Eaton 35MM240R1240C29 Commercial Meter Stack - UL Listed
Part Number: 35MM240R1240C29
Quick Summary
Eaton 35MM240R1240C29 is a commercial meter stack for three-phase metering in commercial facilities. Installers often contend with tight spaces, wiring complexity, and the need for rapid, compliant commissioning; this unit offers flexible entry exits and a robust three-phase design to streamline installation. UL Listed, it meets essential safety standards while supporting 208Y/120V networks and dual 120/240V configurations, helping ensure reliable performance across mixed loads. The solution translates into measurable business value by reducing field wiring time, improving metering accuracy, and enabling scalable power management for growing facilities. By accommodating top, bottom, or back feeder exits and rainproof hub options for outdoor installations, it adapts to retrofit projects and new builds alike. With ringless copper bus and lever bypass, it delivers dependable fault isolation and long service life.
Product Information
Extended Description
35MM240R1240C29 Eaton: Eaton 35MM commercial meter stack, 3-Phase Module, 400A, K-frame included secondary breaker, (1) 250A and (1) 200A breaker installed, 400A socket, 208Y/120V, Ringless, Cu 1200A bus, Lever bypass, Five-jaws, 2 sockets
Product Name
Eaton 35MM commercial meter stack
Catalog Number
35MM240R1240C29
UPC
786689166007
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 - 35MM240R1240C29
Feature plug-in socket design → Business Impact faster installation, easier maintenance, and quicker part replacement in dense electrical rooms → Application ideal for commercial metering cabinets where space is at a premium and uptime is critical. Feature three-phase in, single-phase out with 400A rating → Business Impact supports large load centers while maintaining precise metering for multi-tenant facilities → Application suitable for 208Y/120V networks and 120/240V configurations in mixed-use buildings. Feature five-jaw, two sockets → Business Impact increases connection flexibility and fault isolation, reducing wiring errors and downtime → Application in mid-level commercial installations needing reliable, scalable metering sockets. Feature copper bus (Cu 1200A) with ringless design → Business Impact enhances current carrying capacity and reduces voltage drop in long feeders → Application in high-demand environments like data centers or manufacturing spaces. Feature lever bypass and Myer hub-ready rainproof options → Business Impact simplifies maintenance and outdoor deployment, lowering service visits and weather-related risks → Application for outdoor meter stacks on industrial sites or exterior-rated enclosures. This combination delivers installation efficiency, compliance confidence, and long-term operational savings for Eaton meter stack users.
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FAQs
The unit provides a three-phase in, single-phase out configuration with a 400A rating, compatible with 208Y/120V networks and 120/240V systems. It features two sockets and a five-jaw plug-in design, making it suitable for commercial metering cabinets that require flexible phase arrangements and reliable fault isolation.
Main tenant feeders can exit top, bottom, or back, which simplifies retrofits and new installations in space-constrained rooms. For outdoor use, rainproof Myer-type hubs can be mounted on the cap. This flexibility reduces conduit runs, accelerates commissioning, and supports efficient cabinet layout planning.
Yes. The meter stack is UL Listed, meeting essential safety standards for commercial metering equipment. This certification provides confidence for inspectors and operators, ensuring adherence to established safety practices in metering installations.
Dimensions are 66.625 inches in length, 19.375 inches in width, and 8.75 inches in height, with an estimated weight of 320 pounds. These specs inform enclosure size, rack clearance, and handling requirements, while the 400A bus and copper conductor design support robust power distribution in dense installations.
Lever bypass facilitates quick fault isolation during service, while the ringless copper 1200A bus reduces voltage drop and improves reliability. Compatibility with quick-exit configurations and modular breakers lowers commissioning time, ultimately delivering reduced maintenance costs and faster time-to-value for commercial metering projects.