Eaton commercial meter stack 37MM240R124035 - UL Listed
Part Number: 37MM240R124035
Quick Summary
The Eaton commercial meter stack is a modular power distribution solution for three-phase commercial electrical feeders. Facilities and engineering teams often struggle with space constraints and integration complexity when deploying multi-breaker metering schemes. UL Listed safety certification backs its design, while the 400A amperage rating, 208Y/120V service, and aluminum 1200A bus support code-compliant operation and future load growth. Coupled with a compact footprint and a lever bypass, this unit aligns with project timelines and helps minimize field labor, installation risk, and total cost of ownership. By adhering to Eaton's specifications, it integrates seamlessly with existing metering and distribution hardware.
Product Information
Extended Description
37MM240R124035 Eaton: 37MM-3-Phase Commercial Meter Stack Modules, 400A, K-frame included secondary breaker, (1) 300A and (1) 350A breaker installed, 400A socket, 208Y/120V, Ringless, Al 1200A bus, Lever bypass, Seven-jaws, 2 sockets, Factory A-B phase balance
Product Name
Eaton commercial meter stack
Catalog Number
37MM240R124035
UPC
782116995691
Product Length/Depth
66.625 in
Product Height
8.75 in
Product Width
19.375 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
Number of sockets
2
Amperage Rating
400A
Cover
Ringless
Feature: Modular three-phase meter stack with 400A rating and 208Y/120V service. Business Impact: Enables scalable, code-compliant power distribution for commercial facilities while reducing panel footprint and wiring complexity. Application: office buildings, retail campuses, and multi-tenant environments seeking reliable revenue metering. Feature: Ringless cover and lever bypass with seven-jaws. Business Impact: simplifies maintenance and enhances safety during service work. Application: quick ringless access during metering upgrades or fault isolation. Feature: K-frame secondary breaker included. Business Impact: improves fault protection and coordination without extra components. Application: high-availability commercial installations with critical loads. Feature: Aluminum 1200A bus and factory A-B phase balance. Business Impact: supports load growth and reduces neutral current, improving voltage balance. Application: data rooms, engineering facilities, and light-industrial applications. Feature: Two sockets and a 400A socket arrangement. Business Impact: streamlines metering for dual-circuit or split-load configurations, reducing installation time. Application: commercial feeders needing flexible, two-circuit metering. Feature: Dimensions and weight (66.625 in L x 8.75 in H x 19.375 in W; 320 lb). Business Impact: predictable space planning and mounting, easier handling on site. Application: warehouse, campus, or multi-building deployments. Features are backed by UL Listed certification and Eaton support, ensuring compliance and long-term serviceability.
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FAQs
The 37MM240R124035 is designed for seamless integration within Eaton’s portfolio, featuring two sockets, a 400A service configuration, a ringless cover for easier access, and a K-frame secondary breaker. It complements existing Eaton meters and distribution modules, reducing field wiring complexity and enabling straightforward upgrades in three-phase commercial installations.
Key specifications include a 400A amperage rating, 208Y/120V service, aluminum 1200A bus for future expansion, and a ringless cover for safer maintenance access. The unit uses a two-socket configuration with a 66.625 in length, 8.75 in height, and 19.375 in width, making it suitable for compact commercial meter banks.
Yes. Its three-phase 208Y/120V service, robust 400A rating, and aluminum bus support high-demand commercial loads typical of offices, retail campuses, and multi-tenant facilities. The factory A-B phase balance helps optimize voltage distribution, while the lever bypass and secondary breaker enhance service continuity and safety during maintenance.
The product is UL Listed, which confirms compliance with recognized safety standards for electrical equipment. This certification provides assurance for installation in regulated environments and supports safer commissioning, consistent performance, and alignment with code requirements for commercial power distribution.
The unit measures 66.625 inches in length, 8.75 inches in height, and 19.375 inches in width, with an approximate weight of 320 pounds. Plan for adequate floor space, structural mounting, and clear access for ringless maintenance. The design includes a lever bypass and a K-frame secondary breaker to simplify ongoing service and future upgrades.