Eaton P3BKD3225GN Circuit Breaker Plug-in Unit - 65 kAIC
Part Number: P3BKD3225GN
Quick Summary
Pow-R-Way III circuit breaker plug-in unit from Eaton provides reliable overcurrent protection for factory busway systems. Engineers often grapple with space constraints, grounding strategy, and rapid field assembly when integrating breakers into large busway runs. This model carries IEEE Certified, CSA Certified, ANSI, and UL 857 certifications, reinforcing safety and interoperability across industrial environments. By leveraging a KD frame configuration with 50% internal grounding and 100% neutral, it enables streamlined installation and consistent fault isolation. With a 225 A rating and 65 kAIC interrupt capability, it supports scalable protection for mid-size distribution needs while aligning with NEMA expectations and maintenance workflows.
Product Information
Extended Description
P3BKD3225GN Eaton: Pow-R-Way III Busway, Circuit Breaker Plug-in Unit, 3-Pole, 225 AMP, KD Frame Type, 50% Internal Ground and 100% Neutral
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BKD3225GN
UPC
786683000703
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% Internal
Type
Breaker
Amperage Rating
225 A
Interrupt rating
65 kAIC at 240 Vac, 35 kAIC at 480 Vac, 25 kAIC at 600 Vac
Neutral Options
100%
The 3-Pole, 225 A KD frame design delivers high current capacity without excessive footprint, reducing cabinet width and enabling easier pull-through in crowded switchgear spaces. This translates into measurable business benefits by freeing up rack space and shortening installation time on new builds or retrofits. The 50% internal grounding option paired with 100% neutral simplifies wiring schemes and improves fault signaling, which accelerates commissioning and reduces the risk of grounding-related faults in live systems. In practice, this means faster startup, lower commissioning costs, and improved reliability for critical processes in manufacturing, data centers, and utility-grade facilities. The unit’s IEEE, CSA, ANSI, and UL 857 certifications support compliance across regional markets, reducing the need for multiple variants and simplifying procurement. Its plug-in accessibility and KD frame compatibility make field replacements and upgrades straightforward, minimizing downtime and extending asset life. The 65 kAIC interrupt rating at 240 Vac (with 35 kAIC at 480 Vac and 25 kAIC at 600 Vac) provides robust protection for motors, drives, and other high-inrush loads common in industrial busway environments. Its dimensions—13.29 in depth, 34.41 in height, and 7.79 in width—coupled with a 53 lb weight, offer a predictable footprint for project planning and chassis integration. Designed for Pow-Ray III Busway systems, it supports modular expansion and simplifies stocking with a single, standard form factor across KD frame configurations.
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FAQs
The P3BKD3225GN is a 3-Pole, 225 A KD-frame circuit breaker plug-in unit designed specifically for Pow-R-Way III busway installations. It fits standard KD-frame configurations and supports 50% internal grounding with 100% neutral, simplifying field wiring and ensuring quick, drop-in replacement without modifications to the busway ducting.
With its 225 A amperage rating and 65 kAIC interrupt capability at 240 V, the unit provides robust protection for motor starters, drives, and other high inrush equipment common in 3-phase busway networks. The 3-pole design ensures synchronized switching and reliable fault isolation across all phases, reducing the risk of cascading faults.
This model carries IEEE Certified, CSA Certified, ANSI, and UL 857 certifications, aligning with widely adopted industry safety and performance standards. These certifications support regulatory compliance across North American facilities and facilitate procurement through a single, standards-compliant solution.
Given its plug-in design and KD-frame compatibility, maintenance typically focuses on periodic inspection of connections, grounding integrity, and contact wear in the breaker module. The unit’s standardized form factor simplifies replacement and stock planning, helping minimize downtime during maintenance cycles and upgrades.
Expect reduced commissioning time due to plug-in installation, lower spare-part complexity with a single KD-frame solution, and improved protection for critical loads thanks to high interrupt ratings. These factors collectively reduce downtime, extend equipment life, and improve overall plant reliability in busway distribution schemes.