Eaton 35MM140R1240300 Meter Stack - UL Listed
Part Number: 35MM140R1240300
Quick Summary
Eaton 35MM140R1240300 meter stack is a plug-in socket solution for 400A commercial metering in industrial panels. Facilities often face retrofit delays and compatibility challenges during feeder upgrades, which can drive costly downtime. UL Listed, NEMA 3R rating, and 120/240 VAC operation provide dependable performance in indoor and outdoor environments. Designed for rapid installation and predictable compatibility with Eaton power management hardware, it offers a scalable path to safer, more efficient metering in commercial projects.
Product Information
Extended Description
35MM140R1240300 Eaton: Eaton 35MM commercial meter stack, Plug-in socket, 400A, Aluminum, Bus:1200A, Lever bypass, NEMA 3R, Depends on selected MCB, 5-jaw, Sockets:1, 3-phase in, 1-phase out, A-B, K-frame included, Ringless, Socket:400A, 120/240 Vac
Product Name
Eaton 35MM commercial meter stack
Catalog Number
35MM140R1240300
UPC
782116995424
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
Type
Plug-in socket
Utility approvals
TX : CenterPoint Energy (HL&P/Reliant)
400A socket, 1200A bus, and 5-jaw sockets simplify heavy-duty metering; the lever bypass adds quick isolation for maintenance. Business impact: Reduced wiring complexity, faster commissioning, and safer operation with clear fault paths. Application: Ideal for service entrances and industrial panels where dense metering is required. NEMA 3R rating and UL Listed certification ensure outdoor and indoor reliability; housing is aluminum for durability. Business impact: Code compliance and weather resistance reduce inspection delays and protect against environmental exposure. Application: Outdoor installations in loading docks, rooftops, or exterior panels. Flexibility: 3-phase in and 1-phase out, A-B, K-frame included, ringless sockets; 400A socket paired with a 1200A bus. Business impact: Supports varied feeder configurations and simplifies spare parts planning. Application: Projects requiring modular metering with future expansion. Maintenance and warranty: One year from installation or 18 months from shipment; UL Listed ensures consistent performance. Business impact: Lower long-term maintenance risk and predictable service intervals. Application: Asset management programs in facilities and data centers. Utility compatibility: CenterPoint Energy TX approvals; depends on selected MCB. Business impact: Streamlines utility interconnection and reduces site rework. Application: Projects in Texas and similar regulated markets.
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FAQs
Plan for a compatible panel with available space for an aluminum outdoor-rated assembly, ensure correct 120/240 VAC supply, and verify existing MCB compatibility. Use the 3-phase in, 1-phase out configuration, and have the A-B and K-frame components on hand. Confirm CenterPoint TX utility approvals if installing in Texas.
The 400A socket handles high feeder current, while the 1200A bus provides a robust backbone for metering multiple circuits. This reduces conductor runs, improves fault isolation, and supports future load growth without replacing the meter stack, delivering lower lifecycle costs and faster commissioning.
Yes. It features a NEMA 3R-rated aluminum enclosure and UL Listed certification, enabling reliable outdoor and indoor service. This combination helps meet code requirements, reduces inspection time, and supports durable operation in varying weather conditions.
Best suited for commercial service entrances, data centers, and light industrial facilities requiring scalable, code-compliant metering. Its plug-in socket design simplifies installation, while 3-phase in and 1-phase out capability supports diverse feeder configurations in retrofit and new-build projects.
Warranty is one year from the date of installation or eighteen months from shipment, whichever comes first. Eaton’s policy provides structured coverage, and the UL Listed status supports ongoing compliance. For ongoing maintenance, document installation dates and scheduled inspections to maximize uptime.