Eaton P3BFD3125NSP Pow-R-Way III Circuit Breaker - 65 kAIC
Part Number: P3BFD3125NSP
Quick Summary
Pow-R-Way III circuit breaker plug-in unit is Eaton’s modular protection for three-pole busway systems in industrial environments. Engineers often battle downtime, sprinkler-area compliance, and limited panel space when upgrading distribution, but this plug-in unit reduces risk with a sprinkler-proof design, 100% neutral, and a 50% integral grounding option. It carries ANSI/IEEE Certified, CSA Certified, and UL 857 certifications, reinforcing reliability and safety across demanding installations. Designed for busway protection and plug-in simplicity, it supports quick retrofits and predictable lifecycle costs, helping facilities meet uptime targets while maintaining regulatory compliance and reducing total cost of ownership.
Product Information
Extended Description
P3BFD3125NSP Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit,Sprinkler-proof plug,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/Housing Ground
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BFD3125NSP
UPC
786685180113
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 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
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
Special features
Sprinkler-proof plug-in
Feature → Business Impact → Application: Three-pole F-frame, 125A amperage rating provides balanced protection for typical Pow-R-Way III busway feeders, enabling reliable distribution with minimized arcing risks in high-load environments. This translates to reduced unplanned downtime and smoother commissioning in new builds or expansions. Application: Industrial plants with centralized motor control and tight space constraints. Feature → Business Impact → Application: Sprinkler-proof plug-in design reduces water ingress risk during sprinkler system activations, improving safety margins and simplifying installation in facilities with wet environments. Application: Hospitals, data centers, and critical manufacturing lines that require robust protection and fast changeouts. Feature → Business Impact → Application: 100% Neutral and 50% Integral/Housing Grounding options simplify grounding strategy and enhance fault-clearing clarity, supporting compliant protective schemes. Application: Documentation-heavy projects and maintenance teams aiming for consistent grounding practices. Feature → Business Impact → Application: 65 kAIC at 240 Vac, 25 kAIC at 480 Vac, and 18 kAIC at 600 Vac interrupt ratings provide high fault-current withstand capability, improving overall subpanel protection and reducing damage to downstream equipment. Application: Facilities with varying supply voltages and high short-circuit potential. Feature → Business Impact → Application: Sprinkler-proof plug-in unit with busway compatibility offers quick installation and retrofit capability, minimizing downtime during upgrades. Application: Retrofit projects within existing Pow-R-Way III busways. Feature → Business Impact → Application: Compact dimensions (12.36 in L × 21.2 in H × 5.43 in W) and 25 lb weight enable easier handling and deployment in tight electrical rooms. Application: Space-constrained facilities and modular installations across manufacturing floors.
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FAQs
The P3BFD3125NSP is a three-pole plug-in unit designed for Pow-R-Way III busways. Verify frame compatibility (F-frame), confirm 125A rating and the sprinkler-proof plug-in features, and ensure neutral is wired to 100% neutral with the appropriate grounding option (50% integral/housing). Plan space to accommodate the unit’s dimensions (12.36 in L, 21.2 in H, 5.43 in W) and weight (25 lb). Use proper torque and secure mounting hardware to ensure reliable fault clearing and safe operation in spray-protected environments.
The P3BFD3125NSP 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. These ratings support high fault-current conditions typical in industrial facilities and protect downstream equipment while maintaining fast isolation in abnormal conditions.
Yes. The unit is NEMA compliant and carries ANSI/IEEE certification, CSA certification, and UL 857. This combination ensures safety, reliability, and regulatory alignment for commercial and industrial installations, reducing procurement risk and facilitating project approvals.
Ideal for busway distribution in factory automation, centralized motor control, and sprinkler-protected facilities. Its sprinkler-proof plug-in design, 100% neutral, and grounding options support reliable protection in wet environments and where quick plug-in replacements are required during maintenance or upgrades.
With a one-year Eaton selling policy (or 18 months from shipment, whichever comes first), routine inspection of connections, neutral terminations, and grounding integrity is advised. The plug-in design enables faster replacement and minimized downtime, contributing to reduced maintenance labor costs and improved uptime in critical environments.