Eaton 37MM240R1240C23 Meter Stack - UL Listed

Part Number: 37MM240R1240C23
Manufacturer
Eaton
Part number
37MM240R1240C23

Quick Summary

Eaton 37MM240R1240C23 meter stack is a plug-in 3-phase metering solution for commercial facilities. Facility managers often wrestle with phase balance, wiring complexity, and visibility across multi-tenant spaces. UL Listed certification ensures safety and code compliance for commercial metering; the unit supports 208Y/120V network metering and 120/240V single-phase configurations. This combination of copper bus, ringless design, and flexible exit options enables faster installations, easier service, and clearer energy data for utilities and building owners. For procurement teams, it translates to reduced field labor, standardized configurations across sites, and reliable upgrade paths as energy programs evolve.

Product Information

Extended Description

37MM240R1240C23 Eaton: Eaton commercial meter stack, 37MM-3-Phase, 400A, Copper Bus, K-frame (1) 250A and (1) 300A breaker installed, 400A socket, 208Y/120V, Ringless, Al 1200A bus, Lever bypass, Seven-jaws, 2 sockets, Factory A-B phase balance
Product Name
Eaton 35MM commercial meter stack
Catalog Number
37MM240R1240C23
UPC
786689213169
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
Feature → Plug-in socket design for the Eaton 37MM240R1240C23 meter stack enables rapid maintenance and minimizes downtime by allowing quick module replacement without full enclosure disassembly. Business impact → Lower maintenance costs and higher system availability in commercial metering environments. Application → Ideal for multi-tenant commercial properties and office campuses where uptime matters and service windows are tight. Feature → 400A current rating in a 3-phase configuration with 208Y/120V network metering supports high-load commercial applications. Business impact → Enables accurate monitoring of large electrical loads while staying within a compact form factor. Application → Suitable for retail centers, data centers, and mixed-use facilities requiring robust energy measurement. Feature → Copper bus with ringless design, lever bypass, seven-jaws, and two sockets delivers robust electrical contact and easier field service. Business impact → Improves reliability, simplifies fault isolation, and reduces field maintenance time. Application → Critical in complex metering installations where quick access and dependable connections are essential. Feature → Factory A-B phase balance ensures correct phase alignment, reducing current imbalance and improving energy measurement accuracy. Business impact → Enhances utility bill accuracy and supports better energy management programs. Application → Building management systems and energy dashboards in commercial campuses rely on balanced phase data. Feature → Outdoor-ready options with rainproof cap and Myer-type hubs for weather exposure extend installations beyond controlled enclosures. Business impact → Expands deployment to exterior metering points without compromising protection. Application → Outdoor meter stacks at loading docks, exterior mechanical rooms, and exterior-rated enclosures benefit from proven weatherproofing.

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FAQs

The 37MM240R1240C23 meter stack supports multiple feeder exit configurations, including top, bottom, or back exits for main tenant feeders. It is designed for plug-in socket metering with a K-frame enclosure, and outdoor installations can utilize rainproof Myer-type hubs. This flexibility reduces site rework and allows clean, code-compliant wiring in varied cabinet layouts.
Key specifications include a 400A service rating and a 3-phase configuration with 208Y/120V network metering, plus 120/240V single-phase capabilities. The copper bus and ringless design support safe, efficient power distribution, while the lever bypass and seven-jaws provide reliable fault isolation and serviceability in commercial metering installations.
Yes, the unit is suitable for outdoor use when equipped with rainproof hubs. Catalog notes recommend mounting Myer-type hubs on the rainproof cap for outdoor applications. This capability allows exterior metering deployments at loading docks or exterior enclosures without compromising safety or performance.
The Eaton 37MM240R1240C23 carries UL Listed certification, ensuring adherence to recognized safety and performance standards for commercial metering. This certification supports compliance with common electrical codes and reduces qualification time for utility interconnection, building codes, and installation acceptance in most commercial settings.
Maintenance benefits include reduced downtime due to plug-in socket design, simplified module replacement, and straightforward field servicing with accessible components. ROI comes from faster installations, lower labor costs during upgrades or relocations, improved energy visibility for demand management, and dependable performance across outdoor and indoor metering applications.