Eaton commercial meter stack 37MM240R124032 - UL Listed
Part Number: 37MM240R124032
Quick Summary
Eaton commercial meter stack is a ready-to-install, 400A three-phase metering solution for commercial facilities. This unit reduces wiring complexity and footprint, addressing space constraints and field wiring challenges that slow upfits. UL Listed safety validation provides confidence for inspections and code compliance in busy commercial environments. It ships with a 400A socket and includes a 300A and a 250A breaker installed, plus a 208Y/120V service to support scalable load management. The design features a ringless enclosure and lever bypass for safe maintenance, with a 1200A Al bus and seven-jaws to simplify fault isolation. Compatible with Eaton components, it delivers reliable, easy-to-service metering for modern facilities.
Product Information
Extended Description
37MM240R124032 Eaton: 37MM-3-Phase Commercial Meter Stack Modules, 400A, K-frame included secondary breaker, (1) 300A and (1) 250A 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
37MM240R124032
UPC
782116995660
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
Feature: 400A socket with factory-installed 300A and 250A breakers. Business Impact: Reduces field wiring, mitigates miswirings, and speeds panel assembly, cutting installation time and labor costs. Application: Especially beneficial for new commercial builds and retrofits where quick, code-compliant metering is required. Feature: Ringless, lever-bypass enclosure with seven-jaws. Business Impact: Enhances safety during maintenance and minimizes disruption by simplifying access and fault isolation. Application: Office complexes and retail centers where uptime matters. Feature: 208Y/120V service and 1200A aluminum bus. Business Impact: Supports scalable load management and robust fault current handling. Application: mid-rise buildings and data centers. Feature: UL Listed certification and Eaton warranty. Business Impact: Provides regulatory confidence and post-sale support, reducing risk during inspections. Application: ensures compliance across sites. Feature: Compact footprint (66.625 in L x 19.375 in W x 8.75 in H) and 320 lb weight. Business Impact: Saves floor space and enables installation in constrained rooms. Application: mechanical rooms and service corridors.
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FAQs
The unit ships with factory-installed 300A and 250A breakers and a 400A socket, designed to integrate with standard Eaton metering and distribution components. Its K-frame secondary breaker setup supports common Eaton accessories, enabling straightforward field upgrades and consistent performance across Eaton-based switchgear.
Plan for a footprint of 66.625 in length, 19.375 in width, and 8.75 in height with an approximate weight of 320 lb. The ringless cover and lever bypass are designed for safe servicing, while the 208Y/120V service supports typical commercial distribution layouts. Ensure access space for maintenance and wiring terminations per local codes.
Yes. It is a 400A, two-socket, 208Y/120V metering stack with UL Listed protection, designed to maximize space efficiency and simplify metering in high-demand commercial facilities. The included breakers and 1200A bus support scalable load management, which aligns well with data centers and retail spaces requiring dependable power distribution with easy maintenance.
The unit is UL Listed, meeting recognized safety and performance standards for electrical assemblies. This certification supports code compliance during inspections and simplifies approval processes for new installations and retrofit projects within commercial facilities.
Projected ROI comes from reduced field wiring, accelerated installation, and fewer on-site wiring errors due to factory-installed breakers. Lever bypass and a ringless design minimize service disruption, while UL Listed certification reduces inspection risk. Overall, customers typically see shorter project timelines and lower ongoing maintenance costs.