Eaton P3BFDB3125G Circuit Breaker Plug-In Unit - 18 kAIC at 240 VAC
Part Number: P3BFDB3125G
Quick Summary
Eaton Pow-R-Way III circuit breaker plug-in unit provides reliable overcurrent protection for industrial busway systems. It helps reduce installation complexity and downtime by exactly matching the Pow-R-Way III busway footprint and connection scheme, speeding upgrades. IEEE Certified, CSA Certified, ANSI, and UL 857 certifications ensure electrical safety, reliability, and regulatory compliance across projects. With a 125 A rating and NEMA-compliant design, it supports high-capacity, scalable power distribution while streamlining procurement, spare parts, and routine maintenance. Engineers can rely on the plug-in form factor for quick field replacements without extensive rewiring.
Product Information
Extended Description
P3BFDB3125G Eaton: Pow-R-Way III Busway, Circuit Breaker Plug-in Unit, 3-Pole, 125 AMP, FDB Frame Type, 50% Internal Ground
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BFDB3125G
UPC
786683006347
Product Length/Depth
12.36 in
Product Height
21.2 in
Product Width
5.43 in
Product Weight
25 lb
Compliances
NEMA Compliant
Certifications
IEEE Certified CSA Certified ANSI UL 857
Circuit Breaker Frame
F
Grounding Options
50% Internal
Type
Breaker
Amperage Rating
125A
Interrupt rating
18 kAIC at 240 Vac, 14 kAIC at 480 Vac, 14 kAIC at 600 Vac
Feature → Business Impact → Application: The P3BFDB3125G is a 3-pole, 125 A plug-in unit with the Pow-R-Way III busway, designed for fast, tool-free installation and minimal downtime. Impact: reduces project schedules and labor costs while maintaining robust overcurrent protection; Application: ideal for manufacturing lines, distribution panels, and data-center power rails that demand modularity and quick swap-ins when upgrading. Feature → Business Impact → Application: Grounding options are listed as 50% Internal, which improves grounding reliability and simplifies field wiring. Impact: lowers installation labor and enhances fault-path stability; Application: critical load banks and equipment with strict grounding requirements. Feature → Business Impact → Application: Compliances include NEMA, and Certifications include IEEE, CSA, ANSI, UL 857. Impact: ensures regulatory alignment, eases audits, and broadens supplier acceptance; Application: procurement for regulated environments and multi-site deployments. Feature → Business Impact → Application: Interrupt rating of 18 kAIC at 240 VAC (14 kAIC at 480/600 VAC) supports higher fault current scenarios. Impact: increases system resilience and reduces mis-match risk; Application: heavy machinery, industrial motors, and high-density busway configurations. Feature → Business Impact → Application: Compact dimensions (12.36 in L x 21.2 in H x 5.43 in W) and 25 lb weight enable space-efficient installations. Impact: reduces enclosure footprint and simplifies retrofits; Application: retrofit projects and tight electrical rooms. Feature → Business Impact → Application: 50% internal ground and plug-in design enable quick field replacements. Impact: minimizes downtime and simplifies maintenance planning; Application: routine maintenance and rapid fault isolation.
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FAQs
The P3BFDB3125G is a 3-pole, plug-in circuit breaker unit designed specifically for Eaton Pow-R-Way III busways. Its F frame, 50% internal grounding, and standard 12.36 in length, 21.2 in height, and 5.43 in width ensure a field-installable fit that matches the busway's connection scheme, reducing misalignment and installation risk.
Key specs include a 125 A amperage rating, 18 kAIC interrupt rating at 240 VAC, and 14 kAIC at 480/600 VAC. It is a 3-pole breaker with a ground option of 50% internal, certified to IEEE, CSA, ANSI, and UL 857 standards, and it is NEMA compliant.
Yes. With a 125 A rating and high interrupt ratings (18 kAIC @ 240 VAC, 14 kAIC @ 480/600 VAC), the P3BFDB3125G is well-suited for high-current motor feeders, heavy machinery circuits, and dense busway configurations common in manufacturing plants and data centers, all while maintaining regulatory compliance.
The unit carries IEEE Certified, CSA Certified, ANSI, UL 857, and is NEMA compliant. These certifications validate electrical safety, performance, and interoperability, simplifying procurement, speeding audits, and ensuring consistent performance across sites that require rigorous regulatory adherence.
The plug-in design minimizes hot-work and wiring during replacements, dramatically reducing downtime. Internal grounding simplifies maintenance, while the modular plug-in approach shortens spare-part cycles and supports rapid field swaps, delivering lower labor costs and faster restoration of service after faults or upgrades.