Eaton P3BHFW3125JGN Circuit Breaker Plug-In Unit - 100 kAIC
Part Number: P3BHFW3125JGN
Quick Summary
Eaton Pow-R-Way III circuit breaker plug-in unit protects busway distributions with reliable overcurrent protection. Engineers often struggle with space, modular compatibility, and meeting high fault-current ratings in busway installations. IEEE Certified, ANSI CSA Certified, and UL 857 listed ensure compliance and safety in diverse markets. Ideal for busway protection, this plug-in unit supports scalable, cost-efficient power distribution. Engineers gain faster commissioning and lower total installed costs. With a 125 A rating and 100 kAIC interrupt capability at 220–240 VAC, it delivers robust protection for compact, modular switchgear. The plug-in design simplifies replacement and maintenance as layouts evolve. Further, this documentation-ready unit integrates with existing Eaton and third-party busway solutions.
Product Information
Extended Description
P3BHFW3125JGN Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Busway, Three-pole, HFW, Plug, Breaker, F Frame (15-225 A), 125A, 100 kAIC 220-240, 70 kAIC at 380-415 Vac, 14 kAIC at 660-690 Vac, 100% Neutral, 50% Internal Ground
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BHFW3125JGN
UPC
786685425207
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 ANSI CSA Certified UL 857
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 220-240, 70 kAIC at 380-415 Vac, 14 kAIC at 660-690 Vac
Neutral Options
100%
Application
Busway
Product Category
Plug
Feature: Modular, three-pole Pow-R-Way III design aligned with F-frame specifications enables consistent protection across phases. Benefit: Improves system reliability and reduces nuisance trips in demanding busway configurations. Application: Ideal for industrial power distribution where modularity and repeatable protection are required. Feature: High interrupt ratings across voltages—100 kAIC at 220–240 VAC, 70 kAIC at 380–415 VAC, and 14 kAIC at 660–690 VAC. Benefit: Supports diverse motor loads and process equipment without oversized equipment. Application: Plant-wide protection in mixed-voltage environments. Feature: 125 A amperage with 100% Neutral and 50% Internal Ground. Benefit: Ensures proper fault return paths and safer grounding schemes, reducing EMI and improving safety margins. Application: Critical processes and data-integrated facilities. Feature: Plug-in unit with plug-and-play compatibility for busway systems. Benefit: Speeds up installation, simplifies maintenance, and lowers downtime during upgrades. Application: OEM assemblies and modular switchgear lines. Feature: Compliance and certifications—IEEE, ANSI, CSA, UL 857. Benefit: Regulatory acceptance across global markets minimizes project risk and accelerates procurement. Application: International deployments and regulated industries. Feature: Busway application-oriented design—three-pole, F-frame, 125 A rating. Benefit: Aligns with standard busway systems for scalable distribution and easy integration. Application: Power distribution networks in manufacturing and large facilities.
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FAQs
The P3BHFW3125JGN is a three-pole plug-in unit designed for use with Pow-R-Way III busway configurations. It mounts as a plug-in device within a compatible F-frame housing, featuring 100% neutral and 50% internal grounding. Ensure alignment with the busway connectors, secure mounting hardware, and proper grounding before energizing. The unit supports rapid replacement in modular switchgear assemblies, minimizing downtime during system upgrades.
At 220–240 VAC, the device provides 100 kAIC interrupt rating. At 380–415 VAC, it offers 70 kAIC, and at 660–690 VAC, it provides 14 kAIC. The 125 A amperage rating remains constant across these scenarios, ensuring robust protection for a wide range of industrial loads and motor applications.
Yes. The 125 A, three-pole P3BHFW3125JGN is designed for busway distributions common in high-density industrial automation. Its modular plug-in design, high fault-current ratings, and 100% neutral feature make it well-suited for scalable power distribution in manufacturing cells, packaging lines, and automated material handling systems.
The unit carries IEEE Certification, ANSI certification, CSA certification, and UL 857 listing. It is also NEMA compliant, which helps ensure compatibility with North American electrical installations and supported by robust safety and performance benchmarks for industrial environments.
Eaton provides a one-year warranty from installation or 18 months from shipment, whichever occurs first. Regular maintenance involves inspection of plug-in connections, grounding, and neutral integrity. The modular plug-in design reduces downtime during upgrades and supports faster commissioning, contributing to lower total cost of ownership and improved ROI over the equipment lifecycle.