Eaton residential meter stack 1MM420RC - UL Listed
Part Number: 1MM420RC
Quick Summary
Eaton residential meter stack is a modular, multi-metering solution for service panels in multi-tenant and residential applications. Engineers and procurement teams contend with tight spaces, wiring clutter, and compliance hurdles when expanding metering, often delaying projects. UL Listed with a NEMA 3R enclosure provides rugged, weather-resistant performance for outdoor installations, while the 120/240 V rating supports typical residential service loads. This metering product enables scalable management of utility points, supporting faster layouts and cost-effective upgrades across buildings. The solution helps facilities meet regulatory expectations while simplifying installation, maintenance, and future expansion.
Product Information
Extended Description
1MM420RC Eaton: Eaton resi meter stack, Multiple metering, 200A, Copper, Bus: 800A, No bypass, NEMA 3R, Depends on selected main circuit breaker, Four-jaw, 4, Single-phase in/single-phase out, CCV2_X, CCVH2_X, CVS2_XMM, CV2_XMM, CVH2_XMM, Ring, 120/240V
Product Name
Eaton residential meter stack
Catalog Number
1MM420RC
UPC
782114989951
Product Length/Depth
13.5 in
Product Height
64.5 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
800 A
Bypass
None
Number of jaws
Four-jaw
Number of sockets
4
Phase
Single-phase in, single-phase out
Security
Ringless
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 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
CCV2_X, CCVH2_X, CVS2_XMM, CV2_XMM, CVH2_XMM
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 1MM420RC
Feature: Multiple metering within a single enclosure → Business Impact: Reduces cabinet footprint and wiring complexity, enabling quicker layouts and lower upfront costs for every metering point → Application: Ideal for multi-tenant dwellings and small commercial spaces. Feature: 125A amperage rating with 800A bus rating and copper bus material → Business Impact: Supports scalable load management and high current tolerance for dynamic residential circuits → Application: Residential service panels and light commercial feeders requiring robust bus performance. Feature: Four-jaw, four sockets, ringless design → Business Impact: Simplifies wiring and field installation, reducing labor time and error potential → Application: Fast, reliable meter connections in compact spaces. Feature: NEMA 3R enclosure and UL Listed certification → Business Impact: Ensures outdoor readiness and code compliance, minimizing regulatory risk → Application: Outdoor or ingress-prone locations with dependable protection. Feature: No bypass option; compatibility with CCV2_X, CCVH2_X, CVS2_XMM, CV2_XMM, CVH2_XMM secondary breakers → Business Impact: Flexible upgrade paths and safer, organized equipment layout → Application: Modernizing existing metering with standardized accessory kits. Industry context: Utility approvals and 120/240 V operation align with common residential designs, supporting streamlined procurement and site readiness for property developers and facilities managers.
Get a Quick Quote for a Eaton 1MM420RC
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 1MM420RC?
Enquire Now
FAQs
The 1MM420RC uses a four-jaw, four-socket configuration with a single-phase in/out connection and a copper bus, designed for straightforward field mounting within a NEMA 3R enclosure. Plan for no bypass option and align main circuit breaker sizing with the 125A rating to ensure proper protection and wiring clearances.
Key specs include a 125A amperage rating, 800A bus rating, copper bus material, 120/240V voltage, and single-phase in/out configuration. The interruption rating depends on the selected main circuit breaker, and the unit features UL Listed certification for compliance.
Yes. The product lists utility approvals for multiple regions and utilities, including Idaho Power, Seattle City Light, Puget Sound Energy, Tacoma Public Utilities, NV Energy, and Dominion. Always verify local utility acceptance for metering configurations before installation.
The multi-meter design consolidates metering points in one enclosure, reducing cabinet footprint, simplifying wiring, and accelerating project timelines. It also enables easier future upgrades and scalable metering for multi-tenant or evolving residential facilities.
Warranty is Eaton’s policy 25-000: one year from installation or eighteen months from shipment, whichever comes first. This, together with UL Listed certification and established utility compatibility, supports long-term reliability and predictable maintenance planning.