Eaton 37MM240R124092 Commercial Meter Stack - UL Listed
Part Number: 37MM240R124092
Quick Summary
The Eaton commercial meter stack provides 400A 3-phase metering for efficient commercial power distribution. For engineers upgrading legacy panels, space constraints and installation complexity often delay projects. UL Listed certification ensures safe operation, with a ringless cover and a robust 1200A aluminum bus for dependable service. By combining reliable metering with flexible installation and integrated breakers, this module supports faster commissioning and compliant performance in commercial facilities.
Product Information
Extended Description
37MM240R124092 Eaton: Eaton commercial meter stack, 37MM-3-Phase Module, 400A, K-frame included secondary breaker, (1) 200A and (1) 250A breaker installed, 400A socket, 208Y/120V, Ringless, Al 1200A bus, Lever bypass, Seven-jaws, 2 sockets
Product Name
Eaton commercial meter stack
Catalog Number
37MM240R124092
UPC
786689061791
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
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 37MM240R124092
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 400A amperage rating with two installed sockets (one 200A and one 250A). Business Impact: Supports heavy load distribution without requiring multiple separate enclosures, reducing equipment count and cabinet footprint. Application: Ideal for large commercial spaces needing robust metering and switching in a single module. The system shortens project schedules by enabling ready-to-use configurations and faster field wiring. Long-tail keywords: 400A commercial metering, three-phase meter stack, integrated breakers. Feature: 208Y/120V operation with a ringless cover and lever bypass. Business Impact: Simplifies safe maintenance and rapid bypass during service, minimizing downtime. Application: Service entrances and main distribution panels requiring fast access and reliable protection. Long-tail keywords: ringless meter cover, lever bypass, 208Y/120V metering. Feature: Al 1200A bus and 7-jaws with a 66.625 in L x 19.375 in W x 8.75 in H footprint and 320 lb weight. Business Impact: Efficient space planning and bus stability for continuous operation; installation fits standard commercial racks. Application: Retrofit projects and new-build metering enclosures. Long-tail keywords: 1200A bus, 7-jaws, commercial meter enclosure. Feature: Built-in secondary protection via K-frame with a 400A socket and existing 200A/250A breakers. Business Impact: Reduces field hardware needs and strengthens fault isolation in critical power paths. Application: Main distribution and sub-metering in multi-tenant facilities. Long-tail keywords: secondary breaker, K-frame, built-in protection. Feature: UL Listed certification and Eaton warranty policy. Business Impact: Provides safety assurance and documented post-install support, lowering risk and total cost of ownership. Application: Compliance-driven projects in regulated environments. Long-tail keywords: UL Listed metering products, Eaton warranty policy.
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FAQs
Plan for the full 66.625 inch depth and 19.375 inch width, with an 8.75 inch height enclosure and a total weight of 320 lb. Mount the unit in a suitable cabinet or rack, ensure clearance for the ringless cover, and connect the two installed breakers (200A and 250A) to the 400A service socket. Verify UL Listed compliance during final wiring and secure the lever bypass for service flexibility.
The unit features a 400A amperage rating, operates at 208Y/120V, includes two sockets (one 200A and one 250A installed), and uses a 400A socket with an Al 1200A bus. It has seven jaws and a ringless cover, all designed to streamline installation in commercial power distribution environments.
Yes. Its 3-phase, 208Y/120V configuration and 400A service capacity make it well suited for main distribution panels and retrofit metering in commercial buildings. The built-in breakers and ringless design support rapid deployment, while UL Listed certification provides safety compliance for regulated applications.
The meter stack is UL Listed, indicating it has been tested for safety and reliability in line with recognized standards. This certification helps ensure compliance with safety regulations in commercial metering projects and supports audit-ready documentation for facility approvals.
The unit is covered under Eaton Selling Policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This warranty, combined with Eaton's technical support, provides assurance for commissioning, field maintenance, and long-term reliability.