Eaton 35MM240R1240C25 Meter Stack - UL Listed
Part Number: 35MM240R1240C25
Quick Summary
Eaton 35MM240R1240C25 meter stack provides plug-in metering for commercial and light industrial panels. This system simplifies installation by offering a ready-to-wire, plug-in socket solution that reduces field wiring errors and commissioning time. Engineers often struggle with outdoor readiness, top-, bottom-, or back-exit configurations, and meeting weatherproofing requirements while keeping access to metering points. This stack carries UL Listed certification and a NEMA 3R enclosure rating for reliable outdoor or damp locations, along with compatibility for 120/240V single-phase and 208Y/120V networks. By combining rugged construction with flexible feeder exit options, it delivers faster project execution, lowers maintenance costs, and ensures regulatory compliance in demanding environments.
Product Information
Extended Description
35MM240R1240C25 Eaton: Eaton 35MM commercial meter stack, Plug-in socket, 400A, Cu, Bus:1200A, Lever, NEMA 3R, Depends on selected MCB, Five-jaw, Sockets:2, Three-phase in, single-phase out, A-B, 400A, K-frame included, Ringless, Socket:400A, 120/240 Vac
Product Name
Eaton 35MM commercial meter stack
Catalog Number
35MM240R1240C25
UPC
786689165956
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 - 35MM240R1240C25
Feature: Plug-in socket design with a 400A rating and five-jaw connectors enables quick, secure connections. Business impact: reduces field wiring mistakes and commissioning time by enabling plug-in mating with matched MCBs and bus systems. Application: ideal for 3-phase commercial metering stacks in large electrical rooms where reliability and speed are critical. Feature: Two sockets support simultaneous metering paths and three-phase in, single-phase out configuration. Business impact: enables meter stacking for multiple load segments without reconfiguring feeders, supporting scalable panel designs. Application: suitable for commercial and light industrial installations needing flexible distribution and clear power metering separation. Feature: UL Listed certification and NEMA 3R enclosure rating. Business impact: ensures compliance with electrical codes and weather resistance for outdoor and damp locations, reducing project risk and inspection derails. Application: use in exterior entrances, weather-exposed panels, or rain-prone installations where dependable performance is non-negotiable. Feature: Flexible tenant feeder exit options (top, bottom, or back) with optional rainproof hubs. Business impact: simplifies site planning and reduces field modification, saving installation time and avoiding costly ad hoc adaptations. Application: aligns with diverse building architectures and rooftop or mall installations where space and routing vary. Feature: 120/240V single-phase and 208Y/120V network metering with 400A capacity; overall footprint accommodates demanding facilities. Business impact: supports high-current metering in mid-size facilities while providing a robust, durable solution for long-term service. Application: ideal for commercial metering in shopping centers, office complexes, or light industrial facilities.
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FAQs
Installation begins with confirming a 400A rating and the three-phase in, single-phase out configuration. Mount the unit on the panel interior using the included K-frame, connect the two plug-in sockets, and route feeders per the top, bottom, or back exit options. Ensure the enclosure is rated NEMA 3R for outdoor or damp locations and secure the ringless, five-jaw sockets to prevent loose connections. Finally, verify voltage compatibility with 120/240V single-phase or 208Y/120V networks and test the metering circuit for proper operation.
Key specs include a 400A amperage rating, plug-in socket with five-jaw design, two sockets, and three-phase in with single-phase out. It supports 120/240V operation and 208Y/120V networks, with a UL Listed certification and a NEMA 3R enclosure. The unit dimensions are approximately 66.625 inches long, 19.375 inches wide, and 8.75 inches high, with a weight around 320 pounds.
Yes. The meter stack is UL Listed and mounted in a NEMA 3R enclosure, designed for outdoor or damp locations. It offers exit options top, bottom, or back and supports rainproof hub configurations for weather exposure. This makes it a reliable choice for exterior electrical rooms, building facades, or rooftop panels where weather resistance is essential.
This unit carries UL Listed certification and a NEMA 3R enclosure rating, ensuring compliance with safety standards and protection against weather exposure. These certifications matter because they reduce inspection risk, support code-compliant installations, and provide confidence in long-term reliability for commercial metering in varied environments.
Investing in the 35MM240R1240C25 can yield faster project timelines through plug-in assembly, reduced field wiring, and quicker commissioning. The rugged UL Listed and NEMA 3R-rated design minimizes maintenance disruptions and protects against weather-related service interruptions, contributing to lower lifecycle costs over the equipment’s service life in mid-size commercial facilities.