Eaton commercial meter stack 37MM240R124049 - UL Listed
Part Number: 37MM240R124049
Quick Summary
The Eaton commercial meter stack is a modular, 3-phase power distribution solution for commercial facilities. Engineers often struggle with space, wiring complexity, and downtime when expanding metering. UL Listed certification ensures safety and compatibility for commercial power systems. This unit combines a robust metering capability with configurable breakers and a compact footprint, enabling faster installation, easier maintenance, and ongoing compliance for facility upgrades, data centers, and manufacturing floors. By using a ringless cover, lever bypass, and an aluminum bus design, it minimizes service disruption and supports scalable growth while meeting industry standards. Eaton's warranty and service policies further reduce total cost of ownership for critical power systems.
Product Information
Extended Description
37MM240R124049 Eaton: Eaton commercial meter stack, 37MM-3-Phase Module, 400A, K-frame included secondary breaker, (1) 400A and (1) 200A breaker installed, 400A socket, 208Y/120V, Ringless, Al 1200A bus, Lever bypass, Seven-jaws, 2 sockets
Product Name
Eaton commercial meter stack
Catalog Number
37MM240R124049
UPC
786689061777
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 - 37MM240R124049
Feature 400A amperage rating with dual breakers installed → Business Impact More efficient load handling and reduced need for multiple enclosures, lowering footprint and installation time → Application Suitable for mid- to large-size commercial facilities with balanced and unbalanced three-phase loads. Feature 208Y/120V three-phase capability → Business Impact Enables direct integration with common building electrical systems, simplifying panelboard coordination and protection strategies → Application Best for office campuses, data centers, and healthcare facilities with mixed lighting and equipment loads. Feature Ringless cover and lever bypass → Business Impact Improves serviceability and reduces downtime during metering maintenance or upgrade cycles → Application Ideal for facilities requiring quick, reliable metering access without interrupting essential services. Feature Aluminum 1200A bus and 320 lb construction → Business Impact Delivers high reliability and durable performance under frequent maintenance cycles and hot-swappable configurations → Application Suitable for retrofit projects in retrofit-ready electrical rooms. Feature 66.625 in length, 19.375 in width, 8.75 in height and K-frame with secondary breaker → Business Impact Provides a compact yet robust footprint with ready-to-install mounting compatibility → Application Perfect for space-constrained electrical rooms while accommodating future expansion. Feature 2 sockets, ringless cover, and 400A/200A installed breakers → Business Impact Simplifies expansion and service with pre-installed configurations, reducing field wiring complexity → Application Supports scalable metering for growing commercial operations.
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FAQs
The 37MM240R124049 is designed for compatibility with modular, 3-phase metering configurations typical in commercial spaces. It supports 208Y/120V service and uses a ringless cover with lever bypass for faster commissioning. When upgrading, verify mounting clearances and bus compatibility with the existing K-frame architecture to minimize field modifications.
Key specs include a 400A amperage rating, two sockets (one 400A and one 200A installed), 208Y/120V three-phase service, dimensions of 66.625 in length, 8.75 in height, and 19.375 in width, with a weight of roughly 320 lb. It features a ringless cover, lever bypass, and an aluminum 1200A bus, and is UL Listed.
Yes. Its 400A three-phase capability, UL Listed safety certification, and scalable 2-socket design make it appropriate for data centers, healthcare campuses, and other facilities with substantial metering and protection needs. The lever bypass aids maintenance without disrupting critical loads, supporting uptime requirements in sensitive environments.
The product carries UL Listed certification, which confirms safety and electrical compatibility for commercial metering installations. This helps facilities demonstrate code compliance during audits and simplifies integration with building management systems, while aligning with standard industry safety practices for commercial power distribution.
The dual-breaker setup, space-efficient footprint, and ringless cover reduce installation time and on-site labor. Leveraging pre-installed breakers simplifies future upgrades, while the robust aluminum bus and lever bypass minimize downtime during service, contributing to lower lifecycle maintenance costs and improved total cost of ownership.