Eaton Residential Meter Stack 1MM612RRLB - UL Listed
Part Number: 1MM612RRLB
Quick Summary
Eaton Residential Meter Stack 1MM612RRLB is a rugged outdoor metering solution designed for single-phase residential service. Installers often wrestle with weatherproof enclosures that compromise safety, reliability, or ease of main-breaker access. UL Listed certification and broad utility approvals across multiple states reinforce code compliance and utility compatibility. With 125A, 800A bus rating, and a 120/240V single‑phase design, it reduces bottlenecks and supports scalable residential service. Manufacturers benefit from predictable installation workflows thanks to its ringless with horn bypass configuration and six receptacles. In practice, field crews save time on outdoor siting, reduce service interruptions, and improve safety margins in residential complexes.
Product Information
Extended Description
1MM612RRLB Eaton: Eaton residential meter stack, Amperage rating: 125A, Bus rating: 800A, Outdoor, Interrupt rating depends on selected main circuit breaker, Single-phase in/single-phase out, 6 Sockets, Aluminum, Ringless with horn bypass, 120/240 Vac, 4-jaw
Product Name
Eaton residential meter stack
Catalog Number
1MM612RRLB
UPC
782116007295
Product Length/Depth
7.01 in
Product Height
66.5 in
Product Width
12.26 in
Product Weight
75 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
Utility approvals
MD : First Energy (Potomac Edison) VA : First Energy (Potomac Edison) WV : First Energy (Mon Power) NJ : First Energy (Jersey Central Power and Light) OH : First Energy (Ohio Edison, Toledo Edison, The Illuminating Company) PA : First Energy (Allegheny Power, MET ED, Penelec, West Penn Power) PA : PECO Energy KY : Louisville Gas & Electric/Kentucky Utilities WI : WE Energies / Wisconsin Public Service (WPS)
Interrupt rating
Depends on selected main circuit breaker
Enclosure
Outdoor
Bus Rating
800 A
Phase
Single-phase in, single-phase out
Voltage rating
120/240 V
Amperage Rating
125A
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 1MM612RRLB
Feature: Outdoor aluminum enclosure delivers weather resistance and corrosion protection. Business Impact: Reduces maintenance costs and extends service life. Application: Ideal for outdoor residential meter stacks in diverse climates. Feature: Amperage rating of 125 A and bus rating of 800 A provide headroom for typical residential loads. Business Impact: Minimizes upgrade needs and maintains code-compliant service distribution. Application: Suitable for standard residential services with 120/240 V single-phase supply. Feature: Six sockets and a 4-jaw, ringless design with horn bypass streamline installation and maintenance. Business Impact: Simplifies wiring, decreases downtime, and enhances safety during metering work. Application: Multi-tenant or single-family installations requiring organized metering. Feature: Single-phase in/out and 120/240 V rating ensure compatibility with common service equipment. Business Impact: Facilitates straightforward integration and reduces commissioning time. Application: Residential service entrances and meter configurations. Feature: Outdoor-rated enclosure with dimensions and weight (66.5 in height, 12.26 in width, 7.01 in depth, 75 lb). Business Impact: Predictable installation footprint and easier field handling. Application: Site planning for outdoor meter stacks and service cabinets. Feature: UL Listed certification and utility approvals across multiple states. Business Impact: Supports compliance, speeds interconnection, and mitigates procurement risk. Application: Procurement decisions for utilities and contractors deploying metering hardware across jurisdictions.
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FAQs
The Eaton 1MM612RRLB residential meter stack is designed for outdoor, single-phase metering in residential service. It provides six sockets in an aluminum, outdoor-rated enclosure with a 125 A amperage rating and 800 A bus rating. This configuration supports reliable service connections while enabling straightforward main-breaker integration in multi-tenant or single-family installations.
Yes. The unit is UL Listed and features an outdoor aluminum enclosure with weather-resistant construction, designed for outdoor service. It supports 120/240 V single-phase operation, ringless with horn bypass, and six sockets, making it a compliant choice for residential metering in harsh environments. UL listing simplifies code compliance and speeds interconnection with utility providers.
The product carries utility approvals across multiple regions, including Maryland, Virginia, West Virginia, New Jersey, Ohio, Pennsylvania, Kentucky, and Wisconsin per First Energy group listings. This broad alignment helps reduce on-site approvals and accelerates interconnection when deploying meter stacks in commercial or residential projects. It is especially valuable for utilities seeking consistent metering hardware across varied service territories.
125 A amperage rating and 800 A bus rating, 120/240 V, single‑phase in/out, 6 sockets, rust‑resistant aluminum enclosure, and a 7.01 in depth with 66.5 in height and 12.26 in width. The interrupt rating depends on the main circuit breaker selected, and the system uses a 4‑jaw ringless design with horn bypass.
Warranty follows Eaton policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. For support, reference the provided catalogs and specification sheets, and leverage manufacturer resources for installation guidance and part compatibility with other metering components. Field teams benefit from Eaton's technical notes and the option to access datasheets in catalogs for troubleshooting and upgrade planning.