Eaton 37SS320RC Commercial Meter Stack - UL Listed
Part Number: 37SS320RC
Quick Summary
Eaton commercial meter stack provides modular metering for commercial facilities, delivering compact power distribution and accurate utility measurement. Engineers often struggle with space constraints and complex wiring when upgrading legacy panels, risking misbalance and metering gaps. UL Listed and EUSERC Approved provide essential safety and utility compliance, while the three-phase design supports 208Y/120V service and phase balance. In practice, this solution enables faster installation, reliable billing data, and scalable metering for growing facilities, leveraging compatibility with common commercial panels and a copper 1200A bus for long-term reliability.
Product Information
Extended Description
37SS320RC Eaton: Eaton 37SS-Three-Phase Commercial Meter Stack Modules, EHD3_, CCV3_X, CCVH3_X, CVS3_X, CV3_X, CVH3_X secondary breaker, 225A socket, 208Y/120V, Ring, Copper 1200A bus, Test bypass, Seven-jaws, 3 sockets, Factory A-B phase balance
Product Name
Eaton commercial meter stack
Catalog Number
37SS320RC
UPC
786685481227
Product Length/Depth
64 in
Product Height
11 in
Product Width
24 in
Product Weight
173 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.
Compliances
EUSERC Approved
Certifications
UL Listed
Utility approvals
ID : Idaho Power OR : Idaho Power WA : Seattle City Light AK : Anchorage Municipal Light & Power NV : NV Energy WA : Puget Sound Energy WA : Tacoma Public Utilities
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 37SS320RC
The three-phase commercial meter stack architecture delivers a compact 64 in long module, allowing efficient mounting in tight electrical rooms and reducing overall footprint while supporting multi-tenant metering. This configuration translates to measurable space savings and easier retrofit work in existing panels, minimizing downtime during upgrades. With a 225A socket and 208Y/120V service, it accommodates typical commercial loads and simplifies integration with standard utility feeders, improving commissioning speed and accuracy. The copper 1200A bus, ring bus design, test bypass, seven-jaws, and three sockets provide robust current handling, easier testing, and safer maintenance—resulting in precise metering and lower operational risk. Factory A-B phase balance enhances load distribution, improving billing accuracy and energy management for facilities with complex demand profiles. Compatibility across utility approvals and straightforward mounting options help installers meet project timelines and procurement requirements.
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FAQs
The 37SS320RC is designed for 208Y/120V service with a 225A socket and a 64 inch long footprint, making it compatible with standard three-phase commercial panels. Ensure mounting supports the meter stack height of 11 inches and width of 24 inches, and verify bus connections align with copper 1200A routing for proper integration.
This meter stack carries UL Listed certification, confirming safety and electrical compliance, and is EUSERC Approved, which supports utility acceptance in many western U.S. markets. These certifications reduce procurement risk, simplify utility interconnection, and help ensure regulatory alignment in commercial installations.
Key features such as the copper 1200A bus, ring bus design, test bypass, seven-jaws, and three sockets enable precise current measurement and straightforward verification during commissioning. Factory A-B phase balance further improves load distribution accuracy, delivering reliable billing data for tenants and enabling effective energy management.
Yes. Its 64 in length, 24 in width, 11 in height, and 173 lb weight support installation in shared electrical rooms. With three sockets and a 225A rating, the stack accommodates multiple meters in a compact footprint, making it ideal for multi-tenant buildings, retail centers, and commercial facilities requiring scalable metering.
Warranty terms follow Eaton policy 25-000: one year from installation or eighteen months from shipment, whichever comes first. Standard support covers installation guidance, compatibility inquiries, and access to Eaton technical resources for maintenance, calibration, and replacement part needs.