Eaton P3BKD3125G Circuit Breaker Plug-in Unit - UL 857 / CSA Certified
Part Number: P3BKD3125G
Quick Summary
Eaton P3BKD3125G is a circuit breaker plug-in unit for busway systems in industrial power distribution. Engineers often struggle with space constraints, downtime risk, and ensuring correct interrupt ratings across voltages. Certified to UL 857, CSA, and ANSI/IEEE standards, it meets rigorous safety and performance requirements. Its 125A rating and 65 kAIC at 240V enable reliable protection in high-demand applications, while the Pow-R-Way III design supports rapid, modular installation. The unit's compact dimensions and 50% internal grounding simplify wiring, reduce enclosure complexity, and lower total cost of ownership. This translates to smoother procurement cycles and improved uptime for critical line-side protection.
Product Information
Extended Description
P3BKD3125G Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Busway, Three-pole, KD, Plug, Breaker, K Frame (70-400 A), 125A, 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, 25 kAIC at 600 Vac, None, 50% Internal Ground
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BKD3125G
UPC
786683000529
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
UL 857 CSA Certified ANSI IEEE Certified
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
65 kAIC at 240 Vac, 35 kAIC at 480 Vac, 25 kAIC at 600 Vac
Application
Busway
Product Category
Plug
Feature → Business Impact → Application: The three-pole Pow-R-Way III plug-in design matches common busway configurations, minimizing installation time and enabling modular expansion in growing facilities. Benefit: Reduced panel footprint and faster commissioning cut project timelines and labor costs for OEMs and retrofit projects. Application: Ideal for factory floor power distribution where space is at a premium and upgrade cycles are frequent. Feature → Business Impact → Application: High interrupt ratings—65 kAIC at 240 VAC, 35 kAIC at 480 VAC, 25 kAIC at 600 VAC—provide robust fault protection for critical loads. Benefit: Enhanced safety, lower risk of cascading failures, and minimized downtime during short circuits. Application: Heavy-use motor control centers and feeder circuits in automation lines. Feature → Business Impact → Application: 125 A amperage with 50% internal grounding simplifies field wiring and reduces external ground runs. Benefit: Easier wiring schemes, fewer components, and faster maintenance. Application: Busway feeders in manufacturing cells where wiring density is high. Feature → Business Impact → Application: NEMA compliant, UL 857, CSA, and ANSI/IEEE certifications establish compliance across regulatory and regional markets. Benefit: Smooth procurement, lower regulatory review effort, and assurance for maintenance and safety audits. Application: Industrial facilities with strict safety and quality requirements. Feature → Business Impact → Application: K-frame, three-pole plug-in unit with compact dimensions (13.29 in L, 34.41 in H, 7.79 in W) and a weight of 53 lb. Benefit: Easier handling, space planning, and retrofit feasibility in confined electrical rooms. Application: Retrofit projects and new installations in mid-to-large industrial facilities.
Get a Quick Quote for a Eaton P3BKD3125G
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton P3BKD3125G?
Enquire Now
FAQs
The P3BKD3125G is a three-pole plug-in unit designed for Pow-R-Way III busway configurations. Plan for 13.29 in depth, 34.41 in height, and 7.79 in width, with a total weight of 53 lb to ensure proper space and mounting clearances. Use the 50% internal grounding option to simplify field wiring and reduce external grounding components.
This unit is rated at 125 A with interrupt ratings of 65 kAIC at 240 VAC, 35 kAIC at 480 VAC, and 25 kAIC at 600 VAC. Such ratings support protection for high-demand busway feeders and critical loads, helping minimize damage during short-circuit events and reducing downtime due to protection nuisance.
Yes, the P3BKD3125G is designed for Pow-R-Way III busway integration and uses a K-frame three-pole plug-in configuration. Its compact, plug-in form factor simplifies retrofit and new-install projects, enabling quicker deployment and easier spare-part alignment with existing Eaton protection schemes.
The unit carries UL 857, CSA Certified, and ANSI/IEEE Certified marks. These certifications confirm electrical safety, performance, and compatibility with industrial control wiring. They are crucial for regulatory compliance, safety audits, and ensuring reliable protection in regulated manufacturing environments.
Eaton provides a one-year warranty from installation or eighteen months from shipment, whichever occurs first. For maintenance, rely on the unit’s robust mechanical design, standard ratings, and NEMA compliance to support predictable service intervals, reduced replacement costs, and consistent system uptime in demanding automation settings.