIC interrupt rating at 220–240Vac. Benefit: Higher fault current handling improves protection margin and system reliability, enabling you to meet short-circuit requirements without oversizing upstream equipment. Application: Industrial power distribution where fault current levels are variable and high. Feature: 100% Neutral and 50% Internal Ground. Benefit: Safer fault paths and consistent grounding simplify coordination with downstream devices and improve safety margins during faults. Application: Critical automation and control panels requiring robust grounding practices. Feature: Physical footprint and weight (12.36 in depth, 21.2 in height, 5.43 in width, 25 lb). Benefit: Predictable fit within tight busway enclosures and easier shipping, handling, and installation planning. Application: Retrofit projects and new builds with compact space constraints. Feature: Compliance and certifications (NEMA, ANSI/IEEE, UL 857, CSA). Benefit: Regulatory confidence accelerates procurement and reduces audit risk. Application: Environments demanding formal safety standards compliance. Feature: Warranty and support (Eaton policy 25-000; 1 year from installation, 18 months from shipment). Benefit: Clear ownership and uptime planning, minimizing maintenance surprises. Application: Enterprise-scale installations with long-term service expectations.
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FAQs
Install the unit as a compatible three-pole plug-in in an Eaton Pow-R-Way III busway segment, ensuring the catalog number matches your system rating. Connect the 100% Neutral and 50% Internal Ground per Eaton installation guidelines, then secure with proper torque and verify the plug-in alignment. Perform a functional test after connection to confirm reliable operation.
The unit is rated for 40A with a 40 kAIC interrupt rating at 220–240Vac. It is a three-pole, F-frame breaker with 100% Neutral and 50% Internal Ground. These ratings provide robust overcurrent protection for busway distributions while meeting NEMA, UL 857, and ANSI/IEEE standards for industrial power systems.
Yes. The P3BFWF3040GN is designed for modular busway distributions common in data centers and manufacturing facilities. Its three-pole plug-in design, 40A rating, and high interrupt rating support reliable protection across critical distribution paths, while its compact footprint helps fit dense rack and busway layouts without compromising performance.
This unit carries ANSI/IEEE certification, UL 857, CSA certification, and is NEMA compliant. These marks indicate compliance with widely recognized safety and performance standards, helping streamline procurement, project approvals, and regulatory audits.
The plug-in design facilitates rapid replacement, reducing maintenance time and labor costs. It is backed by Eaton’s warranty policy (one year from installation or eighteen months from shipment). Plan routine checks for tight connections and proper grounding to minimize fault events and maximize uptime, delivering a favorable total cost of ownership.