Eaton 35MM240R124042 Commercial Meter Stack - UL Listed
Part Number: 35MM240R124042
Quick Summary
The Eaton 35MM240R124042 is a commercial meter stack for efficient power distribution across 3-phase and 1-phase systems. It reduces wiring complexity and downtime by providing plug-in sockets with clearly labeled breakers for fast, dependable installations. Key certifications like UL Listed and the NEMA 3R enclosure rating support rugged outdoor or semi-outdoor service. Designed for power management and distribution, it aligns with 120/240V and 208Y/120V metering, offering scalable protection.
Product Information
Extended Description
35MM240R124042 Eaton: Eaton 35MM commercial meter stack, Plug-in socket, 400A, Al, Bus:1200A, Lever, NEMA 3R, Depends on selected MCB, 5-jaw, Sockets:2, 3-phase in, 1-phase out, A-B, (1) 400A and (1) 250A breakers installed, Ringless, Socket:400A, 120/240 Vac
Product Name
Eaton 35MM commercial meter stack
Catalog Number
35MM240R124042
UPC
782116995554
Product Length/Depth
18.25 in
Product Height
52.63 in
Product Width
8.75 in
Product Weight
320 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.
Certifications
UL Listed
Catalog Notes
Main tenant feeders can exit top, bottom, or back, If being used in outdoor application and exiting the top, mount Myer type hubs on rainproof cap. 120/240V, single-phase, three-wire systems and 208Y/120V network metering
Type
Plug-in socket
Feature: Plug-in socket architecture combined with a 400A main and 250A secondary breaker provides a ready-to-use metering path. Business Impact: Faster commissioning reduces field labor, minimizes wiring mistakes, and enables first-time-right installations in busy switchgear areas. Application: Commercial facilities and light-industrial spaces demanding reliable, upgradeable metering with flexible breaker options.Feature: UL Listed certification and a NEMA 3R enclosure deliver weather resilience and regulatory confidence. Business Impact: Compliance mitigates risk during audits, lowers maintenance interruptions, and supports outdoor or rain-prone environments with durable protection. Application: Outdoor electrical rooms, equipment yards, and industrial sites where metering must endure moisture and dust.Feature: Flexible exit configurations (top, bottom, or back) and support for 120/240V single-phase as well as 208Y/120V metering. Business Impact: Cabling routes adapt to room constraints, reducing the need for custom wiring and associated retrofit costs. Application: Retrofit projects and new builds in data centers, manufacturing floors, and multi-tenant facilities.Feature: Two sockets and a dedicated 400A/250A breaker arrangement with three-phase in, one-phase out (A-B). Business Impact: Enables staged metering for diverse loads, minimizes spare enclosures, and accelerates integration with other Eaton 35MM components. Application: campus facilities, multi-tenant buildings, and industrial plants requiring scalable metering.Feature: Built-in rugged construction and a one-year warranty aligned with Eaton policy. Business Impact: Lower total cost of ownership through long-term reliability, predictable maintenance, and vendor support. Application: Procurement planning for capital projects and long-term energy management programs.Feature: Precise dimensional footprint (18.25 in depth, 52.63 in height, 8.75 in width) and 320 lb weight ensures fit in standard electrical rooms while providing substantial mechanical robustness. Business Impact: Accurate site planning, faster installation checks, and reduced risk of misfit or need for crane-assisted handling. Application: New installations and upgrades in commercial and industrial facilities.
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FAQs
35MM240R124042 is compatible with 120/240V single-phase and 208Y/120V three-phase networks, making it suitable for most commercial and light-industrial metering needs. The unit supports two sockets, 3-phase in, 1-phase out, and includes one 400A and one 250A breaker. For retrofit projects, verify bus rating and available space before installation.
Key installation considerations include its dimensions (18.25 in depth, 8.75 in width, 52.63 in height) and a 320 lb weight, which influence rack space and handling. The plug-in socket design simplifies wiring, while exit options (top, bottom, or back) enable flexible cabling routes and easier room planning.
It carries UL Listed certification and a NEMA 3R enclosure rating, supporting outdoor or damp locations, rainproof configurations with optional hubs, and reliable performance across temperature ranges. This status reduces regulatory risk, streamlines supplier qualification, and helps maintenance teams meet corporate safety programs and internal audit controls.
Yes. The unit ships with one 400A and one 250A breaker installed and uses a two-socket arrangement with three-phase in and one-phase out (A-B). Site personnel can expand metering by integrating additional Eaton 35MM components while maintaining compliant wiring practices and appropriate protection ratings.
The meter stack reduces wiring labor via plug-in sockets, minimizes downtime with robust UL/NEMA-rated protection, and offers scalable metering for future expansion. Its long-term reliability, warranty coverage, and compatibility with Eaton’s 35MM family translate into lower total cost of ownership and improved ROI for industrial facilities and multi-tenant buildings.