Eaton 3MM512C2AC Residential Meter Stack - UL Listed
Part Number: 3MM512C2AC
Quick Summary
The Eaton 3MM residential meter stack provides multi-metering for compact power distribution in homes and small commercial sites. Owners often struggle with space constraints and wiring complexity; this stack consolidates metering, reduces cabinet footprint, and speeds commissioning. UL Listed certification ensures safety and reliability in residential metering applications. Inside the unit, 125 A service, 800 A bus, five‑jaw sockets, and three‑phase-in, single‑phase-out configuration support efficient, code‑compliant installation for contractors and property managers. With these features, engineers and procurement teams gain predictable installation lead times, streamlined maintenance, and a strong foundation for metering compliance across multiple tenants.
Product Information
Extended Description
3MM512C2AC Eaton: Eaton 3MM residential meter stack, Multiple metering, 125A, Copper, Bus:800A, No bypass, Indoor, Depends on selected MCB, Five-jaw, Sockets:5, Three-phase in, single-phase out, A-C, BR2_, BRH2_, BRHH2_, BRX2, Ring, Socket:125A, 120/208 Vac
Product Name
Eaton 3MM residential meter stack
Catalog Number
3MM512C2AC
UPC
782116940073
Product Length/Depth
12.26 in
Product Height
57.5 in
Product Width
7.01 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
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 3MM512C2AC
Feature: Multi-metering capability with 125 A service and 800 A bus enables independent energy measurement for tenants or circuits within a single enclosure. Business Impact: Improves energy accountability, enables precise bill-back, and reduces reading errors across a building portfolio. Application: Ideal for multi-tenant residential or small commercial properties where space is at a premium but metering accuracy is mission-critical. Feature: Five-jaw sockets and five-socket layout support robust, flexible connections; Three-phase in, single-phase out with copper conductors. Business Impact: Simplifies field wiring, trims installation time, and lowers chance of mis-wiring by providing clearly defined metering paths. Application: Suitable for indoor meter stacks serving mixed loads and apartment complexes with diverse circuit configurations. Feature: Indoor installation with a compact footprint (12.26 in L x 7.01 in W x 57.5 in H) and no bypass option. Business Impact: Reduces cabinet depth, improves accessibility for service technicians, and enhances safety by eliminating bypass routing. Application: Fits retrofit projects and new builds in restricted mechanical rooms where headroom and space matter. Feature: Copper conductors and UL Listed certification ensure electrical reliability and compliance. Business Impact: Helps meet NEC/UL safety expectations and supports long-term maintenance and warranty claims. Application: Compatible with standard residential metering practices and utility interconnections in a variety of jurisdictions. Feature: Comprehensive warranty and service terms; Eaton policy 25-000 offers one year from installation or 18 months from shipment. Business Impact: Stabilizes lifecycle budgeting, reduces unexpected replacement costs, and supports service planning. Application: Gives procurement teams confidence when specifying the Eaton 3MM512C2AC for new builds and facility upgrades. Feature: Compatibility with Eaton MCB configurations (subject to selected MCB) enables scalable metering solutions. Business Impact: Allows phased deployment and future expansion without enclosure replacement. Application: Ideal for property managers planning for tenant turnover and load growth.
Get a Quick Quote for a Eaton 3MM512C2AC
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton 3MM512C2AC?
Enquire Now
FAQs
The Eaton 3MM512C2AC is designed for indoor residential and light commercial metering. It supports a 125 A service with an 800 A bus, five-jaw sockets, and a three-phase in, single-phase out configuration. It is ideal for multi-tenant buildings and other applications requiring compact, compliant multi-metering within a single enclosure.
Key specs include a multi-metering type, 125 A service, 800 A bus, copper conductors, five-jaw sockets, indoor enclosure, three-phase in and single-phase out, and 120/208 VAC. It carries UL Listed certification and supports 12.26 in length, 7.01 in width, and 57.5 in height in a compact footprint.
Yes. The design supports multi-metering in a single enclosure, enabling independent measurement for tenants. Its indoor installation, 125 A service, and 800 A bus are well-suited for apartment buildings or mixed-use developments where space is limited but accurate metering is required.
The product is UL Listed, signifying compliance with recognized safety standards for electrical equipment. This certification helps ensure safe operation, supports warranty coverage, and aligns with typical regulatory expectations for residential metering installations in diverse jurisdictions.
The warranty follows Eaton policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This timeframe supports lifecycle budgeting and maintenance planning for facilities managers and procurement teams installing or upgrading metering infrastructure.