Eaton 3MM612C2AB Residential Meter Stack - UL Listed
Part Number: 3MM612C2AB
Quick Summary
Eaton 3MM612C2AB residential meter stack enables multi-metering and safe power distribution for residential service applications. Engineers often face space constraints, wiring complexity, and limited scalability when upgrading multi-tenant or multi-branch services. This unit carries UL Listed safety certification, ensuring compliance with essential electrical standards, and is backed by Eaton's warranty policy for added risk mitigation. Indoor installation and a robust 125A service design address common constraints, while compatibility with various MCBs helps tailor metering configurations. By combining a compact footprint with flexible metering options, it supports efficient asset management, accurate load monitoring, and proactive maintenance in modern power management and distribution environments.
Product Information
Extended Description
3MM612C2AB Eaton: Eaton 3MM residential meter stack, Multiple metering, 125A, Aluminum, Bus:800A, No bypass, Indoor, Depends on selected MCB, Five-jaw, Sockets:6, Three-phase in, single-phase out, A-B, BR2_, BRH2_, BRHH2_, BRX2, Ring, Socket:125A, 120/240Vac
Product Name
Eaton 3MM residential meter stack
Catalog Number
3MM612C2AB
UPC
786689040802
Product Length/Depth
12.26 in
Product Height
66.5 in
Product Width
7.01 in
Product Weight
78 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
Multiple metering capability enables simultaneous monitoring of several circuits or tenants within a single enclosure, reducing the need for additional panels and associated wiring. This approach improves energy accounting accuracy, simplifies tenant billing, and lowers upfront capital expenditures by centralizing metering in one compact stack. It is particularly well-suited for multi-tenant residential developments, condominiums, and mixed-use properties where space and clarity matter most. 125A service, 800A bus rating, and no bypass provide scalable power distribution with clear fault isolation. The design supports future load growth without requiring a full panel replacement, cutting retrofit costs. Indoor-rated construction also protects against environmental exposure in standard mechanical rooms, ensuring reliable performance in everyday housing and small commercial installations. With a tall, narrow footprint (66.5 in high, 7.01 in wide, 12.26 in deep) and a 78 lb enclosure, this meter stack fits confined utility spaces while remaining accessible for service. Aluminum construction delivers durability and lightweight handling during installation. The form factor also simplifies maintenance scheduling and reduces downtime during meter exchanges or upgrades. Compatibility with Eaton MCBs is highly configurable because the system depends on the selected MCBs. The unit supports BR2_, BRH2_, BRHH2_, BRX2 families, A-B ring configurations, and six sockets arranged in five-jaw, ring-ready layouts, enabling precise protection schemes and straightforward wire routing. This flexibility minimizes engineering changes during upgrades and expands retrofit options. Compliance and support: UL Listed certification confirms safety and compliance with critical electrical standards for residential equipment. The product ships with Eaton's warranty coverage per policy 25-000—one year from installation or eighteen months from shipment—giving contractors and building owners confidence in service continuity. Indoor operation at 120/240Vac aligns with common utility feeds and simplifies procurement. Industry insight shows centralized metering reduces site visits and speeds fault detection, delivering measurable ROI through lower operating costs and better energy visibility. The 3MM612C2AB combines a robust metering core with practical installation attributes—compact footprint, reliable aluminum enclosure, and clear compatibility with common protective devices—making it a smart choice for modern power management and distribution strategies.
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FAQs
Plan for indoor installation in a utility area or equipment room with adequate clearance for the 66.5 inch tall enclosure. Ensure mounting on a stable surface suitable for a 78 lb unit, and provide access to six sockets and five-jaw connections. Verify compatibility with selected Eaton MCBs and confirm space for service wiring, labeling, and future expansion.
Yes. The product is designed for multiple metering, enabling several tenants or circuits to be monitored from a single stack. It supports three-phase in and single-phase out configurations, 125A service, and a scalable bus, making it ideal for multi-tenant residential developments and mixed-use properties seeking centralized metering with simplified wiring.
The meter stack is UL Listed, providing recognized safety and compliance with essential electrical standards for residential equipment. It is supported by Eaton’s warranty policy, which offers coverage during the specified period, adding assurance for installation teams and building owners during maintenance and retrofits.
The unit supports 120/240 VAC operation, 125A service and 800A bus capacity, aluminum enclosure, indoor use, and six sockets with a three-phase in and single-phase out arrangement. It is designed for multiple metering and requires appropriate MCB selection to tailor protection schemes for specific installations.
Centralizing metering reduces site visits, simplifies fault isolation, and improves energy visibility, contributing to lower operating costs and faster response times. The robust enclosure, compatibility with common MCB families, and UL Listed certification collectively reduce retrofit risk and maintenance downtime, delivering tangible efficiency gains over the product’s lifecycle.