Eaton P3BFDB3090N Circuit Breaker Plug-In - 18 kAIC

Part Number: P3BFDB3090N
Manufacturer
Eaton
Part number
P3BFDB3090N

Quick Summary

The Eaton P3BFDB3090N circuit breaker plug-in unit protects busway-fed electrical systems with reliable overcurrent protection. Engineers often struggle with compatibility across different busway configurations and the time-consuming plug-in maintenance. This unit aligns with UL 857, ANSI and CSA certifications and IEEE compatibility, delivering confidence for industrial installations. Designed for Pow-R-Way III busway systems, it supports 100% neutral operation and 50% integral grounding, helping reduce downtime and optimize maintenance budgets. This plug-in design accelerates field installation and minimizes spare-part complexity, delivering measurable efficiency gains and lower lifecycle costs.

Product Information

Extended Description

P3BFDB3090N Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Busway, Three-pole, FDB, Plug, Breaker, F Frame (15-225 A), 90A, 18 kAIC at 240 Vac, 14 kAIC at 480 Vac, 14 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
P3BFDB3090N
UPC
786683006231
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 IEEE 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
90A
Interrupt rating
18 kAIC at 240 Vac, 14 kAIC at 480 Vac, 14 kAIC at 600 Vac
Neutral Options
100%
Application
Busway
Product Category
Plug
Feature → Business Impact → Application: Three-pole F-frame Pow-R-Way III design provides balanced protection and simplifies wiring for busway distributions in manufacturing facilities, reducing miswiring risks and improving installation speed. Benefit: improved reliability and faster commissioning in high-demand environments. Application: industrial power distribution where space is at a premium and quick replacements are critical. Feature → Business Impact → Application: Interruption rating of 18 kAIC at 240 Vac and 14 kAIC at 480/600 Vac enables robust fault handling for high-current events, lowering the likelihood of collateral equipment damage. Benefit: enhanced plant uptime and safer electrical rooms. Application: data centers, machine rooms, and heavy automation lines with elevated fault currents. Feature → Business Impact → Application: 100% neutral and 50% integral/housing grounding options streamline grounding schemes and reduce part counts, cutting installation time and inventory complexity. Benefit: simpler compliance testing and reduced field labor. Application: new builds and retrofit projects following standard busway grounding practices. Feature → Business Impact → Application: Plug-in unit design supports rapid replacement and modular expansion within Pow-R-Way III busway systems, minimizing downtime during maintenance windows. Benefit: lower maintenance costs and scalable protection. Application: facilities with frequent protection upgrades or configuration changes. Feature → Business Impact → Application: NEMA compliance and multiple certifications (UL 857, ANSI, CSA, IEEE) ensure regulatory alignment and safer operation. Benefit: regulatory peace of mind and smoother procurement cycles. Application: industrial facilities seeking certified protection solutions and supplier reliability.

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FAQs

The P3BFDB3090N mounts as a three-pole plug-in unit on Pow-R-Way III busway frames. Ensure proper alignment with the F-frame, connect the 100% neutral path, and set grounding per the 50% integral/housing option. Torque procedures follow the Eaton installation guidelines to ensure reliable contact and maintain UL 857 compliance.
It is rated for 90A with an 18 kAIC interrupt rating at 240 Vac and 14 kAIC at 480/600 Vac. It features three poles, a compact F-frame design, and 100% neutral with 50% integral/housing grounding, optimized for busway distribution.
Yes. The unit is UL 857 listed and also carries ANSI, CSA, and IEEE certifications, aligning with common industrial safety and performance standards for motor control and power distribution equipment.
It is ideal for busway-based power distribution in manufacturing, processing plants, and data centers where reliable three-pole protection, fast replacement, and scalable grounding options are critical for uptime and safety.
The product adheres to Eaton’s warranty policy, offering coverage for one year from installation or eighteen months from shipment, whichever occurs first, providing assurance for installation projects and long-term maintenance.