Eaton P3BKDB3250 Circuit Breaker Plug-in Unit - 65 kAIC
Part Number: P3BKDB3250
Quick Summary
Eaton Pow-R-Way III circuit breaker plug-in unit protects industrial busways with modular overcurrent protection. From field upgrades to routine maintenance, compatibility and downtime are major pain points that cost time and money. This plug-in unit carries IEEE, CSA and UL certifications, with 65 kAIC interrupt ratings at 240 Vac and NEMA compliance, ensuring safe, compliant operations. By leveraging a compact 3-pole, 250 A design with clear mounting and grounding options, you gain installation confidence and long-term reliability. This combination supports efficient busway integration and reduced spare-part variety, lowering total cost of ownership. Engineers appreciate the clear product specs and field-replaceable plug-in design that speeds commissioning.
Product Information
Extended Description
P3BKDB3250 Eaton: Pow-R-Way III Busway, Circuit Breaker Plug-in Unit, 3-Pole, 250 AMP, KDB Frame Type
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BKDB3250
UPC
786683001670
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
250 A
Interrupt rating
65 kAIC at 240 Vac, 35 kAIC at 480 Vac, 25 kAIC at 600 Vac
Feature: 3-Pole, 250 A Pow-R-Way III plug-in unit provides scalable protection for medium-to-large busway installations. Business Impact: Enables modular upgrades and standardized protection schemes, reducing spare parts and accelerating commissioning. Application: Ideal for Eaton Pow-R-Way III busway systems in manufacturing and processing facilities. Feature: 65 kAIC interrupt rating at 240 Vac delivers high fault tolerance. Business Impact: Enhances equipment protection and minimizes arc-flash exposure during faults, lowering risk and downtime. Application: Critical for high-density loads and heavy startup currents in industrial plants. Feature: Grounding options with 50% integral/housing grounding simplifies installation and improves EMI/EMC performance. Business Impact: Streamlines grounding schemes and reduces field wiring complexity. Application: Suitable for metal enclosures and centralized grounding layouts in control rooms or switchgear rooms. Feature: Full compliance stack including IEEE, CSA, ANSI, UL 857 and NEMA. Business Impact: Ensures regulatory alignment and smooth commissioning across markets, reducing acceptance testing time. Application: Essential for multinational facilities and shared service centers. Feature: Compact form factor with defined dimensions (13.29 in depth, 34.41 in height, 7.79 in width) and 53 lb weight. Business Impact: Eases installation in constrained spaces and supports retrofits without extensive structural modifications. Application: Ideal for retrofit projects and space-limited panels in manufacturing lines.
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FAQs
Mounting the P3BKDB3250 requires a compatible Pow-R-Way III busway frame (K-frame), 3-pole configuration and proper grounding. With a 13.29 inch depth, 34.41 inch height, 7.79 inch width, and a 53 lb weight, it fits standard enclosure spaces and supports straightforward field wiring. Verify NEMA compliance and UL 857 compatibility during panel planning.
The unit is a 3-pole design rated for 250 A with an interrupt rating of 65 kAIC at 240 Vac. It is also rated for NEMA compliance and carries IEEE and CSA certifications, ensuring safe operation under typical industrial busway fault conditions and providing a robust protection profile for medium-to-large systems.
Yes, the P3BKDB3250 supports higher voltage applications with an interrupt rating of 35 kAIC at 480 Vac and 25 kAIC at 600 Vac, making it versatile for multi-voltage industrial environments. Ensure proper coordination with adjacent protective devices and busway insulation ratings when designing the protection scheme.
The unit carries IEEE, CSA, ANSI, and UL 857 certifications and is NEMA compliant. These certifications validate safety, performance, and interoperability across markets, reducing regulatory risk, accelerating approval processes, and ensuring consistent protection standards for industrial power distribution.
The plug-in design simplifies field replacement and maintenance, minimizing panel downtime and spare-part variety. Its modular approach supports rapid fault isolation and quicker commissioning, lowering maintenance labor costs and increasing uptime, which translates to a favorable total cost of ownership in ongoing power distribution operations.