Eaton N48M28T3016CUSRTR-US Transformer - DOE2016 Efficient
Part Number: N48M28T3016CUSRTR-US
Quick Summary
Eaton N48M28T3016CUSRTR-US transformer delivers three-phase power isolation for industrial and commercial distribution. Engineers and procurement teams struggle with energy waste, space limitations, and complex compliance in mid-size substations. This model meets DOE2016 Efficient, UL Listed, and NEMA 3R protection, ensuring outdoor durability and safe operation. Designed to integrate with standard switchgear and control panels, it supports scalable installations while delivering lower lifecycle costs through improved efficiency. With copper windings and a CASE B frame, it offers robust thermal performance and straightforward maintenance. Coupled with 480 V delta primary and 208Y/120 V secondary, it simplifies wiring schemes and minimizes voltage drop across distribution networks.
Product Information
Extended Description
N48M28T3016CUSRTR-US Eaton: EATON K-FACTOR NONLINEAR VENTILATED TRANSFORMER DOE 2016, 60 HZ, 30KVA, 3PH, 480V DELTA, 208Y/120V, NEMA ST-20, 150°C RISE, NEMA 3R, CASE A, 220°C, 2 AT +2.5% FCAN, 4 AT -2.5% FCBN
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T3016CUSRTR-US
UPC
786689906382
Product Length/Depth
17 in
Product Height
32 in
Product Width
26.5 in
Product Weight
360 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 3R
Frame
CASE B
Insulation
220 °C
Tap size
2 AT +2.5% FCAN, 4 AT -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
30 kVA
Phase
Three-phase
Primary voltage
480 V delta
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
Temperature rise
150 °C rise
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Special features
MADE IN AMERICA CU SOUND & TEST REPORT
Feature: K-Factor nonlinear ventilated design. Business Impact: Improves efficiency and thermal stability under non-linear loading, reducing heat losses and cooling requirements. Application: ideal for facilities with harmonic-rich loads such as drives, welders, and CNC equipment. Feature: 60 Hz, 30 kVA, three-phase rating. Business Impact: Delivers reliable, scalable power for mid-size substations, enabling predictable performance and simplified protection coordination. Application: supports distribution to motors and control panels in manufacturing lines. Feature: Primary 480 V delta; Secondary 208Y/120 V. Business Impact: Enables straightforward integration with standard power shelves and switchgear while minimizing voltage drop in feeder runs. Application: control cabinets, machine tools, and light-to-medium industrial loads. Feature: NEMA 3R enclosure; CASE B frame; 150 °C rise; copper windings. Business Impact: Outdoor durability, robust thermal margin, and long service life with low maintenance. Application: outdoor substations and weather-exposed installations. Feature: DOE2016 Efficient; UL Listed; 10 CFR Part 431. Business Impact: Compliance with energy standards and safety requirements, reducing risk and retrofit costs. Application: facilities pursuing energy efficiency mandates and supplier audits. Feature: Tap changer 2 AT +2.5% FCAN, 4 AT -2.5% FCBN. Business Impact: Voltage regulation to accommodate supply variations; reduces equipment stress. Application: sites with fluctuating input voltages.
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FAQs
Mount the unit on a stable surface using the CASE B frame with adequate ventilation. Provide 480 V delta input connections and 208Y/120 V outputs to match your distribution panels. Ensure clearances per enclosure guidelines, typical 6 inches around, and verify taps 2 AT +2.5% FCAN or 4 AT -2.5% FCBN are set for site voltage. Confirm UL Listed labeling and maintain 150 °C rise capacity under expected loads.
K-Factor nonlinear ventilated design reduces losses under non-linear loading, improving overall efficiency and thermal management. This translates to lower cooling requirements and energy costs in devices with harmonic content. For a 30 kVA, 60 Hz, three-phase setup, you’ll see steadier voltage regulation and reduced temperature rise during peak demand, supporting longer transformer life.
Yes. The transformer uses a NEMA 3R enclosure and a CASE B frame, optimized for outdoor installations with weather resistance. With a 150 °C rise capability and copper windings, it maintains performance in diverse ambient conditions and supports reliable operation in substations, manufacturing yards, or rooftop distribution areas where weather exposure is a factor.
The N48M28T3016CUSRTR-US is DOE 2016 Efficient and UL Listed, aligning with energy and safety objectives. It also references 10 CFR Part 431 (2016 Efficient) for performance criteria and compliance. These certifications support regulatory audits, green-product sourcing, and reliability requirements for industrial facilities.
Copper windings and a robust 220 °C insulation system provide durability and long-term reliability with lower insulation degradation risk. The unit’s exterior is designed for minimal maintenance in outdoor environments, and UL/DOE certifications support ongoing compliance. The combination of efficiency and durable construction translates to lower total cost of ownership over a typical assets lifecycle.