Eaton 37MM240R124025 Commercial Meter Stack - UL Listed
Part Number: 37MM240R124025
Quick Summary
Eaton commercial meter stack enables compact 3‑phase power metering and distribution for commercial facilities. When space is tight, upgrades and expansions can trigger costly field rewiring and downtime. This model carries UL Listed safety certification, with CE marking and IP-rated considerations common in many markets for rugged or outdoor installations. Designed for rapid installation and long‑term reliability, it supports a 400A rating, ringless cover, and lever bypass, while providing balanced phase configuration and factory-installed secondary breakers. Using this solution translates to smoother procurement, predictable lead times, and improved site safety across new builds and retrofits.
Product Information
Extended Description
37MM240R124025 Eaton: 37MM-3-Phase Commercial Meter Stack Modules, 400A, K-frame included secondary breaker, (1) 250A 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
37MM240R124025
UPC
782116995653
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
Eaton Specification Sheet - 37MM240R124025
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 400A amperage rating with two sockets and factory-installed breakers (250A and 350A), plus a 400A socket. Business Impact: Enables staged service and quick load growth without field rewiring, reducing capex and commissioning time. Application: Suitable for 3‑phase commercial facilities with evolving load profiles. Feature: Ringless cover, lever bypass, 208Y/120V supply, and a 1200A aluminum bus for robust current handling. Business Impact: Simplifies installation, enhances safety during maintenance, and minimizes arc-flash exposure with direct isolation paths. Application: Retrofit projects and new builds requiring clean aesthetics and accessible service points. Feature: Seven-jaws, two sockets, and factory A-B phase balance. Business Impact: Improves phase loading balance and metering accuracy, delivering reliable energy data and cost visibility. Application: Data centers, manufacturing lines, and healthcare facilities where precise power monitoring matters. Feature: Large physical footprint—66.625 in length, 19.375 in width, 8.75 in height, 320 lb weight—and UL Listed protection. Business Impact: Demands proper space planning but provides a rugged, compliant platform with proven safety certification. Application: Environments with dedicated service enclosures and controlled access. Feature: Factory documentation and warranty support under Eaton Selling Policy 25-000; includes specification sheet and warranty guidance. Business Impact: Streamlines procurement, reduces risk for installers, and aligns with maintenance planning. Application: Projects requiring documented support and predictable service commitments.
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FAQs
Plan for a dedicated service space that accommodates the unit's 66.625 in length, 19.375 in width, and 8.75 in height, with an approximate 320 lb weight. Ensure correct mounting clearance, access to both sockets, and room for the lever bypass. Follow UL wiring practices and specify appropriate enclosure protection for a safe, compliant installation.
Yes. This meter stack is designed to integrate with Eaton distribution products and 208Y/120V networks, featuring two sockets and factory-installed 250A and 350A breakers to support load growth. Confirm compatibility with downstream bus configurations, enclosure space, and wiring methods per UL guidelines to ensure seamless integration.
Key specs include a 400A amperage rating, 208Y/120V operation, a ringless cover, two sockets, and a 66.625 in length with a 320 lb weight. The aluminum 1200A bus supports robust current handling, and the lever bypass enhances safety during maintenance by providing a clear isolation path.
Confirm UL Listed certification for electrical safety, and consider regional expectations such as CE marking and IP ratings for outdoor or rugged installations. Also review the warranty terms under Eaton Selling Policy 25-000 and ensure you have the specification sheet to support procurement, commissioning, and long-term maintenance planning.
ROI derives from reduced field wiring needs, faster installation, and lower downtime during upgrades. The meter stack provides accurate metering and phase balance, improving energy management and cost visibility. Planned maintenance is simplified by manufacturer documentation and a clear warranty path, contributing to predictable lifecycle costs and enhanced facility reliability.