Eaton 1MM612RRLC Residential Meter Stack - UL Listed
Part Number: 1MM612RRLC
Quick Summary
Eaton residential meter stack is a modular metering solution for multi-tenant service panels. This design addresses the common challenge of fitting reliable metering and flexible main-breaker configurations into compact spaces while maintaining ease of installation. It carries UL Listed certification, a NEMA 3R enclosure, and broad MEG utility approvals, underscoring safety and regulatory compliance. By combining multi-metering with a copper bus and horn bypass options, it supports scalable energy measurement across 125A circuits while keeping installation simple. For engineers and procurement teams, this product delivers predictable performance, reduced field labor, and a straightforward path to compliant power distribution in residential and light commercial projects.
Product Information
Extended Description
1MM612RRLC Eaton: Eaton resi meter stack, Eaton meter pack, Multiple metering, 125A, Copper, Bus: 800A, Horn bypass, NEMA 3R, Depends on selected main circuit breaker, Four-jaw, 6, Single-phase in/single-phase out, BR2_, BRH2_, BRHH2_, Ringless, 120/240V
Product Name
Eaton residential meter stack
Catalog Number
1MM612RRLC
UPC
782114990049
Product Length/Depth
12.26 in
Product Height
66.5 in
Product Width
7.01 in
Product Weight
80 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
Type
Multiple metering
Amperage Rating
125A
Bus material
Copper
Bus Rating
400 A
Bypass
Horn
Number of jaws
Four-jaw
Number of sockets
6
Phase
Single-phase in, single-phase out
Security
Ring
Voltage rating
120/240 V
Utility approvals
FL : MEG (Duke Energy, Florida Power, Tampa Electric, Gulf Power, Oklahoma Gas and Electric) IN : MEG (Duke Energy, Florida Power, Tampa Electric, Gulf Power, Oklahoma Gas and Electric) KY : MEG (Duke Energy, Florida Power, Tampa Electric, Gulf Power, Oklahoma Gas and Electric) NC : MEG (Duke Energy, Florida Power, Tampa Electric, Gulf Power, Oklahoma Gas and Electric) OH : MEG (Duke Energy, Florida Power, Tampa Electric, Gulf Power, Oklahoma Gas and Electric) SC : MEG (Duke Energy, Florida Power, Tampa Electric, Gulf Power, Oklahoma Gas and Electric) FL : Tallahassee City Electric NC : Dominion VA : Dominion
Enclosure
NEMA 3R
Interrupt rating
Depends on selected main circuit breaker
Secondary circuit breaker
BR2_, BRH2_, BRHH2_
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 1MM612RRLC
Feature: Multiple metering with four-jaw design, six sockets, and a 125A rating. Business Impact: Enables simultaneous monitoring of multiple feeds from a single enclosure, reducing panel complexity and installation time. Application: Ideal for multi-tenant dwellings and light commercial service panels. The streamlined metering reduces wiring errors and accelerates commissioning in distributed energy setups. Feature: Copper bus with a 400A bus rating. Business Impact: Improves electrical conductivity and fault margin, supporting reliable power measurement under load. Application: Suitable for main distribution panels where durability and performance matter. Feature: Horn bypass and ring-enabled security. Business Impact: Facilitates maintenance without full disassembly while preserving security against tampering. Application: Field service and service disconnect scenarios in residential metering stacks. Feature: Enclosure and safety conformity. Business Impact: NEMA 3R enclosure with UL Listed certification ensures weather resistance and regulatory compliance. Application: Outdoor-ready installations and exposed utility areas. Feature: Compatibility with specified secondary breakers BR2_, BRH2_, BRHH2_. Business Impact: Simplifies retrofits and upgrades, reducing engineering time and risk. Application: Projects requiring modular metering with expandable protection. Feature: Utility approvals and warranty. Business Impact: Validates regulatory alignment across multiple markets and provides predictable coverage post-installation. Application: Projects in regulated regions that require MEG approvals and documented warranty terms.
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FAQs
Plan for a floor-to-ceiling vertical footprint given its height of 66.5 in and width of 7.01 in. Ensure mounting aligns with a suitable main breaker, as the unit is 125A rated with a 400A bus and a four-jaw design. Use the NEMA 3R enclosure for outdoor or harsh environments and verify UL Listed compliance before commissioning.
The stack supports 125A amperage with a 400A bus rating, copper bus material, 120/240 V, single-phase in/out, horn bypass, four-jaw configuration, and six sockets. It is UL Listed and features a NEMA 3R enclosure for versatile installation in both indoor and outdoor settings.
Yes. It is designed for multiple metering with six sockets and four jaws, enabling independent monitoring of multiple circuits within a single enclosure. Its copper bus, security features, and compatibility with BR2, BRH2, and BRHH2 secondary breakers support scalable metering for multi-tenant or mixed-use buildings.
The product is UL Listed and packed in a NEMA 3R enclosure, suitable for weather exposure. It also carries MEG utility approvals across several states, ensuring compliance for utility interconnection and local code requirements in residential and light commercial projects.
Eaton provides a warranty per policy 25-000, lasting one year from installation or eighteen months from shipment, whichever occurs first. This coverage supports post-installation confidence, with standard manufacturer support and access to product documentation and datasheets for ongoing maintenance.