Eaton P3BHFD3040SP Pow-R-Way III Circuit Breaker - 100 kAIC
Part Number: P3BHFD3040SP
Quick Summary
Eaton Pow-R-Way III circuit breaker plug-in unit protects busway systems in sprinkler-proof industrial installations. This model addresses common retrofit and compatibility challenges by delivering a plug-in solution that aligns with existing busway configurations while maintaining robust protection. It carries important certifications to support field approvals and safer operation, including NEMA compliance and ANSI UL 857, IEEE, and CSA certifications. With a 40A rating and 100 kAIC interrupt capability, the unit offers reliable short-circuit protection and high fault tolerance. The combination of plug-in convenience and strong certification supports installation efficiency, lifecycle reliability, and reduced maintenance costs in power distribution networks.
Product Information
Extended Description
P3BHFD3040SP Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Sprinkler-proof plug-in, Busway, Three-pole, HFD, Breaker, F Frame (15-225 A), 40A, 100 kAIC at 240 Vac, 100 kAIC at 480 Vac, 25 kAIC at 600 Vac, None, 50% Integral or Housing Ground
Product Name
Eaton Pow-R-Way III circuit breaker plug-in unit
Catalog Number
P3BHFD3040SP
UPC
786685243153
Product Length/Depth
12.36 in
Product Height
21.2 in
Product Width
5.43 in
Product Weight
25 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 IEEE Certified CSA Certified
Circuit Breaker Frame
F
Design
Pow-R-Way III
Grounding Options
50% Integral/Housing
Number Of Poles
Three-pole
Type
Breaker
Amperage Rating
40A
Interrupt rating
100 kAIC at 240 Vac, 100 kAIC at 480 Vac, 25 kAIC at 600 Vac
Application
Busway
Special features
Sprinkler-proof plug-in
The Sprinkler-proof plug-in design reduces risk by enabling quick assembly and reliable protection in harsh environments, improving installation efficiency and minimizing downtime. This translates to lower commissioning costs and fewer field adjustments, especially in retrofit projects where space is tight and busway interfaces must be precise. The 40A amperage rating aligns with typical busway feeder loads, ensuring protection without nuisance tripping in steady-state operation, while maintaining compatibility with existing system ratings. With 100 kAIC interrupt ratings at 240 and 480 VAC (and 25 kAIC at 600 VAC), the unit delivers superior fault clearance, increasing equipment life and reducing arc-related damage in high-energy facilities. Grounding options offering 50% integral/housing grounding simplifies wiring and reduces assembly steps during panel builds. The three-pole F-frame design supports reliable coordination in multi-phase busway layouts, while the sprinkler-proof feature meets safety codes for critical process areas. Compliance with NEMA, ANSI UL 857, IEEE, and CSA standards provides confidence in procurement, QA, and regulatory audits, supporting long-term total-cost-of-ownership reductions.
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FAQs
The P3BHFD3040SP is designed as a plug‑in unit for Sprinkler‑proof busway configurations. When selecting for retrofit or new builds, verify bus duct dimensions, pole count, and mounting orientation to ensure a precise fit. The 12.36 in length, 5.43 in width, and 21.2 in height support standard busway enclosures, while the 50% integral ground option simplifies grounding planning and reduces field cabling.
This unit provides 100 kAIC interrupt rating at 240 VAC and 480 VAC, and 25 kAIC at 600 VAC. Such high interrupt levels improve fault clearance and protection for demanding high-energy installations, reducing arc damage and downtime. Always confirm system impedance and coordination with upstream devices to maximize selectivity while maintaining fast fault clearance.
Yes. The product is NEMA compliant and carries ANSI UL 857, IEEE, and CSA certifications. These approvals support regulatory compliance, safer operation in electrical rooms, and easier QA/traceability for procurement and project documentation. Contractors often rely on these certifications to streamline commissioning and reduce redlines during inspections.
The unit provides 50% integral or housing grounding, which simplifies the grounding plan during panel assembly and reduces extra wiring. This feature is particularly valuable in sprinkler-protected, busway installations where minimizing field wiring improves installation speed and reliability while maintaining proper fault current paths.
Eaton offers a one-year warranty from the date of installation or eighteen months from the date of shipment, whichever comes first. This coverage supports early-life reliability and provides a buffer for installation delays. For ongoing performance, ensure periodic inspection of connection points, busway interfaces, and grounding to preserve protective performance over the equipment lifecycle.