Eaton P3BHFD3125G Circuit Breaker Plug-In Unit - IEEE/UL/CSA
Part Number: P3BHFD3125G
Quick Summary
Eaton Pow-R-Way III circuit breaker plug-in unit protects busway systems in industrial power distribution. Engineers often face compatibility gaps and downtime when selecting breakers for busway assemblies. This unit is NEMA compliant and carries IEEE, UL 857, CSA and ANSI certifications to support safe installation in regulated facilities. With a 125 A rating and 100 kAIC capability, it delivers scalable protection, while the compact footprint and internal grounding support efficient layouts. Designed specifically for three-pole busway configurations, it helps deliver reliable protection, fast replacement, and streamlined maintenance across evolving power distribution needs.
Product Information
Extended Description
P3BHFD3125G 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, None, 50% Internal Ground
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BHFD3125G
UPC
786683007740
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
IEEE Certified UL 857 CSA Certified ANSI
Circuit Breaker Frame
F
Design
Pow-R-Way III
Grounding Options
50% Internal
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
Application
Busway
Product Category
Plug
Three-pole, F-frame design provides standardized protection across Eaton Pow-R-Way III setups, enabling seamless substitution and maintenance. Business impact: reduces downtime during breaker swaps and minimizes training requirements for maintenance staff. Application: ideal for three-pole protection in factory busway installations where space is at a premium and consistent frame compatibility is critical. 100 kAIC interrupt rating at 240 VAC and 480 VAC, and 25 kAIC at 600 VAC, delivers superior short-circuit protection for demanding industrial feeders. Business impact: enhances system resilience and improves safety margins in high-load environments. Application: suitable for main feeders and branch circuits in high-power manufacturing, with clear protection against nuisance faults while meeting code expectations. The 125 A amperage rating supports common downstream loads without oversizing, optimizing energy use and component life. Business impact: helps lower total cost of ownership through better coordination with downstream devices. Application: compatible with standard motor loads and lighting schemes within power distribution networks. Grounding options show 50% internal grounding, simplifying installation and reducing wiring complexity. Business impact: reduces install time and potential grounding errors. Application: ideal for tight spaces where grounding accessibility is limited, such as retrofits or compact switchgear. Product dimensions—12.36 in depth, 21.2 in height, 5.43 in width—and a 25 lb weight enable straightforward mount within existing enclosures. Business impact: minimizes panel modifications and accelerates replacement projects. Application: well-suited for modular busway layouts in industrial facilities. Verified compliance with NEMA, IEEE, UL 857, CSA, and ANSI standards provides procurement confidence and regulatory alignment. Business impact: mitigates sourcing risk and supports audit readiness. Application: preferred choice for regulated industries seeking robust performance with predictable service life. Warranty coverage of one year from installation or eighteen months from shipment ensures continued value. Business impact: lowers maintenance risk and supports longer asset lifecycles. Application: beneficial for asset-intensive operations requiring predictable support windows.
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FAQs
To install the P3BHFD3125G, ensure it is mounted in a Pow-R-Way III compatible busway enclosure with three-pole, F-frame configuration. Verify the system voltage is supported (240/480 VAC with 100 kAIC rating) and that mounting clearances accommodate the 12.36 in depth, 21.2 in height, and 5.43 in width. The unit weighs 25 lb, so plan for proper lifting and support. Also account for 50% internal grounding and the required 1-year warranty window from installation or 18 months from shipment.
The P3BHFD3125G provides 100 kAIC at 240 and 480 VAC, with 25 kAIC at 600 VAC. This means it can interrupt high fault currents typical in industrial facilities, protecting feeders and downstream equipment. When selecting protection, compare system fault current to the breaker’s ratings and ensure coordination with upstream devices to avoid unnecessary outages while maximizing safety and equipment longevity.
Yes. The unit is NEMA compliant and carries IEEE, UL 857, CSA, and ANSI certifications. These approvals support safe installation, regulatory compliance, and compatibility with standard electrical installations in regulated environments, reducing procurement risk and audit concerns.
The plug-in unit measures 12.36 inches in depth, 21.2 inches in height, and 5.43 inches in width, with a weight of 25 pounds. These dimensions should be matched to your enclosure’s mounting provisions and available space. Plan for adequate access for maintenance and ensure compatible interior clearances for wiring and serviceability.
Warranty is one year from installation or eighteen months from shipment, whichever occurs first (Eaton policy 25-000). This coverage helps protect asset value and provides a defined window for maintenance profitability. For extended support, consult Eaton or your distributor about service agreements and replacement part availability.