Eaton 37MM240R124059 Commercial Meter Stack - UL Listed
Part Number: 37MM240R124059
Quick Summary
37MM240R124059 is a commercial meter stack designed for three-phase service in industrial facilities. Engineers often struggle with space constraints, wiring complexity, and coordinating multiple breakers during upgrades. This unit carries UL Listed certification for safety and reliability, with 208Y/120V service compatibility and a 400A rating. The dual sockets and factory-installed secondary breakers reduce field parts and installation time, while the ringless cover and robust Al 1200A bus support durable, low-maintenance operation. By delivering a compact footprint with proven metering capabilities, Eaton’s meter stack helps drive faster commissioning, improved code compliance, and scalable power distribution for commercial and light industrial projects.
Product Information
Extended Description
37MM240R124059 Eaton: Eaton commercial meter stack, 37MM-3-Phase Module, 400A, K-frame included secondary breaker, (1) 350A 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
37MM240R124059
UPC
786689061784
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 - 37MM240R124059
Selling Policy 25-000 - Distribution and Control Products and Services
Feature 400A amperage rating → Business Impact Higher capacity for demanding loads reduces the need for service upgrades and supports scalable power distribution in large facilities. Application Suitable for light industrial feeders and commercial buildings requiring robust three-phase metering without frequent equipment changes. Long-tail keywords integrated: 3-phase metering, high-capacity meter stack, commercial power distribution. Feature Two sockets with one 350A and one 200A secondary breaker installed → Business Impact Cuts field wiring and components, accelerating install times and reducing on-site labor costs. Application Ideal for main feeders with separate subcircuits and quick commissioning in data centers and office campuses. Long-tail keywords: pre-wired secondary breakers, metering product set, switchgear integration. Feature Ringless cover → Business Impact Easier maintenance and faster access during metering upgrades or routine checks, reducing downtime. Application Best suited for retrofit projects and space-constrained installations in retrofit-heavy facilities. Long-tail keywords: ringless cover metering, easy access enclosure, serviceability. Feature 208Y/120V operation and aluminum 1200A bus → Business Impact Ensures compatibility with common utility service voltages and durable current carrying capability, improving reliability and lifespan. Application Suitable for US commercial power systems and harsh environments where corrosion resistance matters. Long-tail keywords: 208Y/120V metering, aluminum bus, high current bus. Feature Factory-installed secondary breakers and UL Listed certification → Business Impact Simplifies compliance and reduces field assembly risk, with formal safety certification supporting regulatory audits. Application Streamlined procurement for contractors and OEMs needing ready-to-install metering solutions. Long-tail keywords: UL Listed metering, compliant metering stack, warranty-backed equipment.
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FAQs
This meter stack supports 208Y/120V three-phase service with a 400A rating and includes two sockets plus factory-installed secondary breakers. Installers should verify alignment with compatible bus and enclosure dimensions (66.625 in L, 19.375 in W, 8.75 in H) and ensure adequate space for the ringless cover and lever bypass components.
The unit is UL Listed, providing recognized safety certification for electrical equipment. This helps with regulatory compliance in most North American markets and supports code conformity during inspections and audits.
Yes. It is designed for 3-phase service with a 400A rating, 208Y/120V operation, and a two-socket configuration backed by aluminum 1200A bus, making it well-suited for commercial metering and feeder distribution.
Dimensions are 66.625 inches in length, 19.375 inches in width, and 8.75 inches in height, with a weight of approximately 320 lb, enabling a substantial yet manageable footprint for dedicated metering rooms.
Access the Eaton specification sheet, the Residential and Light Commercial metering catalogs, and the Selling Policy 25-000 via the provided links: Eaton Specification Sheet for 37MM240R124059, Residential and Light Commercial Metering Products Volume 1 Tab 4, and Selling Policy 25-000.