Eaton 35MM140R1240350 Meter Stack - UL Listed
Part Number: 35MM140R1240350
Quick Summary
Eaton 35MM140R1240350 commercial meter stack provides plug-in metering for multi‑branch electrical feeders in commercial and industrial facilities. Many users struggle with space constraints and wiring complexity when upgrading metering for large, three-phase systems. UL Listed and NEMA 3R rated construction offer reliable performance in harsh environments, while 120/240 Vac and 208Y/120V network metering support common utility configurations. The plug-in socket design simplifies installation and reduces field wiring errors, cutting commissioning time. This solution couples a rugged aluminum bus rated to 1200A with a 350A breaker to enable scalable expansion, while maintaining a compact footprint. By aligning with CenterPoint Energy approvals, it also supports compliant metering in regulated markets.
Product Information
Extended Description
35MM140R1240350 Eaton: Eaton 35MM commercial meter stack, Plug-in socket, 400A, Aluminum, Bus:1200A, Lever bypass, NEMA 3R, Depends on selected MCB, Five-jaw, Sockets:1, Three-phase in, single-phase out, A-B, 350A breaker, Ringless, Socket:400A, 120/240 Vac
Product Name
Eaton 35MM commercial meter stack
Catalog Number
35MM140R1240350
UPC
782116995431
Product Length/Depth
10.93 in
Product Height
52.62 in
Product Width
18.3 in
Product Weight
177 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
Catalog Notes
Main tenant feeders can exit top, bottom, or back, If being used in outdoor application and exiting the top, mount Myer type hubs on rainproof cap. 120/240V, single-phase, three-wire systems and 208Y/120V network metering
Type
Plug-in socket
Utility approvals
TX : CenterPoint Energy (HL&P/Reliant)
Feature → Business Impact → Application: Plug-in socket with 400A main and five-jaw sockets simplifies installation and reduces on-site wiring, accelerating commissioning and lowering labor costs for industrial metering projects. Application: Ideal for commercial facilities upgrading to three-phase in, single-phase out metering with 120/240 V systems. Feature → Business Impact → Application: Aluminum bus rated to 1200A provides robust fault current capacity and future expansion potential, improving system reliability and reducing retrofit risk for growing facilities. Application: Suitable for data centers and manufacturing plants needing scalable metering infrastructure. Feature → Business Impact → Application: NEMA 3R outdoor-rated enclosure enables weather-resistant metering in exposed environments, minimizing enclosure-related maintenance and downtime. Application: Outdoor kiosks, transformer yards, and outdoor electrical rooms. Feature → Business Impact → Application: Five-jaw, ringless socket design supports versatile connection options and reduces mating issues during installation, improving first-time fix rates. Application: Retail, hospitality, and campus environments with mixed-phase metering. Feature → Business Impact → Application: 350A breaker option with 120/240V capability ensures compliant protection and streamlined breaker coordination, lowering lifecycle costs. Application: Industrial feeders requiring reliable protection and simplified procurement. Feature → Business Impact → Application: UL Listed certification provides regulatory compliance assurance and easier customer acceptance, shortening procurement cycles. Application: Projects in regulated markets requiring formal certification. Feature → Business Impact → Application: CenterPoint Energy utility compatibility supports streamlined acceptance testing and faster permit approvals. Application: TX market metering installations and similar regulated utilities.
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FAQs
The Eaton 35MM140R1240350 uses a plug-in socket configuration designed for quick installation. Main feeders can exit top, bottom, or back, and optional Myer type hubs can be mounted on a rainproof cap for outdoor use. The unit supports 120/240V single-phase and 208Y/120V three-phase metering, with a 350A breaker option to align with protection and coordination goals.
Key specs include a 400A main with a 350A breaker option, aluminum bus rated up to 1200A, five-jaw sockets, and a plug-in socket type. Operating voltages cover 120/240 VAC for single-phase networks and 208Y/120V for three-phase metering, suitable for commercial and industrial feeders.
Yes. The unit is rated NEMA 3R for outdoor exposure and can be equipped with rainproof hub accessories for top exit installations. This configuration helps protect metering components from weather while enabling reliable outdoor operation in appropriate climates.
The meter stack is UL Listed, providing recognized safety and performance compliance. It also carries utility approvals such as CenterPoint Energy TX (HL&P/Reliant) and supports 120/240V single-phase and 208Y/120V metering configurations, which facilitates regulatory and utility acceptance in supported markets.
Warranty terms state one year from installation or eighteen months from shipment, whichever occurs first. ROI is driven by faster installation, reduced wiring errors, and easier maintenance due to modular plug-in design, robust aluminum bus, and metering compatibility with common industrial and commercial loads.