Eaton 37MM240R1240C45 commercial meter stack - UL Listed
Part Number: 37MM240R1240C45
Quick Summary
Eaton 37MM240R1240C45 commercial meter stack provides ready-to-install metering and distribution for 3-phase commercial panels. Facility teams often struggle with flexible entry exits, space constraints, and lengthy field wiring during upgrades. UL Listed safety certification ensures compliance with electrical safety standards, while the unit supports 208Y/120V and 120/240V metering networks to fit today’s commercial feeders. This design reduces installation time, simplifies maintenance, and lowers lifecycle costs by delivering a plug‑in socket system, lever bypass, and modular bus architecture. With top-, bottom-, or back-exit options and rugged copper/aluminum bus, it supports scalable meters for multi-tenant buildings and data centers, boosting reliability and operational efficiency.
Product Information
Extended Description
37MM240R1240C45 Eaton: Eaton commercial meter stack, 37MM-3-Phase, 400A, Copper Bus, K-frame (1) 400A 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
37MM240R1240C45
UPC
786689213251
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
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 37MM240R1240C45
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Plug-in socket design enables rapid commissioning and easier field servicing. Business impact: Reduces install time and downtime, improving project timelines and startup costs. Application: Ideal for new commercial panels and retrofit metering where quick plug-in connections are required. Long-tail keywords: plug-in socket, commercial meter stack, 3-phase metering. Feature: 400A service with a 400A socket and pre-installed 400A and 300A breakers. Business impact: Supports heavy commercial loads with minimal add-ons, lowering total installed cost and improving short-circuit robustness. Application: Utility-grade metering in large office buildings and retail centers. Long-tail keywords: high-current metering, 400A service, pre-installed breakers. Feature: Copper bus with ringless aluminum 1200A bus. Business impact: Enhances current capacity while reducing magnetic losses and fault propagation risk. Application: Heavy-duty power distribution for medium-to-large facilities. Long-tail keywords: copper bus, ringless bus, 1200A capacity. Feature: Lever bypass, seven-jaws, two sockets. Business impact: Improves service continuity during maintenance and simplifies future expansions. Application: Critical facilities like data centers and hospitals. Long-tail keywords: lever bypass, seven-jaws, two sockets. Feature: Flexible exit options and rainproof hub compatibility for outdoor use. Business impact: Enables top, bottom, or back exits and outdoor installations without costly enclosure changes. Application: Outdoor electrical rooms and rooftop panels. Long-tail keywords: top exit, rainproof hub, outdoor meter stack. Feature: Dimensions and weight indicate substantial capacity and robust construction (66.625 in L, 8.75 in H, 19.375 in W, 320 lb). Business impact: Planed fitment in larger meter enclosures and accurate space budgeting. Application: Installation planning for commercial buildings and data centers. Long-tail keywords: meter stack dimensions, 320 lb unit, heavy-duty metering.
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FAQs
The meter stack supports main tenant feeders exiting top, bottom, or back. For outdoor installations, rainproof hubs are recommended, and outdoor top exit can be used with Myer-type hubs. This flexibility simplifies cabinet design and reduces retrofits when layouts change.
Yes. It is engineered for 3-phase, 400A service with a plug-in socket configuration, factory-installed 400A and 300A breakers, and copper bus with a ringless aluminum 1200A bus, delivering reliable metering for demanding commercial loads.
Plan for lever bypass accessibility and the seven-jaw, two-socket arrangement to simplify maintenance and future expansions. The UL Listed certification provides ongoing compliance with electrical safety standards, supporting long-term reliability in commercial environments.
This unit is UL Listed, indicating conformance with recognized safety standards for electrical equipment. UL Listing helps ensure safe operation in commercial installations and supports procurement requirements and regulatory compliance.
Key specs include 400A service, 208Y/120V and 120/240V metering capabilities, copper bus with a 1200A aluminum bus, top/bottom/back exit options, plug-in socket type, and dimensions of 66.625 in length, 8.75 in height, 19.375 in width with a 320 lb weight. These guide enclosure clearance and load planning.