Eaton P3BMDL3700 Circuit Breaker Plug-In Unit - UL 857
Part Number: P3BMDL3700
Quick Summary
The Eaton Pow-R-Way III circuit breaker plug-in unit is a reliable power protection solution for busway systems in industrial facilities. It addresses downtime and installation complexity by offering a plug-in design that speeds replacement and reduces labor. This unit carries key certifications such as UL 857, ANSI CSA, and IEEE, with NEMA compliance, ensuring safety and regulatory alignment. Designed for 700 A service with broad fault-current ratings, it delivers scalable protection while simplifying spare-part strategies and ongoing maintenance. By combining robust performance with straightforward installation, this solution supports efficient, compliant power distribution for modern facilities.
Product Information
Extended Description
P3BMDL3700 Eaton: Eaton Pow-R-Way III circuit breaker plug-in unit, Busway, Three-pole, MDL, Plug, Breaker, M Frame (300-800 A), 700A, 65 kAIC at 240 Vac, 50 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
P3BMDL3700
UPC
786683019576
Product Length/Depth
19.65 in
Product Height
45.89 in
Product Width
10.15 in
Product Weight
136 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 CSA Certified IEEE Certified UL 857
Circuit Breaker Frame
M
Design
Pow-R-Way III
Grounding Options
50% Integral/Housing
Number Of Poles
Three-pole
Type
Breaker
Amperage Rating
700A
Interrupt rating
65 kAIC at 240 Vac, 50 kAIC at 480 Vac, 25 kAIC at 600 Vac
Application
Busway
Product Category
Plug
Feature → Business Impact → Application: Three-pole M-frame plug-in unit enables fast substitutions and minimized downtime, boosting overall equipment availability in busway-fed installations. This design supports rapid maintenance cycles and reduces service interruptions in manufacturing lines and data-center feedrooms. Application: Industrial plants requiring quick fault protection deployment without rewiring. Feature → Business Impact → Application: 65 kAIC at 240 VAC provides high-energy interruption capacity, improving system reliability and reducing risk of cascading faults during peak demand. Application: Large motor loads and critical feeders in process facilities. Feature → Business Impact → Application: 700 A amperage rating accommodates substantial feeder currents, supporting scalable power distribution with fewer components. Application: Medium to high-current busway networks. Feature → Business Impact → Application: 50% integral/housing grounding offers flexible installation options, simplifying compliance with site grounding practices. Application: Diverse building environments with varied grounding requirements. Feature → Business Impact → Application: NEMA compliance and UL 857 certification streamline procurement and QA, accelerating project approval and installation. Application: Regulated industries and OEM integrations. Feature → Business Impact → Application: Busway compatibility ensures seamless integration with Eaton Pow-R-Way III systems, reducing integration risk and lifecycle costs. Application: New installations and retrofit projects in industrial facilities.
Get a Quick Quote for a Eaton P3BMDL3700
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 P3BMDL3700?
Enquire Now
FAQs
Yes. The P3BMDL3700 is designed as a three-pole M-frame circuit breaker plug-in unit for Pow-R-Way III busway configurations. It integrates with standard busway layouts, enabling straightforward mounting and plug-in replacement without rewiring, which minimizes downtime during maintenance or upgrades. Ensure mounting aligns with compatible busway sections and follow Eaton installation guidelines for best results.
Key performance specs include a 700 A amperage rating and interrupt ratings of 65 kAIC at 240 VAC, 50 kAIC at 480 VAC, and 25 kAIC at 600 VAC. The unit supports 50% integral ground, is NEMA compliant, and carries UL 857 certification. These figures make it suitable for high-energy busway feeders and critical loads while meeting industry safety standards.
Ideal for industrial facilities with busway distribution such as manufacturing plants, data centers, and large commercial buildings. It suits facilities needing high fault-current handling, scalable protection for feeders, and rapid plug-in installation to minimize downtime during power distribution upgrades and routine maintenance.
The unit is ANSI CSA Certified, IEEE Certified, and UL 857 listed, with NEMA Compliant design. These certifications support regulatory compliance, quality assurance, and safety certification in regulated environments, easing procurement and commissioning across multiple regions.
Eaton provides a warranty per policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This warranty, combined with a plug-in design and readily available spare parts, reduces maintenance costs, shortens downtime during replacements, and lowers total cost of ownership for busway protection assets.