Eaton P3BKD3300N Pow-R-Way III circuit breaker - UL/ANSI
Part Number: P3BKD3300N
Quick Summary
The Eaton Pow-R-Way III circuit breaker plug-in unit safeguards busway power feeds in commercial and industrial electrical systems. This modular breaker is designed for fast plug-in replacements, reducing downtime during maintenance or upgrades. In rugged environments, it delivers reliable protection with a three-pole K-frame design and 300 A rating, while offering 100% Neutral and flexible Grounding options. UL 857, ANSI, IEEE, and CSA certifications ensure compliance across safety standards and commissioning requirements. By integrating with Pow-R-Way III busway, it supports scalable distribution, simplifying retrofits and expansion projects. For engineers and procurement teams, this unit combines robust performance with straightforward installation, helping minimize lifecycle costs and improve uptime across critical facilities.
Product Information
Extended Description
P3BKD3300N Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Busway, Three-pole, KD, Plug, Breaker, K Frame (70-400 A), 300A, 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, 25 kAIC at 600 Vac, 100% Neutral, 50% Integral or Housing Ground
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BKD3300N
UPC
786683000772
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 ANSI IEEE Certified CSA Certified
Circuit Breaker Frame
K
Design
Pow-R-Way III
Grounding Options
50% Integral/Housing
Number Of Poles
Three-pole
Type
Breaker
Amperage Rating
300 A
Interrupt rating
65 kAIC at 240 Vac, 35 kAIC at 480 Vac, 25 kAIC at 600 Vac
Neutral Options
100%
Application
Busway
Product Category
Plug
Feature: Three-pole, K-frame breaker ready for busway integration. Business Impact: Delivers reliable protection for high-current busway runs, reducing fault-related downtime and equipment wear. Application: Ideal for industrial power distributions where space is constrained and modular upgrades are frequent. Feature: 300 A amperage rating with high interrupt capability. Business Impact: Handles substantial fault currents, safeguarding downstream equipment and enabling safer maintenance windows. Application: suitable for mid-to-large distribution segments in manufacturing and facilities with rigorous uptime targets. Feature: 65 kAIC at 240 VAC, 35 kAIC at 480 VAC, 25 kAIC at 600 VAC. Business Impact: Varied voltage protections align with diverse facility needs, improving safety margins and compliance. Application: backs critical loads across mixed-voltage busways without needing custom solutions. Feature: 100% Neutral and 50% Integral/Housing grounding options. Business Impact: Flexible grounding schemes simplify installation and earth-fault handling, lowering wiring complexity. Application: fits with diverse enclosure designs and site grounding practices. Feature: NEMA compliant and multiple certifications (UL 857, ANSI, IEEE, CSA). Business Impact: Regulatory alignment reduces commissioning time and risk, speeding project timelines. Application: essential for regulated industries and global deployments. Feature: Plug-in unit design with Busway compatibility. Business Impact: Reduces maintenance time and spare-part inventory while enabling fast replacements. Application: preferred for retrofit projects and scalable power distribution upgrades.
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FAQs
The P3BKD3300N is a three-pole plug-in circuit breaker designed specifically for Pow-R-Way III busways. It slots into compatible KD frames, providing seamless electrical isolation and protection within a busway distribution network. The unit’s 100% Neutral and 50% Integral grounding options simplify wiring and grounding strategies, reducing installation time and potential fault paths during commissioning and retrofits.
The device is rated for 300 A with interrupt ratings of 65 kAIC at 240 VAC, 35 kAIC at 480 VAC, and 25 kAIC at 600 VAC. It is a three-pole, K-frame breaker offering robust fault current handling for diverse busway configurations, enabling safer operation and extended equipment life in demanding industrial environments.
Yes. The P3BKD3300N carries UL 857, ANSI, IEEE, and CSA certifications and is NEMA compliant. These standards support safe operation, consistent performance across regions, and smoother regulatory approval during project commissioning and audits.
Its plug-in design enables quick replacements without extensive wiring, reducing downtime during maintenance. With dimensions around 13.29 in depth, 34.41 in height, and 7.79 in width, and a weight of approximately 53 lb, it fits common enclosures while providing straightforward mounting. Grounding flexibility (50% integral/housing) supports varied site practices and accelerates upgrades.
The warranty is Eaton’s standard policy: one year from installation or eighteen months from shipment, whichever occurs first. Support includes access to Eaton’s technical datasheets and the associated specification sheet, with available resources such as product videos to assist with installation, commissioning, and ongoing maintenance.