Eaton N48M28T1516CUSRTR-US K-Factor nonlinear ventilated transformer - UL Listed
Part Number: N48M28T1516CUSRTR-US
Quick Summary
The Eaton N48M28T1516CUSRTR-US is a K-Factor nonlinear ventilated transformer for 3-phase industrial power distribution. This design helps address heat buildup and harmonic-related losses that challenge modern electrical systems. Certifications such as UL Listed, DOE2016 Efficient compliance, and a NEMA 3R enclosure ensure reliable performance in diverse environments. For engineers and procurement teams, the unit offers robust energy efficiency, proven durability, and straightforward integration with standard 480 V delta to 208Y/120 V secondary systems. In short, it combines advanced cooling, regulatory alignment, and practical installation benefits to support cost-effective power distribution in manufacturing, data centers, and heavy industrial facilities.
Product Information
Extended Description
N48M28T1516CUSRTR-US Eaton: EATON K-FACTOR NONLINEAR VENTILATED TRANSFORMER DOE 2016, 60 HZ, 15KVA, 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
N48M28T1516CUSRTR-US
UPC
786689906375
Product Length/Depth
14 in
Product Height
28 in
Product Width
21 in
Product Weight
270 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 3R
Frame
CASE A
Insulation
220 °C
Tap size
2 AT +2.5% FCAN, 4 AT -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
15 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 → Business Impact → Application: The K-Factor nonlinear design reduces localized overheating under distorted load conditions, which lowers maintenance cycles and extends transformer life in facilities with heavy motor loads and drives. This translates to lower total cost of ownership and improved uptime for critical processes. The ventilated cooling and NEMA 3R enclosure provide outdoor-ready protection and consistent performance in rooms with variable ambient temperatures, making installation simpler in warehouses and outdoor service bays. DOE 2016 Efficient compliance and UL Listed certification give you regulatory assurance and eligibility for energy audits, while supporting benchmarking in corporate sustainability programs. Copper windings with 220°C insulation and a 150°C rise spec deliver reliable performance under peak demand, reducing the risk of insulation breakdown in high-load events. The 15 kVA, 3-phase design with 480 V delta primary and 208Y/120 V secondary ensures compatibility with common industrial power architectures, simplifying procurement and reducing conversion costs. A CASE A frame and the compact 14 x 21 x 28 inch footprint, coupled with a 270 lb weight, enable straightforward installation in existing electrical rooms. Tap settings of 2 AT +2.5% FCAN and 4 AT -2.5% FCBN provide voltage regulation flexibility to maintain precise secondary voltages under load, supporting sensitive equipment and control systems. Special features such as “MADE IN AMERICA” copper windings and test reports reinforce product quality and traceability for compliance documentation. In practice, this transformer aligns with ongoing energy-efficiency initiatives while delivering dependable, code-compliant power to critical loads.
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FAQs
This transformer uses a CASE A frame with dimensions of 14 in depth, 28 in height, and 21 in width, weighing 270 lb. Plan for ventilation access, enough clearance for airflow, and a level mounting surface. The NEMA 3R enclosure supports indoor or outdoor installation, and the 480 V delta primary interfaces with standard 3‑phase supply layouts. Ensure compliant wiring methods and appropriate protective relays to handle secondary currents.
The unit is a 3‑phase, 15 kVA transformer with 60 Hz frequency. Primary voltage is 480 V delta, and secondary voltage is 208Y/120 V. Tap settings include 2 AT +2.5% FCAN and 4 AT -2.5% FCBN to adjust voltage under load. Winding material is copper with 220 °C insulation, supporting a 150 °C rise for short-term overloaded conditions.
Yes. The K-Factor nonlinear design specifically addresses harmonic currents, reducing excessive heating in transformers exposed to distorted loads. This makes it well-suited for facilities with drive systems, welders, and other nonlinear loads, helping maintain efficiency and prolong equipment life while meeting industry harmonic guidelines.
The transformer is UL Listed and DOE 2016 Efficient compliant, with catalog notes referencing 10 CFR Part 431 (2016) Efficient. It features a NEMA 3R enclosure for versatile installation and robust weather resistance. These certifications support regulatory auditing, energy-performance reporting, and safe operation in a variety of workplaces.
The combination of DOE 2016 efficiency, copper windings, and a 150 °C rise rating reduces heat losses and extends service life, lowering energy and maintenance costs over time. The 15 kVA rating aligns with mid-size loads, offering predictable performance for budgeted upgrades. The UL Listed and Made in America features simplify procurement, testing, and supplier qualification.