Eaton P3BKDC3125G Circuit Breaker Plug-In Unit - 200 kAIC @240V
Part Number: P3BKDC3125G
Quick Summary
The Eaton P3BKDC3125G circuit-breaker plug-in unit is engineered for reliable busway power distribution and rapid fault isolation. Engineers often face challenges in scalable protection and maintaining regulatory compliance across growing facilities, so a modular plug-in solution is essential. This unit carries IEEE Certified, CSA Certified, and UL 857 listings, with ANSI alignment to support broad compatibility and safety. By leveraging the Pow-R-Way III design, it enables straightforward integration with existing busways, reduces install time, and delivers predictable protection with a clear maintenance path for long-term uptime and reduced lifecycle costs.
Product Information
Extended Description
P3BKDC3125G Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Busway, Three-pole, KDC, Plug, Breaker, K Frame (70-400 A), 125A, 200 kAIC at 240 Vac, 100 kAIC at 480 Vac, 50 kAIC at 600 Vac, None, 50% Internal Ground
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BKDC3125G
UPC
786683001328
Product Length/Depth
13.29 in
Product Height
34.41 in
Product Width
7.79 in
Product Weight
53 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 CSA Certified UL 857 ANSI
Circuit Breaker Frame
K
Design
Pow-R-Way III
Grounding Options
50% Internal
Number Of Poles
Three-pole
Type
Breaker
Amperage Rating
125A
Interrupt rating
200 kAIC at 240 Vac, 100 kAIC at 480 Vac, 50 kAIC at 600 Vac
Application
Busway
Product Category
Plug
Feature → Business Impact → Application: The Pow-R-Way III frame and three-pole K-type breaker deliver robust fault interruption up to 200 kAIC at 240 Vac, enabling reliable protection for critical loads on busway networks; Application: ideal for industrial distribution panels where uptime is paramount and feeders require fast, predictable isolation. Feature → Business Impact → Application: 125A amperage rating with 50% internal grounding supports safe, scalable grounding and protections for modular busway configurations; Application: suitable for modular plant layouts and evolving facilities that need quick reconfiguration. Feature → Business Impact → Application: plug-in design simplifies installation and reduces maintenance complexity, improving lifecycle costs; Application: manufacturing lines and data-center-adjacent equipment spaces where downtime is costly. Feature → Business Impact → Application: NEMA compliant, UL 857 and CSA/IEEE/ANSI certifications provide regulatory confidence, easing procurement and compliance audits; Application: regulated environments requiring certified protection. Feature → Business Impact → Application: compact dimensions and stated weight allow precise enclosure planning and ergonomic handling during installs; Application: retrofit projects and expansions where space is at a premium. Industry context: leveraging this solution reduces total cost of ownership by delivering consistent performance, faster commissioning, and safer, compliant protection across busway-based power distribution networks.
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FAQs
The P3BKDC3125G is a plug-in unit designed for seamless insertion into Pow-R-Way III busways, featuring a three-pole K-frame and standard wiring interfaces that align with Eaton’s busway modules. Its 50% internal grounding option simplifies grounding strategies and reduces installation steps. For retrofit projects, verify enclosure clearance and mounting compatibility with existing busway spans to ensure a clean fit without forcing rework.
Key ratings include a 125A amperage, three-pole configuration, and interrupt ratings of up to 200 kAIC at 240 Vac, 100 kAIC at 480 Vac, and 50 kAIC at 600 Vac. These specs support reliable protection for critical loads in industrial and commercial power distribution, with compatibility to standard busway networks and UL 857/IEEE/ANSI compliant deployments.
Yes. The three-pole design, 125A rating, and high interrupt capability make the P3BKDC3125G suitable for industrial feeders and busway-based distribution. Its Pow-R-Way III design facilitates scalable expansion in facilities where modular busway protection is preferred, while maintaining safe fault isolation and regulatory compliance.
The unit is IEEE Certified, CSA Certified, UL 857 listed, and ANSI compliant, with additional NEMA compliance noted. These certifications support safety, interoperability, and regulatory acceptance across global facilities, easing procurement and audit processes.
The plug-in architecture simplifies field replacements and maintenance, reducing downtime during servicing. The 50% internal grounding option and robust interrupt ratings enhance safety and reliability, contributing to lower maintenance costs and longer service life for busway power distribution systems.