Eaton P3BKDB3400 Pow-R-Way III Circuit Breaker - 65 kAIC
Part Number: P3BKDB3400
Quick Summary
The Eaton P3BKDB3400 Pow-R-Way III circuit breaker plug-in unit protects medium-current busway distributions. Engineers often struggle with bulky protection enclosures, limited upgrade paths, and compatibility gaps in modular systems. This unit carries IEEE, CSA, and UL 857 certifications, with NEMA compliance supporting safe operation across environments. Streamlined installation and robust interrupt ratings help reduce downtime and total cost of ownership in plant power distribution.
Product Information
Extended Description
P3BKDB3400 Eaton: Pow-R-Way III Busway, Circuit Breaker Plug-in Unit, 3-Pole, 400 AMP, KDB Frame Type
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BKDB3400
UPC
786683001793
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
400A
Interrupt rating
65 kAIC at 240 Vac, 35 kAIC at 480 Vac, 25 kAIC at 600 Vac
The Busway Solution
Eaton Specification Sheet - P3BKDB3400
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 3-pole, 400A protection in a K-frame plug-in unit. Business Impact: Enables high-density protection with proven interchangeability in Pow-R-Way III busway configurations. Application: Ideal for medium‑to‑large industrial facilities seeking reliable modular protection without sacrificing space. Feature: Interrupt ratings up to 65 kAIC at 240 VAC, 35 kAIC at 480 VAC, and 25 kAIC at 600 VAC. Business Impact: Superior fault current handling reduces equipment damage and unplanned downtime. Application: Critical for manufacturing lines and process plants with variable fault currents. Feature: Grounding options with 50% integral/housing grounding. Business Impact: Simplifies field wiring and improves safety during maintenance. Application: Retrofit projects and new installations in enclosed busway spaces. Feature: Compliance and certifications including IEEE, CSA, ANSI, UL 857, and NEMA. Business Impact: Regulatory approvals minimize risk and accelerate approvals with customers and inspectors. Application: Cross‑industry adoption in automotive, food & beverage, and data centers. Feature: Clear physical specifications—13.29 in length, 34.41 in height, 7.79 in width, 53 lb weight. Business Impact: Predictable enclosure fit and straightforward handling during installation and service. Application: Retrofit in existing Eaton Pow-R-Way III busway systems and new builds alike.
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FAQs
Installation begins with confirming busway compatibility for the P3BKDB3400, which is a 3-pole plug-in unit configured for K-frame protection. Mount the unit within the compatible Pow-R-Way III busway chassis, connect the conductors to the breaker terminals, and secure grounding via the 50% integral grounding option. Verify NEMA compliance and torque specifications, then perform functional testing to confirm correct trip settings and fault current handling.
Key specs include a 400A amperage rating, 3-pole configuration, and interrupt ratings of 65 kAIC at 240 VAC, 35 kAIC at 480 VAC, and 25 kAIC at 600 VAC. The physical footprint is 13.29 in long, 34.41 in high, and 7.79 in wide, with an approximate weight of 53 lb. These specs support robust protection in modular busway systems.
Yes. The 400A capacity, elevated interrupt ratings, and 3-pole protection make it suitable for data centers, manufacturing lines, and process plants that rely on modular busway protection. Its plug-in design simplifies upgrades and maintenance, while NEMA compliance and UL/IEEE/CSA/ANSI certifications support reliable operation in diverse environments.
The P3BKDB3400 carries IEEE, CSA, ANSI, and UL 857 certifications, with NEMA compliance. This combination ensures regulatory acceptance across North American applications, supports safe operation in industrial environments, and reduces risk during audits, inspections, and system integration.
Expected benefits include reduced downtime due to plug-in installation and faster fault isolation, improved uptime from high interrupt ratings, and streamlined maintenance with standardized components compatible with Pow-R-Way III busway. Additionally, up-front compliance reduces project risk, potentially shortening commissioning timelines and lowering total cost of ownership over the system life cycle.