Eaton N48M31F7516CU Transformer - UL Listed
Part Number: N48M31F7516CU
Quick Summary
Eaton N48M31F7516CU general purpose ventilated transformer powers reliable low-voltage distribution in industrial facilities. Maintenance teams often battle energy waste, supply variability, and compliance deadlines that drive costs and downtime. This model meets DOE 2016 efficiency standards, is UL Listed, and complies with 10 CFR Part 431, helping you qualify for energy programs and regulator audits. With copper windings and a rugged NEMA 2 enclosure, it withstands dusty or mildly harsh environments while delivering predictable performance. The design aligns with standard 480 V to 220Y/127 V control circuits, supporting machine controllers, panels, and auxiliary systems. In short, it combines efficiency, safety, and ease of installation to support long-term operational value.
Product Information
Extended Description
N48M31F7516CU Eaton: Eaton Eaton DOE 2016 Efficient Transformer, 75 kVAK13, Ventd XFMR 3PH 480-220Y/127 115C rise, Copper windings
Product Name
Eaton General purpose ventilated transformer
Catalog Number
N48M31F7516CU
UPC
786680226816
Product Length/Depth
31.5 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1121 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.
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 2
Frame
943
Insulation
220 °C
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Wiring connection
283B
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Frequency rating
60 Hz
Kva Rating
75 kVA
Primary voltage
480 V
Secondary Voltage
220Y/127 V
Sound Level
NEMA ST-20
Temperature rise
115 °C rise
Volt ampere rating
75 kVA
Weathershield
WS60
Eaton's low-voltage dry-type distribution transformers
Eaton's low-voltage dry-type distribution transformers
Eaton Specification Sheet - N48M31F7516CU
Feature: DOE 2016 Efficient design and 75 kVA rating deliver measurable energy savings and regulatory alignment for industrial power distribution. Business Impact: Reduced operating costs and eligible energy program incentives through compliant performance. Application: Ideal for factory floors and process lines using 480 V mains feeding 220Y/127 V controls and panel boards. Feature: Copper windings and 220 °C insulation enhance thermal robustness and longevity. Business Impact: Lower winding losses and improved reliability in hot, demanding environments, extending service life and reducing maintenance intervals. Application: Continuous-duty service in manufacturing plants with elevated ambient temperatures. Feature: NEMA 2 enclosure with WS60 protection supports safe indoor and protected outdoor installations. Business Impact: Improved operator safety, easier installation, and reduced enclosure-related failures. Application: Machine rooms, utility rooms, and outdoor enclosures in moderate climates. Feature: Tap size options (2 at +2.5% FCAN, 4 at -2.5% FCBN) and wiring connection (283B) enable precise voltage regulation. Business Impact: Maintains output stability for sensitive control circuits, minimizing downtime from voltage drift. Application: Control panels and instrumentation that demand tight voltage control. Feature: Compliance and safety features including UL Listed and 10 CFR Part 431 compliance. Business Impact: Meets procurement and regulatory requirements, easing audits and certifications. Application: New facility upgrades and retrofits seeking proven DOE efficiency and safety standards. Feature: Physical footprint and compatibility with standard mounting and installation practices. Business Impact: Simplified siting in existing racks or standoffs, reduced installation time and costs. Application: System upgrades in medium to large-scale electrical rooms and distribution panels.
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FAQs
The N48M31F7516CU is designed for 480 V primary operation with a secondary of 220Y/127 V, at 60 Hz. It uses a standard wiring connection (283B) and accepts voltage taps at +2.5% and -2.5% to maintain regulated output in panel boards and control circuits. This simplifies retrofit projects and ensures compatibility with existing motor starters and control panels.
This transformer complies with DOE 2016 Efficient standards and 10 CFR Part 431, reflecting high energy performance. It is UL Listed, providing safety certification for electrical installations. These certifications support regulatory compliance, energy program eligibility, and procurement approvals in modern facilities.
Yes. With a 75 kVA rating, a 480 V primary and a 220Y/127 V secondary, this unit is ideal for powering control panels, motor starters, and auxiliary systems. The copper windings and robust insulation support reliable operation in demanding environments, while the voltage taps help maintain stable outputs for sensitive devices.
Safety and efficiency are covered by UL Listing, DOE 2016 Efficient, and 10 CFR Part 431 compliance. The NEMA 2 enclosure adds indoor/outdoor protection, and copper windings improve efficiency and thermal performance, contributing to safer operation and long-term energy savings.
Expect a one-year warranty from installation or 18 months from shipment, whichever occurs first. The transformer’s rugged construction, copper windings, and robust enclosure support long service life and predictable maintenance. Energy efficiency from the DOE standard reduces operating costs, while UL safety and regulatory compliance simplify procurement and audits.