Eaton P3BKDB3350N circuit breaker plug-in unit - UL 857
Part Number: P3BKDB3350N
Quick Summary
Eaton P3BKDB3350N circuit breaker plug-in unit offers a robust protection solution for Pow-R-Way III busway systems in industrial facilities. Maintenance teams often struggle with part availability and downtime when breakers fail mid-shift, making quick plug-in replacements essential. IEEE Certified, CSA Certified, ANSI, and UL 857 listings ensure safety, reliability, and regulatory compliance across power distribution missions. This 3-pole, 350 A unit with 100% neutral support and a K-frame design integrates with existing busway infrastructure, reducing interconnection complexity. The modular, plug-in approach simplifies stocking and maintenance while supporting scalable capacity, helping plants improve uptime and total-cost-of-ownership in mission-critical environments.
Product Information
Extended Description
P3BKDB3350N Eaton: Pow-R-Way III Busway, Circuit Breaker Plug-in Unit, 3-Pole, 350 AMP, KDB Frame Type, 100% Neutral
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BKDB3350N
UPC
786683001779
Product Length/Depth
13.29 in
Product Height
34.41 in
Product Width
7.79 in
Product Weight
53 lb
Compliances
NEMA Compliant
Certifications
IEEE Certified CSA Certified ANSI UL 857
Circuit Breaker Frame
K
Grounding Options
50% Integral/Housing
Type
Breaker
Amperage Rating
350 A
Interrupt rating
65 kAIC at 240 Vac, 35 kAIC at 480 Vac, 25 kAIC at 600 Vac
Neutral Options
100%
The Busway Solution
Eaton Specification Sheet - P3BKDB3350N
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 3-pole, 350 A amperage with 65 kAIC at 240 VAC, 35 kAIC at 480 VAC, 25 kAIC at 600 VAC. Business Impact: Delivers high fault-current protection for critical feeders, enabling fast fault clearance and equipment protection. Application: Ideal for heavy-load Pow-R-Way III busway distributions in manufacturing lines and process facilities. Feature: 100% Neutral and 50% Integral Grounding options. Business Impact: Ensures balanced loads and streamlined grounding design, reducing installation time and compliance risk. Application: Data centers and flexible manufacturing environments where precise grounding and neutral performance are required. Feature: K-frame design with plug-in configuration. Business Impact: Simplifies retrofit and expansion, enabling rapid replacements with minimal wiring changes. Application: Retrofit projects on existing Pow-R-Way III busways and multi-bay distributions. Feature: Compact footprint and defined dimensions (13.29 in depth, 34.41 in height, 7.79 in width) and weight (53 lb). Business Impact: Eases space planning and installation in crowded enclosures while maintaining robust protection. Application: Plant-wide distribution upgrades and space-constrained facilities. Feature: Compliance and certification package (NEMA Compliant; IEEE Certified, CSA Certified, ANSI, UL 857). Business Impact: Streamlines procurement through recognized safety and performance standards; reduces validation time. Application: Global facilities requiring rigorous standards for electrical protection equipment.
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FAQs
The P3BKDB3350N is designed as a plug-in unit for Eaton’s Pow-R-Way III busway systems. It uses a 3-pole, 350 A configuration with a K-frame and 100% neutral, making it a straightforward retrofit or upgrade for existing Pow-R-Way III installations. For best results, verify enclosure space and busway connectors align with the unit’s dimensions (13.29 in depth, 34.41 in height, 7.79 in width).
The P3BKDB3350N provides 65 kAIC at 240 VAC, 35 kAIC at 480 VAC, and 25 kAIC at 600 VAC. This wide range supports high fault-current protection across common industrial voltages, ensuring fast fault clearing and equipment protection in diverse plant environments.
Yes. With 100% neutral, 50% integral grounding, and UL/IEEE/CSA/ANSI certifications, the P3BKDB3350N is well-suited for data centers and high-density manufacturing where reliable protection, regulatory compliance, and modular maintenance are priorities. Its plug-in design reduces downtime during upgrades or replacements.
This plug-in unit carries NEMA compliance and certifications including IEEE, CSA, ANSI, and UL 857. These standards confirm safety performance, interoperability with industrial power systems, and regulatory acceptance across global facilities.
The plug-in design supports rapid exchanges, reducing maintenance downtime and spare-part inventory complexity. With modular replacement, plants can achieve faster repairs, lower labor costs, and improved uptime, contributing to a shorter return on investment and lower total cost of ownership for Pow-R-Way III distributions.