Eaton P3BED3125 Circuit Breaker Plug-in Unit - 65 kAIC
Part Number: P3BED3125
Quick Summary
Eaton Pow-R-Way III circuit breaker plug-in unit provides reliable overcurrent protection for industrial busway systems. This device is designed to simplify installation and maintenance in high-density power distribution environments. Many projects struggle with space constraints, complex wiring, and long lead times; this unit’s plug-in format helps streamline commissioning without sacrificing safety. It carries IEEE and CSA certifications and ANSI/UL 857 marks, ensuring interoperability and regulatory compliance across North America, with NEMA compliance for rugged enclosure usage. In addition, its 125A rating and 65 kAIC interrupt capability deliver scalable protection for evolving facilities, while its compact ED frame and grounding options support flexible integration into existing power architectures.
Product Information
Extended Description
P3BED3125 Eaton: Pow-R-Way III Busway, Circuit Breaker Plug-in Unit, 3-Pole, 125 AMP, ED Frame Type
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BED3125
UPC
786683004893
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
E
Grounding Options
50% Integral/Housing
Type
Breaker
Amperage Rating
125A
Interrupt rating
65 kAIC at 240 Vac
The 125A 3-pole design provides robust protection for multi-zone busway configurations, reducing the risk of cascading faults and enabling faster maintenance cycles. This directly translates to improved uptime and lower operational costs as critical lines stay protected without frequent manual interventions. The 65 kAIC interrupt rating at 240 VAC delivers strong fault current handling for modern, high-energy facilities, supporting safer shut-downs and protecting downstream equipment from damaging transients. Grounding options include 50% integral/housing, enabling flexible installation schemes and compliance with varied site grounding requirements, which simplifies retrofits and upgrades. With IEEE, CSA, ANSI, and UL 857 certifications, the unit meets widely adopted safety standards, streamlining procurement and cross-site deployments. The compact ED frame and plug-in architecture improve installation efficiency, freeing valuable cabinet space and reducing field wiring complexity. Its NEMA-compliant construction further assures rugged durability in industrial environments, supporting long service life and reduced lifecycle costs. Overall, the P3BED3125 combines protection, performance, and installation convenience to support reliable power distribution in manufacturing, data centers, and processing facilities.
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FAQs
The P3BED3125 is designed as a plug-in unit for Eaton Pow-R-Way III busway assemblies. It fits the ED frame and aligns with standard 125A, 3-pole configurations. Ensure the busway section matches the unit’s frame type and mounting pattern, and verify cabinet space for the 12.36 inch depth, 21.2 inch height, and 5.43 inch width. This alignment minimizes wiring, reduces install time, and maintains NEMA compliance across installations.
P3BED3125 provides a 65 kAIC interrupt rating at 240 VAC, suitable for high fault-current environments. This rating ensures rapid interruption of short-circuit events, protecting both the breaker and downstream equipment. The device is rated for 125A continuous operation and supports 3-pole operation, matching typical industrial distribution schemes and enabling scalable protection as facilities grow.
Yes. The unit carries IEEE Certified, CSA Certified, ANSI, and UL 857 marks, confirming electrical safety, performance reliability, and interoperability within North American electrical systems. It is also NEMA compliant, facilitating rugged installations in industrial environments where enclosure protection and environmental resistance are critical. These certifications simplify procurement, testing, and field acceptance across multiple sites.
The plug-in unit weighs about 25 lb and measures 12.36 in long, 21.2 in high, and 5.43 in wide, which supports compact layouts in limited cabinet space. Grounding options provide 50% integral/housing grounding to suit diverse grounding strategies. When planning installations, confirm existing busway clearance, enclosure access, and appropriate grounding paths to ensure a seamless retrofit or new-build integration.
Using the P3BED3125 delivers measurable ROI through reduced installation time thanks to plug-in design, improved system reliability from 65 kAIC fault protection, and minimized downtime with easier maintenance access. Its broad certifications and NEMA compliance support faster approvals and cross-site deployment, while the compact footprint helps preserve cabinet space and lower enclosure costs over the project lifecycle.