Eaton 35MM140R1240250 Commercial Meter Stack - UL Listed
Part Number: 35MM140R1240250
Quick Summary
The Eaton 35MM140R1240250 commercial meter stack provides plug-in metering for multi-panel power distribution. Engineers often struggle with bulky installations and wiring complexity in high-current electrical rooms. UL Listed certification ensures safety and reliability, while the NEMA 3R enclosure supports outdoor and damp environments. From a business perspective, the plug-in design reduces installation time, and the 400 A/1200 A capabilities enable scalable power monitoring. Its aluminum construction and ringless socket design reduce maintenance downtime and contact issues during servicing. It aligns with common MCB configurations and five-jaw sockets, speeding procurement and easing field retrofit. Overall, it supports a scalable, compliant metering approach for growing facilities with consistent performance expectations.
Product Information
Extended Description
35MM140R1240250 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, 250A breaker, Ringless, Socket:400A, 120/240 Vac
Product Name
Eaton 35MM commercial meter stack
Catalog Number
35MM140R1240250
UPC
782116995417
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
Feature: Plug-in socket design enables rapid, tool-free connections, reducing field wiring and installation time. Business Impact: Speeds commissioning and lowers labor costs while improving safety through fewer live-terminal tasks. Application: Ideal for industrial power distribution suites and commercial buildings seeking modular metering. Feature: 400 A current rating with 120/240 VAC and 1200 A bus capacity. Business Impact: Enables scalable metering for high-load feeders, supports three-phase in, single-phase out, and simplifies panel upgrades. Application: Data centers, manufacturing lines, and multi-panel electrical rooms. Feature: NEMA 3R enclosure and aluminum construction. Business Impact: Weather and corrosion resistance, reduced maintenance, and outdoor/damp location suitability. Application: Outdoor cabinets and harsh indoor environments. Feature: UL Listed certification and warranty. Business Impact: Regulatory compliance, procurement confidence, and documented support for service life. Application: Facilities requiring formal electrical safety credentials. Feature: Compatibility with MCB configurations and five-jaw sockets; ringless design. Business Impact: Faster retrofits and reliable connections, lowering commissioning risk. Application: Existing Eaton and third-party MCB systems in commercial and industrial settings.
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FAQs
The 35MM140R1240250 uses a plug-in socket design with five-jaw connections and a ringless assembly, enabling rapid integration with most Eaton and compatible MCB configurations. It supports a 400 A service with three-phase in and single-phase out, making it straightforward to retrofit into established commercial or industrial panels without extensive rewiring. This compatibility reduces project lead times and minimizes field modifications.
Key specs include a 400 A current rating, 120/240 VAC operation, and a 1200 A bus rating. The unit supports three-phase in and single-phase out, with a plug-in socket, aluminum construction, and a NEMA 3R enclosure. It is UL Listed, enabling compliance in facilities with stringent electrical safety requirements and procurement standards.
This meter stack is ideal for commercial buildings, industrial facilities, and data centers that require modular, reliable power metering for high-load feeders. Its NEMA 3R enclosure makes it suitable for outdoor or damp indoor locations, while its plug-in design facilitates fast installation in new builds or retrofit projects without sacrificing monitoring accuracy or safety.
The Eaton 35MM140R1240250 is UL Listed, confirming electrical safety compliance for distribution equipment. It features a NEMA 3R enclosure rating, supporting outdoor and moisture-resilient installations. The product carries Eaton’s warranty policy (one year from installation or 18 months from shipment, whichever occurs first). These attributes simplify procurement, installation planning, and ongoing maintenance.
ROI comes from faster commissioning due to plug-in connections, reduced wiring errors, and lower field labor costs. The 400 A/1200 A capabilities support scalable metering as facility loads grow, while the rugged NEMA 3R enclosure minimizes maintenance and weather-related downtime. For procurement teams, the UL Listed status also reduces risk and accelerates compliance approvals.