Eaton 37MM240R1240C Commercial Meter Stack - UL Listed
Part Number: 37MM240R1240C
Quick Summary
Eaton commercial meter stack delivers compact metering for commercial facilities, enabling reliable power monitoring and distribution. Engineers frequently face installation bottlenecks, limited bus capacity, and balancing challenges that delay commissioning and raise risk. UL Listed safety certification supports compliant, safe operation on 208Y/120V three-phase systems, with factory phase balance features. Designed for rapid deployment in modern buildings, it integrates smoothly with existing Eaton metering products and utility-grade controls. By consolidating metering and distribution, it reduces field wiring, accelerates approvals, and improves site reliability for facility managers and owners.
Product Information
Extended Description
37MM240R1240C Eaton: 37MM-Three-Phase Commercial Meter Stack Modules, 400A, K-frame included secondary breaker, 400A socket, 208Y/120V, Ringless, Copper 1200A bus, Lever bypass, Seven-jaws, 2 sockets, Factory A-B phase balance
Product Name
Eaton commercial meter stack
Catalog Number
37MM240R1240C
UPC
786685481104
Product Length/Depth
49 in
Product Height
10 in
Product Width
26 in
Product Weight
98 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 - 37MM240R1240C
Feature — 400A amperage rating with two sockets and a lever bypass enables high-load metering in a single enclosure. Business Impact — reduces the need for separate switchgear, simplifies wiring, and shortens installation time, lowering labor costs and project risk. Application — ideal for commercial buildings and multi-tenant campuses where dual circuits require simultaneous monitoring and quick commissioning. Feature — Ringless cover paired with a copper 1200A bus improves accessibility and lower resistance connections, boosting safety and long-term performance. Business Impact — minimizes field wiring challenges and enhances fault tolerance in crowded electrical rooms. Application — suitable for service entrances and retrofit projects in office campuses. Feature — Includes a K-frame secondary breaker and lever bypass, reducing components and enabling streamlined setup. Business Impact — accelerates deployment and reduces procurement complexity. Application — effective in new builds and equipment upgrades. Feature — Factory A-B phase balance and 208Y/120V three-phase compatibility support precise load distribution. Business Impact — lowers commissioning time and improves energy management accuracy. Application — beneficial for multi-tenant properties with varying loading profiles. Feature — Overall footprint of 49 in L x 26 in W x 10 in H with 98 lb weight provides predictable space planning. Business Impact — enables clean integration into standard meter racks and service enclosures. Application — ideal for centralized service entrances and modular electrical rooms. Feature — UL Listed certification ensures safety compliance and market eligibility. Business Impact — supports regulatory approvals, customer confidence, and risk reduction. Application — essential in regulated commercial installations and utility interconnection points.
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FAQs
The 37MM240R1240C is designed for seamless integration with standard K-frame enclosures and existing Eaton metering modules. It features a 49 in length, 26 in width, and 10 in height footprint, two sockets, and a 400A rating with a lever bypass. This combination minimizes field wiring and retrofit effort while maintaining a clean, service-entrance-ready installation.
Key specifications include a 400A amperage rating, 208Y/120V three-phase service, two sockets, ringless cover, and a copper 1200A bus. It includes a secondary breaker in the K-frame and lever bypass, along with seven-jaws for secure conductor connections. The unit is UL Listed, ensuring safety compliance for commercial applications.
Yes. The 37MM240R1240C is tailored for multi-tenant and commercial facilities requiring reliable, balanced metering of dual circuits. Its phase balance capability (Factory A-B balance) helps maintain even loading across phases, reducing imbalance-related energy losses and simplifying utility reporting for property managers and operators.
The product is UL Listed, which confirms compliance with recognized safety standards for electrical equipment. This certification is critical for regulatory approvals, contractor confidence, and market eligibility in many commercial sectors, ensuring a safer, code-compliant installation and ongoing operation.
The product is covered under Eaton's warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. In addition, Eaton provides standard manufacturer support, datasheets, and specification sheets to assist with engineering, commissioning, and maintenance planning.