Eaton P3BFD3040 Pow-R-Way III CB Plug-In - UL 857
Part Number: P3BFD3040
Quick Summary
Eaton P3BFD3040 Pow-R-Way III circuit breaker plug-in unit protects busway systems in industrial power distribution. Manufacturers face integration and regulatory hurdles in crowded electrical rooms—this plug-in design simplifies installation and reduces field wiring. It carries critical certifications including NEMA compliance, ANSI/IEEE, CSA, and UL 857 to support compliant installations. For procurement, the 40A rating and three-pole design align with busway applications, delivering safer, more reliable protection while enabling scalable expansion. Users benefit from predictable lead times, straightforward sourcing, and a warranty aligned with Eaton's policy. Industry professionals appreciate the unit's grounding options and compatibility with 50% integral/ housing grounding for field versatility.
Product Information
Extended Description
P3BFD3040 Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Busway, Three-pole, FD, Plug, Breaker, F Frame (15-225 A), 40A, 65 kAIC at 240 Vac, 25 kAIC at 480 Vac, 18 kAIC at 600 Vac, None, 50% Integral or Housing Ground
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BFD3040
UPC
786683006613
Product Length/Depth
12.36 in
Product Height
15 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 CSA Certified UL 857
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
65 kAIC at 240 Vac, 25 kAIC at 480 Vac, 18 kAIC at 600 Vac
Application
Busway
Product Category
Plug
The Busway Solution
Eaton Specification Sheet - P3BFD3040
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The P3BFD3040 employs a three-pole, F-frame breaker with a 40A rating, delivering precise overcurrent protection for busway feeders. This sizing enables clean coordination with upstream and downstream devices, reducing nuisance trips during motor starts. It is particularly suited to Pow-R-Way III busway installations in industrial facilities, data centers, and process plants where modular reliability matters. Feature: High interrupt rating; Business Impact: 65 kAIC at 240 VAC, 25 kAIC at 480 VAC, and 18 kAIC at 600 VAC provide robust fault current handling and enhanced safety margins. This minimizes damage to feeders and downstream equipment, improving overall uptime. Application: critical lines in manufacturing cells, packaging lines, and continuous processes where fast, dependable interruption is essential. Feature: Grounding options of 50% integral or housing; Business Impact: simplifies grounding strategy, reduces field wiring, and lowers installation time and potential error sources. Application: busway runs that require flexible grounding to meet evolving system designs and safety requirements. Feature: Plug-in unit design for busway; Business Impact: enables rapid replacement, easy upgrades, and scalable protection with minimal downtime. This modular approach supports proactive maintenance programs and reduces project lead times. Application: retrofit projects and new installations where quick plug-in protection is a priority. Feature: Compliance and certifications; Business Impact: NEMA compliance, ANSI/IEEE certifications, CSA recognition, and UL 857 alignment help streamline procurement, testing, and regulatory audits. Application: facilities in aerospace, automotive, and general industry that require proven standards and traceability. Feature: Physical dimensions and weight; Business Impact: 12.36 in L × 5.43 in W × 15 in H and 25 lb weight enable straightforward enclosure and rack-space planning, with predictable shipment payloads. Application: installation in space-constrained electrical rooms and modular switchgear housings.
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FAQs
The P3BFD3040 is designed as a three-pole plug-in unit for Pow-R-Way III busways. It uses an F-frame, 40A circuit breaker that fits standard busway receptacles, enabling straightforward integration with existing Eaton modules. This compatibility minimizes engineering changes, simplifies spare parts strategy, and supports scalable protection for retrofit projects and new builds.
It provides a 40A amperage rating with interrupt ratings of 65 kAIC at 240 VAC, 25 kAIC at 480 VAC, and 18 kAIC at 600 VAC. Grounding options include 50 percent integral or housing grounding, and it is NEMA compliant with UL 857 certification, giving confidence in performance under fault conditions.
This unit suits industrial power distribution in manufacturing, packaging, and process environments where busway systems are used. The three-pole configuration and 40A protection support motor starts and feeders, while the plug-in design enables rapid upgrades and modular scalability for expanding lines.
The product carries ANSI and IEEE certifications, CSA recognition, and UL 857, along with NEMA compliance. These certifications help with regulatory approvals, safety audits, and supplier qualification, reducing procurement risk and ensuring consistent performance across global facilities.
Eaton offers a one-year warranty from installation or eighteen months from shipment, whichever comes first. This coverage helps mitigate early-life failures and supports service planning, ensuring long-term reliability for mission-critical busway protection. Additional support resources and spare parts availability aid in maintenance scheduling and total cost of ownership planning.