Eaton 1MM612RC Meter Stack - UL Listed NEMA 3R

Part Number: 1MM612RC
Manufacturer
Eaton
Part number
1MM612RC

Quick Summary

Eaton residential meter stack enables multi-metering for shared electrical services in homes and small facilities. When upgrading distribution to support multiple tenants or circuits, engineers often wrestle with space, wiring clutter, and code compliance. This unit is UL Listed and features a rugged NEMA 3R enclosure, suitable for outdoor or damp locations. With a copper bus, a 200 A bus rating, four-jaw design, and 120/240 V single-phase in/out, it delivers reliable, scalable metering. By aligning with Eaton metering products, procurement and maintenance teams gain plug-and-play compatibility, improved safety margins, and faster deployment, reducing field labor and total cost of ownership over the life of the installation.

Product Information

Extended Description

1MM612RC Eaton: Eaton residential meter stack, Multiple metering, 125A, Copper, Bus: 800A, No bypass, NEMA 3R, Depends on selected main circuit breaker, Four-jaw, 6, Single-phase in/single-phase out, BR2_, BRH2_, BRHH2_, Ring, 120/240V
Product Name
Eaton residential meter stack
Catalog Number
1MM612RC
UPC
782114990025
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
200 A
Bypass
None
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
ID : Idaho Power OR : Idaho Power WA : Seattle City Light AK : Anchorage Municipal Light & Power NV : NV Energy 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) WA : Puget Sound Energy WA : Tacoma Public Utilities NC : Dominion VA : Dominion
Enclosure
NEMA 3R
Interrupt rating
Depends on selected main circuit breaker
Secondary circuit breaker
BR2_, BRH2_, BRHH2_
Feature: Multiple metering capability with 125A service, four-jaw construction, six sockets, and single-phase in/out. Business Impact: Enables precise load separation across meters for shared services, enhancing charge-back accuracy and energy management. Application: Suitable for residential buildings, multi-tenant dwellings, and small commercial spaces needing independent metering without duplicating gear. Feature: Copper bus material with 200A bus rating for high conductivity and durability. Business Impact: Improves measurement accuracy and reduces voltage drop under peak loads, lowering long-term maintenance and failure risk. Application: Ideal where long service runs and tight enclosures demand efficient current paths. Feature: NEMA 3R enclosure for weather resistance. Business Impact: Enables outdoor or damp-location installation with compliant protection against moisture and dust. Application: Exterior meter stacks on building facades or sheltered mechanical rooms. Feature: Four-jaw, no bypass design with 120/240 V single-phase operation. Business Impact: Ensures secure connections and prevents metering errors due to bypass, supporting regulatory compliance. Application: Critical in installations requiring reliable, tamper-resistant metering. Feature: Compatibility with Eaton main breakers BR2_, BRH2_, BRHH2_ and UL Listed. Business Impact: Streamlines procurement and spare-part availability, reduces engineering time for integration. Application: Fits Eaton metering ecosystems for retrofits or new builds. Feature: Comprehensive warranty and documented data. Business Impact: Provides project risk mitigation and predictable maintenance planning. Application: Suited for contractors and procurement teams prioritizing reliability and traceability.

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FAQs

The 1MM612RC is designed for single-phase in/out compatibility with Eaton main circuit breakers BR2_, BRH2_, and BRHH2_. It uses a four-jaw, six-socket configuration and supports a 125A service with a 200A bus rating. Follow NEC/MEG guidelines and install per the NEMA 3R enclosure requirements to ensure safe, code-compliant operation.
Key specifications include a 125A amperage rating, 120/240V single-phase operation, copper bus material with a 200A bus rating, four-jaw design, six sockets, no bypass, and a NEMA 3R enclosure. It is UL Listed and intended for residential metering applications with multi-meter capability.
Best suited for residential multi-tenant or multi-meter installations, small commercial spaces, and retrofit projects needing separate metering for shared services. It enables accurate load profiling, tenant billing, and scalable energy management without duplicating main equipment.
The unit uses a NEMA 3R enclosure, providing weather and corrosion resistance suitable for outdoor and damp-location installations. It supports outdoor meter stacks on building exteriors or sheltered mechanical spaces, helping maintain metering integrity in variable environments.
Warranty follows Eaton Selling Policy 25-000: one year from installation or eighteen months from shipment, whichever comes first. Eaton offers technical documentation and support, including the specification sheet and catalogs, to assist with installation planning and ongoing maintenance.