Eaton 35MM240R124099 Meter Stack - UL Listed
Part Number: 35MM240R124099
Quick Summary
Eaton 35MM240R124099 meter stack is a plug-in socket solution for commercial 3-phase metering. It consolidates high-amp metering into a modular, easy-to-install unit suited for facilities teams that require accurate, reliable load monitoring. Engineers and procurement professionals often grapple with bulky meter stacks that limit installation flexibility, complicate upgrades, and extend project timelines. This UL Listed unit supports 208Y/120V networks and 120/240V systems, providing a safe, code-compliant foundation for commercial metering. With a 400A main and two installed 200A breakers, it accommodates growing service needs while maintaining a compact footprint. Its 66.625 in length, 19.375 in width, and 8.75 in height enable predictable space planning and faster field deployment, improving maintenance cycles and total cost of ownership.
Product Information
Extended Description
35MM240R124099 Eaton: Eaton 35MM commercial meter stack, 3-Phase Module, 400A, K-frame included secondary breaker, (2) 200A breakers installed, 400A socket, 208Y/120V, Ringless, Al 1200A bus, Lever bypass, Five-jaws, 2 sockets
Product Name
Eaton 35MM commercial meter stack
Catalog Number
35MM240R124099
UPC
786689212810
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
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 35MM240R124099
Feature: 3-Phase Module with a 400A main and two installed 200A breakers. Business Impact: enables high-load metering with room to grow, reducing future upgrade costs and project delays. Application: suitable for mid-size commercial complexes and retail centers facing growing electrical demand. Feature: Ringless aluminum 1200A bus with a lever bypass and five-jaws, two sockets. Business Impact: simplifies maintenance, enables faster fault isolation, and lowers downtime during servicing. Application: critical facilities where uptime is essential. Feature: Flexible feeder exit options (top, bottom, or back) and outdoor-ready options with rainproof cap and Myer hubs when exiting at the top. Business Impact: installation flexibility and robust outdoor performance, reducing enclosure customization. Application: outdoor meter installations for campuses and multi-building sites. Feature: Precise dimensions and weight (66.625 in L, 8.75 in H, 19.375 in W, 320 lb). Business Impact: predictable fit in standard meter rooms, streamlining layout planning and logistics. Application: facilities with constrained floor space and strict room layouts. Feature: UL Listed certification. Business Impact: ensures safety compliance and alignment with electrical codes, simplifying approvability. Application: regulated commercial environments where code compliance is mandatory.
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FAQs
The meter stack supports top, bottom, or back exit of main tenant feeders, providing flexible routing for conductors and easy integration into existing or new metering enclosures. For outdoor installations with top exit, use rainproof cap and Myer hubs as specified to maintain weather protection and compliance. This design reduces field wiring changes and speeds commissioning time.
It features a 3-Phase Module with a 400A main and two installed 200A branch breakers, 208Y/120V network metering, and 120/240V single-phase compatibility. The unit uses an aluminum 1200A bus with a ringless configuration, and its dimensions (66.625 in L x 8.75 in H x 19.375 in W) and 320 lb weight inform enclosure and room planning.
Yes, it is designed for versatile applications and can be mounted outdoors with appropriate weather protection. Catalog notes mention rainproof cap mounting for top-exit configurations and the use of Myer-type hubs in such installations, ensuring reliability and compliance in outdoor metering jobs.
The unit is UL Listed, providing essential safety certification and validation for electrical code compliance in commercial installations. While other certifications aren’t listed here, UL Listing is a primary factor in meeting regulatory requirements for metering equipment used in business facilities.
The 35MM240R124099 includes a ringless 1200A bus, lever bypass, and five-jaws with two sockets, which simplifies maintenance and reduces downtime during servicing. The modular 400A main plus two 200A breakers supports scalable metering, potentially lowering long-term total cost of ownership by reducing retrofit needs and speeding future upgrades.