Eaton commercial meter stack 37MM240R1240C99 - UL Listed
Part Number: 37MM240R1240C99
Quick Summary
Eaton commercial meter stack reliably consolidates 3-phase metering for heavy-duty facilities. Engineers often struggle with space constraints, wiring complexity, and coordinating metering with distribution gear. UL Listed safety certification underpins dependable performance, while Eaton warranty terms offer clear long-term support. This solution supports scalable power management through copper bus, lever bypass, and factory A-B phase balance, delivering faster installation and safer operation. By integrating 400A service with two sockets in a compact footprint, it reduces field fabrication and simplifies maintenance while ensuring reliable energy monitoring for commercial and industrial networks. Its 66.625 in length and 320 lb weight reflect a rugged, field-ready solution designed for service entrances, data centers, and manufacturing plants.
Product Information
Extended Description
37MM240R1240C99 Eaton: Eaton commercial meter stack, 37MM-3-Phase, 400A, Copper Bus, K-frame (2) 200A breakers 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
37MM240R1240C99
UPC
786689064273
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 - 37MM240R1240C99
Two sockets and a 400A socket with factory installed two 200A breakers deliver plug-and-play power paths, cutting field wiring and commissioning time. The copper main bus path offers low resistance and high reliability, improving voltage regulation and energy accuracy in heavy-load environments. Copper main bus combined with an aluminum 1200A bus enables both high-conductivity power paths and scalable expansion without rework. The lever bypass and seven-jaws design simplify maintenance and fault isolation, reducing downtime and the risk of hot-work during servicing. A ringless cover improves safety during inspections and minimizes dust ingress, while the unit’s 208Y/120V three-phase capability matches common commercial loads. At 66.625 in long, 8.75 in high, and 19.375 in wide with a 320 lb weight, the stack is designed for service entrances where space is at a premium yet robustness is essential. UL Listed certification plus Eaton warranty terms provide regulatory confidence and predictable support, compatible with Eaton metering accessories and Power Management & Distribution practices.
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FAQs
The 37MM240R1240C99 is designed for 3-phase 208Y/120V service environments and is well suited for service entrances in commercial buildings, data centers, and manufacturing plants. Its 400A capacity with two sockets and factory-installed 200A breakers support immediate load paths, while the copper/aluminum bus configuration enables scalable deployment across growing electrical distributions. This unit integrates smoothly with Eaton’s metering accessories and power management ecosystem, reducing field wiring complexity and enabling faster, safer commissioning.
Key specifications include catalog number 37MM240R1240C99, UPC 786689064273, 66.625 in length, 8.75 in height, 19.375 in width, and 320 lb weight. It is a 3-phase 400A metering stack with two sockets and a 400A socket, copper main bus, aluminum 1200A bus, 208Y/120V service, ringless cover, lever bypass, seven-jaws, and factory A-B phase balance. It carries UL Listed certification and a one-year through eighteen-month Eaton warranty window.
The lever bypass enables quick, safe isolation of circuits for servicing without needing to disconnect load paths, which reduces downtime and minimizes exposure to live components. This design is particularly valuable in mission-critical environments like data centers and manufacturing lines where continuous power monitoring is essential and any outage must be minimized.
Yes, the 37MM240R1240C99 is UL Listed, ensuring it meets established safety performance standards for electrical equipment. UL listing provides regulatory confidence for installation in commercial and industrial facilities, simplifies acceptance testing, and supports ongoing compliance with electrical codes. Always verify local specifications and ensure proper installation by qualified personnel.
The product is covered under Eaton's warranty policy 25-000, offering one year from date of installation or eighteen months from date of shipment, whichever occurs first. This warranty supports replacement or repair for manufacturing defects and pairs with Eaton’s service and support ecosystem for maintenance planning, spare parts availability, and long-term reliability in heavy-use environments.