Eaton P3BHFD3125N Circuit Breaker Plug-in Unit - UL 857
Part Number: P3BHFD3125N
Quick Summary
Eaton Pow-R-Way III circuit breaker plug-in unit safeguards busway power distributions in industrial facilities. Engineers often struggle with reliable protection and fast integration in complex busway systems. This unit carries UL 857, CSA Certified, and ANSI/IEEE Certified ratings, ensuring safety and regulatory compliance across North American operations. As part of the Pow-R-Way III family, it enables 125A protection with 100 kAIC at 240/480 VAC and 50% integral grounding, delivering consistent performance and uptime. For procurement teams, the plug-in design supports scalable protection, quicker retrofits, and a proven path to compliant, high-availability power distribution.
Product Information
Extended Description
P3BHFD3125N Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Busway, Three-pole, HFD, Plug, Breaker, F Frame (15-225 A), 125A, 100 kAIC at 240 Vac, 100 kAIC at 480 Vac, 25 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
P3BHFD3125N
UPC
786683007757
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% Integral/Housing
Number Of Poles
Three-pole
Type
Breaker
Amperage Rating
125A
Interrupt rating
100 kAIC at 240 Vac, 100 kAIC at 480 Vac, 25 kAIC at 600 Vac
Neutral Options
100%
Application
Busway
Product Category
Plug
Feature → Business Impact → Application: The Pow-R-Way III circuit breaker plug-in unit uses a three-pole, F-frame design to deliver reliable protection within busway installations, reducing unplanned downtime and enabling rapid swap-ins for maintenance. Application-wise, it fits standard Pow-R-Way III busway systems for manufacturing lines and industrial facilities, helping engineers meet uptime targets with reduced labor time. Feature → Business Impact → Application: A 125A rating with 100 kAIC at 240/480 VAC (and 25 kAIC at 600 VAC) provides robust short-circuit protection for high fault-current environments, improving system availability and safety margins in plants and data centers. Application-wise, this capability is critical for areas with elevated fault currents and sensitive loads. Feature → Business Impact → Application: 100% Neutral and 50% Integral/Housing grounding options simplify grounding schemes, lowering component counts and installation complexity. Application-wise, this supports modular protection schemes in facilities with mixed-organizational grounding requirements. Feature → Business Impact → Application: Compact dimensions (12.36 in depth, 21.2 in height, 5.43 in width) and a 25 lb weight ease mounting in confined enclosures, accelerating on-site installation and retrofit projects. Application-wise, this enables retrofits in existing panels or busway risers without significant scope changes. Feature → Business Impact → Application: Certifications including ANSI/IEEE, UL 857, and CSA Certified deliver regulatory assurance and procurement confidence, helping QA teams pass audits and maintain compliance across multi-site deployments. Application-wise, this supports corporate governance and vendor qualification processes. Warranty, support, and a proven track record with NEMA compliance further reinforce long-term reliability and lifecycle cost savings for industrial operators.
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FAQs
The P3BHFD3125N is designed for Eaton Pow-R-Way III busway installations and uses a three-pole plug-in format. It fits standard F-frame, plug-in protection assemblies and leverages the busway mounting surface for straightforward retrofits. Ensure the busway section has compatible tap and enclosure clearances, and verify grounding options (100% neutral with 50% integral/housing ground) match the system design.
This unit carries a 125A amperage rating with 100 kAIC interrupt rating at 240/480 VAC and 25 kAIC at 600 VAC. Such ratings enable robust fault current interruption in typical industrial buses and facilities with higher fault potential. This level of protection supports reliable operation of motors, drives, and other heavy loads within busway distributions.
Yes. The device is designed for industrial power distribution in busway networks, offering high fault current capability, 100% neutral operation, and easy integration with Pow-R-Way III busways. Its compact footprint and plug-in design support quick replacements in data centers, manufacturing floors, and other environments where uptime and protection are critical.
The unit carries ANSI/IEEE certification, UL 857, and CSA Certification, along with NEMA compliance. These certifications ensure electrical safety, performance reliability, and regulatory alignment in North American installations, simplifying procurement audits and cross-site compliance for global operations.
The product is covered by Eaton's 25-000 policy, offering one year from installation or eighteen months from shipment, whichever occurs first. For maintenance, rely on standard spare parts and routine checks of grounding connections and neutral terminations. Regular inspection supports long-term reliability and minimizes downtime during replacements or upgrades.