Eaton 35MM240R1240C53 Meter Stack - UL Listed 400A
Part Number: 35MM240R1240C53
Quick Summary
Eaton 35MM240R1240C53 meter stack is a plug-in socket assembly for high-capacity commercial metering. Engineers often grapple with outdoor durability, versatile feeder exits, and maintaining code-compliant metering in varying installations. UL Listed certification and a NEMA 3R enclosure rating support rugged outdoor performance across environments. It supports 120/240V single-phase and 208Y/120V network metering, with three-phase in and one-phase out to simplify feeder configurations. With a 400A capacity and factory installed breakers, this Eaton meter stack reduces installation time, minimizes field wiring errors, and improves reliability for commercial and industrial applications.
Product Information
Extended Description
35MM240R1240C53 Eaton: Eaton 35MM commercial meter stack, Plug-in socket, 400A, Cu, Bus:1200A, Lever, NEMA 3R, Depends on selected MCB, 5-jaw, Sockets:2, 3-phase in, 1-phase out, A-B, (1) 350A and (1) 300A breakers installed, Ringless, Socket:400A, 120/240Vac
Product Name
Eaton 35MM commercial meter stack
Catalog Number
35MM240R1240C53
UPC
786689165949
Product Length/Depth
66.625 in
Product Height
8.75 in
Product Width
19.375 in
Product Weight
320 lb
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
Number of jaws
Five-jaw
Number of sockets
2
Phase
Three-phase in, single-phase out
Amperage Rating
400A
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 35MM240R1240C53
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Plug-in socket with five-jaw design and a 400A rating enables quick, secure terminations and compatibility with a range of MCBs. Business Impact: Reduces on-site wiring time and labor costs while increasing fault resistance in live-panel environments. Application: Ideal for commercial meter stacks in new builds or retrofits requiring fast commissioning and dependable performance.Feature: Two sockets and a three-phase in, single-phase out configuration provide flexible metering for multi-branch loads. Business Impact: Improves monitoring granularity and enables staged load metering without extra assemblies. Application: Data centers, manufacturing lines, and multi-tenant facilities seeking precise submetering.Feature: NEMA 3R enclosure and UL Listed certification deliver outdoor durability and regulatory compliance. Business Impact: Enables outdoor installations with weather resistance and code compliance, reducing risk of water ingress and non-conformance penalties. Application: Exterior electrical rooms, outdoor panels, and weather-exposed equipment yards.Feature: Main feeder exit options (top, bottom, back) simplify integration with existing ductwork, hubs, or rainproof caps. Business Impact: Lowers retrofit complexity and enhances flexibility for facility upgrades. Application: Retrofit projects and new builds with varied enclosure layouts.Feature: Factory-installed breakers (one 350A and one 300A) shorten field wiring and ensure correct starter configurations. Business Impact: Accelerates commissioning, minimizes field error, and improves startup reliability. Application: Commercial/multi-load metering where ready-to-install configurations are preferred.Feature: Dimensions and weight (66.625 in L Ă— 19.375 in W Ă— 8.75 in H; 320 lb) support precise panel planning and safe handling. Business Impact: Facilitates accurate space planning, shipping, and crane/downstream installation considerations. Application: Panel design for distributed metering in industrial facilities.
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FAQs
The meter stack supports main feeders exiting from the top, bottom, or back, enabling flexible integration with existing ductwork and hubs. It features a 66.625 inch length, 19.375 inch width, and 8.75 inch height with 320 lb weight, making it suitable for both new installations and retrofit projects in commercial panels.
Yes. It is UL Listed and housed in a NEMA 3R enclosure, designed for rugged outdoor operation. For outdoor metering, it supports 120/240V single-phase and 208Y/120V network metering, and can be mounted with rainproof hubs when exiting the top.
The assembly is rated for 400A and comes with factory-installed breakers: one 350A and one 300A. Breaker compatibility depends on the specific MCB selected, allowing you to tailor protection to your feeder design while maintaining plug-in socket convenience.
The unit supports 120/240V single-phase and 208Y/120V network metering, with three-phase in and single-phase out. It uses a five-jaw plug-in socket with two sockets to accommodate multiple feeders or submetering arrangements in commercial facilities.
Download sources include Eaton’s specification sheet for 35MM240R1240C53, the Residential and Light Commercial Metering Products catalog, and the Selling Policy 25-000. Access URLs: the Eaton spec sheet, the metering products PDF, and the Selling Policy document listed in the product data.