Eaton 35MM240R1240C54 Meter Stack - UL Listed
Part Number: 35MM240R1240C54
Quick Summary
Eaton 35MM240R1240C54 meter stack provides plug-in metering for commercial power distribution. The unit is designed to simplify installation in busy facilities while reducing wiring errors and service interruptions. Facilities managers often struggle with flexible exit routing and outdoor durability in metering gear; this stack offers top, bottom, or back exit options and a rugged NEMA 3R enclosure. UL Listed components support regulatory compliance, while the copper bus and five-jaw design deliver reliable, scalable metering as facilities grow. For project teams, this means faster installation, easier maintenance, and predictable performance in 120/240 VAC networks, with compatibility for three-phase in, single-phase out configurations.
Product Information
Extended Description
35MM240R1240C54 Eaton: Eaton 35MM commercial meter stack, Plug-in socket, 400A, Cu, Bus:1200A, Lever bypass, NEMA 3R, Depends on selected MCB, Five-jaw, Sockets:2, Three-phase in, single-phase out, A-B, 400A, K-frame included, Ringless, 120/240 Vac
Product Name
Eaton 35MM commercial meter stack
Catalog Number
35MM240R1240C54
UPC
786689166076
Product Length/Depth
66.625 in
Product Height
8.75 in
Product Width
19.375 in
Product Weight
320 lb
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
Number of jaws
Five-jaw
Number of sockets
2
Phase
Three-phase in, single-phase out
Amperage Rating
400A
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 35MM240R1240C54
Feature: Plug-in socket architecture with a five-jaw design and two sockets. Business Impact: Streamlines wiring, reduces installation time, and minimizes field errors. Application: Suits commercial meters that require reliable three-phase in, single-phase out metering, with a 400A rating and copper bus for scalable power distribution. Feature: NEMA 3R enclosure and UL Listed certification. Business Impact: Provides outdoor durability and regulatory compliance, enabling safe operation in varied environments. Application: Outdoor metering in weather-exposed spaces and in connector-friendly panels for 120/240 VAC networks. Feature: Exit options top, bottom, or back. Business Impact: Offers installation flexibility to fit dense or retrofits within existing plant layouts. Application: Retrofit or new construction in mechanical rooms and exterior enclosures. Feature: Ringless wiring design. Business Impact: Reduces termination time and wiring errors, lowering labor costs. Application: Fast commissioning in high-traffic facilities. Feature: Dimensions, weight, and mounting. Business Impact: Facilitates space planning and secure mounting with a 66.625 in length, 19.375 in width, 8.75 in height, and 320 lb weight, plus a K-frame. Application: Industrial and commercial feeders where space is at a premium. Feature: Electrical specs and compatibility. Business Impact: Delivers reliable metering for 120/240 VAC systems with three-phase in and single-phase out, supporting evolving load profiles. Application: Large commercial feeders and light industrial applications.
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FAQs
The 35MM240R1240C54 uses a plug-in socket design with a five-jaw configuration and two sockets, rated for 400A. It supports three-phase in and single-phase out on 120/240 VAC with a copper bus rated up to 1200A. For installation, confirm space for 66.625 in length and 19.375 in width, and use the included K-frame. Exits can be top, bottom, or back to fit room constraints.
Key specifications include a 400A amperage rating, five-jaw design, two sockets, three-phase in, single-phase out, 120/240 VAC, a NEMA 3R enclosure, and UL Listed certification. The device utilizes a 1200A copper bus with a ringless design to simplify wiring, while the dual sockets and five-jaw configuration support versatile metering for commercial feeders.
Yes. The Eaton 35MM240R1240C54 is designed for outdoor use thanks to its NEMA 3R enclosure and UL Listed components. For outdoor installations, follow the catalog notes regarding rainproof cap hubs and consider mounting in weather-protected enclosures where required. It supports reliable metering in exterior cabinets and mechanical spaces while maintaining safety and regulatory compliance.
This meter stack carries UL Listed certification and comes in a NEMA 3R enclosure, both of which support regulatory compliance and safe operation in varied environments. These certifications matter for building approvals, insurance considerations, and interoperability with other power distribution equipment, ensuring the solution meets common industry standards for commercial metering.
ROI is driven by faster commissioning, reduced wiring complexity, and lower maintenance costs. The plug-in sockets and ringless wiring cut installation time, while the rugged construction minimizes field failures in harsh environments. Over a project life, these factors translate to shorter downtime, predictable performance, and lower total cost of ownership for commercial metering deployments.