Eaton P3BLD3500G Circuit Breaker Plug-in Unit - UL 857
Part Number: P3BLD3500G
Quick Summary
The Eaton P3BLD3500G circuit breaker plug-in unit provides reliable protection for three-pole, three-wire busways used in industrial power distributions. For engineers wrestling with integrating modular breakers into Pow-R-Way III systems, installation can be time-consuming and prone to miswiring if the enclosure, frame, and grounding options aren’t aligned. This unit delivers UL 857, IEEE Certified, ANSI, and CSA certifications, reinforcing safety, compliance, and performance under demanding conditions. It supports 500 A service with 65 kAIC at 240 V, 35 kAIC at 480 V, and 25 kAIC at 600 V, while maintaining a 600 V rating and NEMA compatibility. In practice, you gain faster commissioning, improved fault isolation, and streamlined maintenance, with a plug enclosure that simplifies retrofits and future expansion.
Product Information
Extended Description
P3BLD3500G Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Busway, Three-pole, Three-wire, LD, Plug enclosure, 600V, Breaker, L Fame (125-600 A), 500A, 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
P3BLD3500G
UPC
782116623709
Product Length/Depth
19.65 in
Product Height
41.91 in
Product Width
10.15 in
Product Weight
75 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 IEEE Certified ANSI CSA Certified
Circuit Breaker Frame
L
Design
Pow-R-Way III
Grounding Options
50% Internal
Number Of Poles
Three-pole
Number of wires
Three-wire
Type
Breaker
Amperage Rating
500A
Interrupt rating
65 kAIC at 240 Vac, 35 kAIC at 480 Vac, 25 kAIC at 600 Vac
Voltage rating
600 V
Application
Busway
Product Category
Plug enclosure
Feature: Three-pole, three-wire design with an L-frame Pow-R-Way III configuration. Business Impact: Delivers robust protection for high-load busway circuits and simplifies module compatibility, reducing wiring errors during installation. Application: Ideal for 600 V industrial feeders in Pow-R-Way III busways. Feature: 500 A amperage rating with high interrupt capability (65 kAIC at 240 V, 35 kAIC at 480 V, 25 kAIC at 600 V). Business Impact: Improves short-circuit withstand and selectivity, minimizing downtime and extending equipment life. Application: Suitable for heavy-duty industrial power distribution where fast fault isolation is essential. Feature: 50% Internal Grounding option and 600 V voltage rating. Business Impact: Simplifies grounding strategies and enhances safety margins, reducing field wiring complexity. Application: Critical in facilities with mixed grounding schemes and strict safety standards. Feature: NEMA Compliant, UL 857, IEEE, ANSI, CSA certifications. Business Impact: Ensures regulatory compliance and acceptance across North American facilities, accelerating procurement and commissioning. Application: Compliance-driven installations in regulated environments. Feature: Plug enclosure design with modular plug-in format. Business Impact: Enables faster retrofits, easier maintenance, and scalable expansion without full system downtime. Application: Retrofit projects and future-proofed busway installations.
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FAQs
The P3BLD3500G is a three-pole, three-wire plug-in circuit breaker designed specifically for Pow-R-Way III busways. It modules neatly into compatible plug enclosure slots, preserving the L-frame design and 50% internal grounding. This integration minimizes wiring complexity, reduces installation time, and ensures proper electrical clearance, alignment, and safety clearances for fault isolation and maintenance.
The unit provides a 500 A amperage rating with interrupt ratings of 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, and 25 kAIC at 600 Vac. It has a 600 V voltage rating and is configured as a three-pole, three-wire breaker with a metal plug enclosure. These ratings support reliable protection for industrial busway feeders while meeting typical regional standards.
Yes. The P3BLD3500G carries UL 857 certification and IEEE, ANSI, and CSA certifications, plus NEMA compliance. These standards cover safety, performance, labeling, and interoperability with North American electrical systems, helping facilities meet regulatory requirements and simplify procurement and commissioning processes.
Plan for a 19.65 in depth, 41.91 in height, and 10.15 in width enclosure with an approximate 75 lb weight. Ensure space for the plug-in unit within the Pow-R-Way III footprint, verify grounding strategy (50% internal ground), and confirm compatibility with three-pole, three-wire configurations. Adequate ventilation and access for maintenance are also important.
The product carries Eaton’s warranty policy: one year from installation or eighteen months from shipment, whichever occurs first. ROI comes from improved uptime due to robust interrupt ratings, faster commissioning with plug-in installation, reduced wiring errors, and scalable busway protection for future expansion, translating to lower maintenance costs and higher system availability.