Eaton 37MM240R124094 Commercial Meter Stack - UL Listed
Part Number: 37MM240R124094
Quick Summary
Eaton commercial meter stack is a high-capacity power distribution module for metering and secondary protection in industrial facilities. Operators and engineers struggle with managing multiple breaker configurations and bus routing in large commercial power stacks. UL Listed safety certification ensures compliance with electrical standards in metering assemblies. Designed for fast installation and scalable to growing loads, it supports reliable metering and protection across distributed facilities. Its 3-phase module, 400A rating, and 208Y/120V capability align with retrofit projects and new builds alike. Two sockets, a ringless cover, and integrated bypass provide flexible configurations with reduced install time. In short, it enables faster deployment, safer operation, and easier maintenance for commercial and light industrial sites.
Product Information
Extended Description
37MM240R124094 Eaton: Eaton commercial meter stack, 37MM-3-Phase Module, 400A, K-frame included secondary breaker, (1) 200A and (1) 400A breaker installed, 400A socket, 208Y/120V, Ringless, Al 1200A bus, Lever bypass, Seven-jaws, 2 sockets
Product Name
Eaton commercial meter stack
Catalog Number
37MM240R124094
UPC
786689061814
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 - 37MM240R124094
Feature: High-capacity 400A 3-phase module. Business Impact: Handles large electrical loads within a compact stack, reducing the number of separate panels and associated wiring runs. Application: Suitable for mid- to large-size commercial facilities and light industrial installations that require scalable metering and protection in a single assembly. Feature: Dual-socket configuration with one 200A and one 400A installed. Business Impact: Enables staged load management and smoother commissioning with room for future expansion. Application: Ideal for facilities transitioning from smaller service sizes to higher demand without overhauling the entire distribution scheme. Feature: Ringless cover with lever bypass and seven-jaws. Business Impact: Improves maintenance accessibility, minimizes downtime during servicing, and simplifies fault isolation. Application: Useful in edgemost installations where service continuity is critical. Feature: Aluminum 1200A bus and robust mechanical design. Business Impact: Delivers high current capacity with durable, corrosion-resistant bus components, extending service life in harsh environments. Application: Performs reliably in industrial environments with demanding duty cycles. Feature: Pre-installed secondary breaker (K-frame) and integrated protection. Business Impact: Reduces field labor and parts sourcing, accelerating project timelines and lowering installation risk. Application: Fits Eaton ecosystems and reduces on-site configuration complexity. Feature: 208Y/120V service support and 66.625 in length with a 19.375 in width and 8.75 in height. Business Impact: Defined footprint simplifies planning, procurement, and retrofit installations in constrained spaces. Application: Manufacturing plants, data centers, and commercial facilities needing precise geometry and compatibility. Feature: UL Listed certification and Eaton warranty policy. Business Impact: Provides safety compliance confidence and a standardized service window for maintenance planning. Application: Essential for regulated projects and facilities requiring traceable manufacturer support.
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FAQs
The Eaton 37MM240R124094 is a 400A, 3‑phase meter stack designed for straightforward integration with 208Y/120V systems. Verify clearance and mounting alignment for the 66.625 inch depth, 19.375 inch width, and 8.75 inch height footprint. Utilize the ringless cover and lever bypass to simplify safe commissioning, and connect the two sockets with appropriate feeders while respecting UL Listed installation guidelines.
This meter stack is rated for 400A with a 208Y/120V service. It features two sockets (one 200A and one 400A installed) and an Al 1200A bus, providing a robust, scalable path for metering and secondary protection. The 37MM240R124094 is designed for 3-phase applications and supports 3‑phase metering integration within commercial or light industrial facilities.
Yes. The 37MM240R124094 is described as a 37MM-3-Phase Module suitable for commercial and light industrial power distribution. It accommodates 208Y/120V service and provides a 400A rating, making it a strong fit for facilities needing consolidated metering and protection in a single assembly, with room for growth.
The unit is UL Listed, which confirms conformance to recognized electrical safety standards for meter stacks and related components. This certification supports compliance in regulated environments and simplifies procurement for projects requiring validated safety assurances.
Warranty details follow Eaton's policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This provides a predictable support window for commissioning and early maintenance. The UL Listed certification and robust build also contribute to lower lifecycle costs by reducing downtime and maintenance events.