Eaton P3BFD3125N Plug-in Circuit Breaker - UL 857
Part Number: P3BFD3125N
Quick Summary
Eaton Pow-R-Way III circuit breaker plug-in unit protects busway-fed electrical systems in industrial facilities. The goal is reliable protection with minimal installation complexity across modular busway configurations. This solution carries ANSI CSA Certified, UL 857, and IEEE certifications, ensuring compliance and performance in harsh environments. By integrating 100% Neutral and 50% Integral or Housing Ground options, the unit supports robust grounding practices while reducing wiring and maintenance overhead. For engineers and procurement teams, the Eaton P3BFD3125N delivers a clear value proposition: faster deployment, safer operation, and scalable protection for power distribution and automation workloads.
Product Information
Extended Description
P3BFD3125N Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Busway, Three-pole, FD, Plug, Breaker, F Frame (15-225 A), 125A, 65 kAIC at 240 Vac, 25 kAIC at 480 Vac, 18 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
P3BFD3125N
UPC
786683006996
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 CSA Certified UL 857 IEEE Certified
Circuit Breaker Frame
F
Design
Pow-R-Way III
Grounding Options
50% Integral/Housing
Number Of Poles
Three-pole
Type
Breaker
Amperage Rating
125A
Interrupt rating
65 kAIC at 240 Vac, 25 kAIC at 480 Vac, 18 kAIC at 600 Vac
Neutral Options
100%
Application
Busway
Product Category
Plug
Feature: Three-pole F-frame plug-in unit designed for Pow-R-Way III busway systems → Business Impact: Streamlined installation and module-level protection reduce field wiring and commissioning time, lowering project costs. Application: Industrial facilities with modular busway layouts benefit from plug-in convenience and consistent performance. Long-tail keywords: Pow-R-Way III busway protection, three-pole plug-in unit, busway circuit breaker. Feature: 125 A amperage rating with high interrupt capability → Business Impact: Maintains system reliability under fault conditions, improving safety margins and reducing downstream equipment risk. Application: Manufacturing lines and data centers requiring dependable fault interruption. Long-tail keywords: 125A breaker, high interrupt rating, factory protection. Feature: 65 kAIC at 240 Vac, 25 kAIC at 480 Vac, 18 kAIC at 600 Vac → Business Impact: Wide fault-current tolerance supports diverse supply sources and future-proofing, minimizing retrofits. Application: Large electrical installations with variable voltages. Long-tail keywords: fault current ratings, 240V protection, multi-voltage protection. Feature: Neutral options at 100% neutral and 50% integral/housing grounding → Business Impact: Ensures safe, compliant grounding schemes with easier grounding implementation. Application: Busway feeders requiring precise neutral grounding. Long-tail keywords: 100% neutral, integral grounding, housing grounding. Feature: NEMA compliant and multiple certifications (ANSI CSA UL 857 IEEE) → Business Impact: Reduces compliance risk and speeds approval cycles for industrial projects. Application: Global facilities with strict regulatory requirements. Long-tail keywords: NEMA compliant, ANSI CSA UL 857 IEEE certified, regulatory compliance. Feature: 12.36 in length, 21.2 in height, 5.43 in width, 25 lb weight → Business Impact: Compact footprint eases panel and busway integration while preserving space in dense installations. Application: Factory automation and data centers with space constraints. Long-tail keywords: compact plug-in unit, space-efficient breaker, panel layout compatibility. Feature: 1-year warranty from installation or 18 months from shipment → Business Impact: Assurance of support and lower long-term ownership costs. Application: End-user maintenance planning and procurement budgeting. Long-tail keywords: warranty terms, Eaton warranty policy, lifecycle support.
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FAQs
The P3BFD3125N is designed as a plug-in unit for Pow-R-Way III busways, featuring a three-pole configuration for straightforward mounting. Ensure correct alignment with the busway connectors, follow the NEMA guidelines, and secure with the appropriate mounting hardware. The compact footprint (12.36 in L x 21.2 in H x 5.43 in W) aids rapid integration and minimizes wiring complexity on site.
This unit provides a 125A amperage rating with interrupt ratings of 65 kAIC at 240 Vac, 25 kAIC at 480 Vac, and 18 kAIC at 600 Vac. It supports 100% Neutral and 50% integral/housing grounding, making it suitable for diverse industrial load profiles and grounding schemes while maintaining strong fault protection.
Yes. Its three-pole plug-in design, high interrupt ratings, and grounding flexibility make it ideal for data centers, manufacturing lines, and other automation-intensive environments. The unit is compliant with NEMA, UL 857, ANSI, CSA, and IEEE standards, helping meet stringent industry requirements while enabling scalable power distribution.
The P3BFD3125N carries ANSI CSA certification and UL 857, along with IEEE certification. It is designed to be NEMA compliant, ensuring broad compatibility with commercial and industrial electrical installations and supporting regulatory approvals across regions.
Maintenance needs are minimized by its solid-state protection in a plug-in format, reducing field wiring and downtime during replacements. The 1-year warranty (or 18 months from shipment) provides early-life support, while the modular plug-in design lowers lifecycle costs by simplifying future upgrades and reducing costly panel rework.