Eaton 1MM412RRLC Residential Meter Stack - UL Listed
Part Number: 1MM412RRLC
Quick Summary
Eaton residential meter stack provides multiple metering for single-phase service in residential and light commercial applications. Managing different feeders from a single, compact enclosure can be challenging without a purpose-built solution. UL Listed, NEMA 3R enclosure, and MEG utility approvals ensure compliance and reliable performance in exposed or harsh environments. This model supports 120/240 V service with a four‑jaw copper bus and an 800 A bus rating, enabling scalable metering for growing facilities while reducing installation time and field wiring complexity. Designed for compatibility with BR2, BRH2, and BRHH2 secondary breakers, it integrates smoothly into Eaton’s metering products ecosystem, delivering value for utilities, developers, and contractors alike.
Product Information
Extended Description
1MM412RRLC Eaton: Eaton residential meter stack, Multiple metering, 125A, Copper, Bus: 800A, No bypass, NEMA 3R, Depends on selected main circuit breaker, Four-jaw, 4, Single-phase in/single-phase out, BR2_, BRH2_, BRHH2_, Ringless, 120/240V
Product Name
Eaton residential meter stack
Catalog Number
1MM412RRLC
UPC
782114989944
Product Length/Depth
12.26 in
Product Height
48.5 in
Product Width
7.01 in
Product Weight
62 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
200A
Bus material
Copper
Bus Rating
800 A
Bypass
None
Number of jaws
Four-jaw
Number of sockets
4
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 - 1MM412RRLC
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Multiple metering in a single stack enables precise sub-metering for tenants, feeders, or load segments. Business Impact: Improves chargeback accuracy, reduces manual metering errors, and speeds up onboarding for new tenants. Application: Ideal for multi-tenant dwellings and small commercial facilities where independent monitoring drives revenue assurance and energy management. Long-tail keywords: metering for multi-tenant buildings, residential metering stack, sub-metering solution.Feature: Copper bus with four-jaw design and four sockets delivers low-resistance connections and robust mechanical integrity. Business Impact: Minimizes voltage drop, improves measurement accuracy, and extends service life. Application: Suitable for 120/240 V single-phase services with high-current needs in compact footprints. Long-tail keywords: copper bus distribution, four-jaw meter stack, high-current metering hardware.Feature: NEMA 3R weather-resistant enclosure and UL Listed construction provide reliable outdoor or harsh-environment performance. Business Impact: Reduces weather-related failures, simplifies outdoor installations, and supports code compliance. Application: Exterior metering installations at multifamily complexes, campuses, and outdoor electrical rooms. Long-tail keywords: outdoor meter stack, weatherproof electrical enclosures, UL Listed metering equipment.Feature: Security and compliance features, including ring-type security and no bypass design, deliver tamper-resistance and traceable metering. Business Impact: Enhances utility and owner confidence, lowers theft risk, and supports regulatory audits. Application: Utilities and property managers seeking compliant, tamper-resistant metering solutions. Long-tail keywords: ring-secured metering, no bypass meter stack, tamper-resistant electrical equipment.Feature: Compatibility with BR2, BRH2, and BRHH2 secondary breakers and 120/240 V operation supports fast installation and scalable metering layouts. Business Impact: Reduces engineering time, accelerates project schedules, and enables flexible expansion. Application: Retrofit projects and new builds needing adaptable metering configurations. Long-tail keywords: BR2 BRH2 BRHH2 compatibility, single-phase metering solutions, scalable metering systems.Warranty and support considerations: The product carries Eaton’s warranty policy (1 year from installation or 18 months from shipment) and access to Eaton’s specification sheets and technical resources, helping teams plan procurement, service, and maintenance budgets with confidence.
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FAQs
The Eaton 1MM412RRLC is designed for single-phase in/out metering and is compatible with BR2, BRH2, and BRHH2 secondary breakers. Installers should verify the main circuit breaker rating aligns with the 200 A unit, connect the four-jaw copper bus for four sockets, and follow NEMA 3R outdoor installation guidelines. Ensure proper torque on terminations and maintain clearance per code to optimize performance and safety.
Key specifications include an amperage rating of 200 A, a bus rating of 800 A, copper bus material, 120/240 V voltage rating, four-jaw design with four sockets, no bypass, and a NEMA 3R enclosure. It is UL Listed and supports multiple metering for single-phase service, making it suitable for residential and light commercial applications.
Yes. The unit uses a NEMA 3R enclosure designed for outdoor or exposed environments, offering weather resistance and protective protection for meter connections. When deploying outdoors, ensure proper routing, ventilation where required, and adherence to utility approvals to maintain performance and safety in all seasons.
Yes. The 1MM412RRLC is specifically built for multiple metering with a single-phase in/out configuration. It accommodates multiple feeders and sub-metering needs, enabling accurate billing and energy management for multi-tenant buildings while maintaining a compact footprint and straightforward integration with Eaton’s BR-series secondary breakers.
Warranty terms follow Eaton Selling Policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Technical datasheets, installation guides, and product support are available from Eaton, including compatibility details with BR2 BRH2 BRHH2 breakers and the MEG utility approvals for specified regions.