Eaton P3BKW3400VGNSP Pow-R-Way III Plug-in Unit - 85 kAIC
Part Number: P3BKW3400VGNSP
Quick Summary
The Eaton Pow-R-Way III circuit breaker plug-in unit provides reliable overcurrent protection for busway-fed switchgear applications. Engineers often wrestle with sprinkler-proof requirements and space-constrained installations in modern facilities. This unit carries ANSI UL 857, CSA Certified, and IEEE Certified marks, reflecting rigorous safety and performance standards that support critical infrastructure. With 100% neutral options and a 50% internal grounding design, it integrates smoothly into modern power distribution schemes, reducing wiring complexity and enabling faster deployment. By combining a sprinkler-proof plug-in design with a vertical hanger and a robust 400A frame, it delivers dependable protection while lowering total cost of ownership.
Product Information
Extended Description
P3BKW3400VGNSP Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Sprinkler-proof, vert hanger, Busway, 3-pole, KW, Plug, 240V, Breaker, K Frame (70-400 A), 400A, 85 kAIC 220-240, 45 kAIC at 380-415 Vac, 20 kAIC at 660-690 Vac, 100% Neut, 50% Int Grnd
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BKW3400VGNSP
UPC
786685441368
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
ANSI UL 857 CSA Certified IEEE Certified
Circuit Breaker Frame
K
Design
Pow-R-Way III
Fuse type
H class
Grounding Options
50% Internal
Number Of Poles
Three-pole
Type
Breaker
Amperage Rating
400A
Interrupt rating
85 kAIC 220-240, 45 kAIC at 380-415 Vac, 20 kAIC at 660-690 Vac
Neutral Options
100%
Voltage rating
240V
Application
Busway
Product Category
Plug
Special features
Sprinkler-proof plug-in, vertical hanger
Feature → Business Impact → Application: Sprinkler-proof plug-in design enhances safety in damp or sprinklered environments and simplifies maintenance, leading to easier code-compliant installations for commercial facilities. Application: busway systems where reliability and quick swap-in protection are critical. Feature → Business Impact → Application: 3-pole KW frame supports high-current loads with consistent protection, improving uptime and reducing nuisance trips in manufacturing lines. Application: large machinery feeds in warehouse and process facilities. Feature → Business Impact → Application: High interrupt ratings of 85 kAIC at 220–240V, plus 45 kAIC at 380–415V and 20 kAIC at 660–690V, provide robust fault handling and energy-damping, lowering arc-flash risk and equipment damage. Application: data centers, distribution rooms, and heavy industrial plants. Feature → Business Impact → Application: 100% neutral options and 50% internal grounding streamline grounding strategies and neutral conductor sizing, speeding up installation and reducing wiring errors. Application: new builds and retrofits with strict grounding and Neutral requirements. Feature → Business Impact → Application: NEMA compliance and compact vertical hanger design enable straightforward field mounting, space optimization, and scalable expansion in dense electrical rooms. Application: plant expansions and modular busway layouts.
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FAQs
This 3-pole plug-in unit is designed for busway installations and offers a sprinkler-proof design with a vertical hanger. It supports 100% neutral and 50% internal grounding options, aiding simplified wiring and grounding schemes. Its NEMA-compliant framework and K-frame construction enable straightforward mounting in dense electrical rooms and scalable busway layouts.
The P3BKW3400VGNSP is rated for 400A at 240V. It provides an interrupt rating of 85 kAIC at 220–240V, 45 kAIC at 380–415V, and 20 kAIC at 660–690V. It is a three-pole plug-in unit with a K-frame design and a neutral option of 100%, supporting robust protection for high-current busway distributions.
This Eaton unit carries ANSI UL 857 certification, CSA Certification, and IEEE Certification, with NEMA compliance as applicable. These marks confirm safety, reliability, and suitability for industrial and commercial power distribution environments, aligning with rigorous regulatory requirements for critical infrastructure.
The sprinkler-proof design enhances safety in environments where sprinkler systems are present, reducing risk during maintenance and fault events. The vertical hanger simplifies mounting and enables compact, scalable installations in tight electrical rooms, improving serviceability and reducing installation time for busway-based power distribution.
The unit follows Eaton’s warranty policy: one year from installation or eighteen months from shipment, whichever comes first. This coverage supports ongoing reliability, with access to Eaton technical support and datasheets such as the P3BKW3400VGNSP specification sheet for reference during installation and maintenance.